Step-by-step explanation:
we need Pythagoras for right-angled triangles
c² = a² + b²
with c being the Hypotenuse (the side opposite of the 90° angle), a and b being the legs.
we also need to remember that the sum of all angles in a quadrilateral (4-sided shape) is 360°.
so, as 3 angles in the main quadrilateral are 90°, so is also the 4th angle. and that makes the quadrilateral a regular rectangle.
we know the length of the rectangle (15 ft).
the width is also the second leg of the attached right-angled triangle.
so, we know
13² = 5² + (leg2)²
169 = 25 + (leg2)²
144 = (leg2)²
leg2 = sqrt(144) = 12 ft
the total area is
the area of the rectangle
+
the area of the triangle
the area of the rectangle is
length × width = 15 × 12 = 180 ft²
the area of the right-angled triangle is
leg1 × leg2 / 2 = 5 × 12 / 2 = 5×6 = 30 ft²
the total area is
180 + 30 = 210 ft²
FYI - a different way is to directly calculate the area of the trapezoid :
(base1 + base2)×height/2
height = the width of the rectangle or leg2 of the right-angled triangle.
so, we have
(15 + (15 + 5))×12/2 = (15 + 20)×6 = 35×6 = 210 ft²
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided Write a list of steps that are needed to find the measure of ∠B
The measure of angle B in the given triangle is 41°
Calculating the measure of an angle in a triangleFrom the question, we are to calculate the measure of angle B.
From the exterior angle theorem of a triangle which states that if a side of a triangle is produced, then the exterior angle so formed is equal to the sum of the two interior opposite angles.
Then,
We can write that
∠B + 72° = 113°'
∠B = 113° - 72°
∠B = 41°
Hence, the measure is 41°
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How does the substitution method works for solving a two order system of equations?
The method of solving "by substitution" works by solving one of the equations for one of the variables, and then plugging this back into the other equation, "substituting" for the chosen variable and solving for the other. Then you back-solve for the first variable.
A quadratic equation is a second-order equation written as ax² + bx + c = 0 where a, b, and c are coefficients of real numbers and a ≠ 0.
To solve two order system of equations using substitution, follow these steps:
Step 1. Choose one equation and solve it for either of the one variables.
Step 2. In the other equation, substitute the value get from step 1.
Step 3. Solve the new equation.
Step 4. Substitute the value found into any equation involving both variables and solve for the other variable.
Step 5. Check the solution in both original equations.
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About 3/4 of a person's weight is water. If a student weighs 70 lb, how much of his weight is water?
Students have 52.5 lb. weight in water.
What is Multiplication?To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
We have to given that;
A student weighs = 70 lb.
And, About 3/4 of a person's weight is water.
Since, A student weighs = 70 lb.
Hence, Students weighs in water = 3/4 of 70 lb.
= 3/4 × 70
= 52.5 lb.
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is 60/77 and 17/6 Proportional
Constant Variance Definition
Constant variance, also known as homoscedasticity, is a statistical property where the variance of a variable is equal across all values of the variable.
This means that the variability of the variable is consistent, no matter what the value of the variable is. Mathematically, this is expressed by the formula:
Var(X) = σ^2
where Var(X) is the variance of the variable X, and σ^2 is the same across all values of X.
For example, if we look at the heights of a group of people, we may find that the variance of their heights is equal to 25 cm, no matter what the heights are. In this case, the variance of the heights is 25 cm, and this variance (25 cm) is the same for all the heights in the group.
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1
The graph shows an image of a dilation about the origin with a scale factor of 2.
-10-8-6-4-
2
40
1
What are the coordinates of the pre-image of A', point A?
(-8,-12)
01
8 10 X
As a result, the answer to the provided coordinate plane problem is only choice C), which is the right answer.
What is a coordinate plane?The term "coordinate plane" refers to a two-dimensional region that consists of two number lines. It emerges when the X-axis & Y-axis intersect at a location known as the origin. Using the numbers on a coordinate grid, one can locate points.
Here,
Since, If there is a coordinate plane with both parallel lines, go with option A.
Therefore, there is no cure.
There are hence a finite number of solutions that could be found.
If two lines cross, there is only one potential result for Option B. Consequently, the quantity of potential solutions is.
According to Option C, there must be an endless number of solutions to the system because there are two coinciding lines that provide us an infinite number of junction sites.
The difference between Option D) and Option B) is noted.
Only choice C) is hence the proper one.
Therefore , the solution to the given problem of coordinate plane comes out to be Only choice C) is hence the correct one.
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Is this correct? 4.8%=4.888%=488.8
The value of the expression of the percentage as the friend details is; 0.04888....... and as such the friend is not correct
How to find the percentage?Percentages are usually calculated by dividing the value by the total value, and then multiplying the result by 100. It is given by:
Percentage = (value / total value) * 100%
Now, we are given the number 4.8% with 8 having a bar over it.
A bar over a number is called vinculum and it means that the number is being repeated indefinitely after a decimal point.
This tells us that our given number can now be expressed as;
4.888.....%
This is because from the definition of vinculum , 8 is repeated indefinitely. Thus, this can be simplified as;
4.888...../100 = 0.04888.......
Thus, the friend is not correct in conclusion.
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What does the y-intercept of the line of best fit represent?
The y-intercept indicates the y-value when the x-value is 0.
What does the y-intercept look like?
When a linear equation is expressed in slope-intercept form (y=mx+b), the constant variable b stands in for the y-intercept. As an illustration, the variable b corresponds to the number 8 in the equation y=6x+8. The y-intercept is shown here.
In regression, what does the y-intercept stand for?
In regression analysis, the point at which the regression line crosses the y-axis is known as the constant term. The y-intercept is another name for the constant.
The easiest way to depict the overall picture of what the collected data is indicating is with a straight line, which is what a linear regression does. It aids in our ability to determine whether the two things under investigation are related or have a correlation.
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What are the 7 forms of gender inequality?
Gender inequality refers to the unequal distribution of rights, opportunities, and resources between individuals based on their gender. There are many forms of gender inequality, but some common ones include economic inequality, educational inequality, health inequality, political inequality, violence against women, social inequality and intersectionality.
Economic inequality: This refers to the unequal distribution of wealth, income, and resources between men and women. This can manifest in various forms, such as the gender pay gap and lack of representation in leadership positions.
Educational inequality: This refers to the unequal access to education and the resulting disparities in literacy rates and educational attainment between men and women.
Health inequality: This refers to the unequal access to healthcare and the resulting disparities in health outcomes between men and women.
Political inequality: This refers to the underrepresentation of women in politics and leadership positions, as well as the lack of policies and laws that promote gender equality.
Violence against women: This refers to the widespread problem of physical, sexual, and emotional abuse against women.
Social inequality: This refers to the unequal distribution of social status, power, and privilege between men and women, which can manifest in various forms of discrimination, prejudice, and bias.
Intersectionality: This refers to the ways in which gender inequality intersects with other forms of inequality, such as race, class, and sexuality, creating complex and interconnected forms of disadvantage for certain individuals and groups.
It's important to note that Gender inequality can manifest in various forms and it can have a significant impact on individuals and groups, leading to reduced opportunities, access to resources, and lower quality of life. Therefore, it's crucial to understand and address gender inequality in all its forms.
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the diameter of a wheel is 3 feet. what is the distance around the wheel
Answer: 9.42 Feet or 9 Feet 5.04 Inches
Step-by-step explanation: To solve for the circumference, the equation you must use is C = 2πr (Circumference = 2pi(3.14)radius(half of the diameter)).
X/3+10=15 what is x.
Answer:
15
Step-by-step explanation:
x/3+10=15
(x+30)/3=15
x+30=15×3
x+30=45
x=45-30
x=15
Answer:
First you need to put the variable, x, in a fraction
[tex]\frac{x}{3} + 10=15[/tex]
In this case, 10, is a positive integer, so because its a whole number, we put it with 15 on the other side of the equal sign. Then the +10 will become -10.
[tex]\frac{x}{3} =15-10[/tex]
Then its easier to calculate, 15 - 10 is 5.
[tex]\frac{x}{3} =5[/tex]
After that you put 5 over 1 and crisscross the equation.
[tex]\frac{x}{3} =\frac{5}{1}[/tex]
x times 1 is x itself, and 3 times 5 is 15
[tex]x=15[/tex]
So in the end x = 15
Have a wonderful day! :-)
Farmer Dubble started with 87 elentires on
his farm. Every month, he exploded 5 more
of them. Farmer Gespil started with 13
elentires on her farm. Every month, she got
8 more of them.
Write a system of equations, in
slope-intercept form, to model each
farmer's elentires (y) as months (x)
increase.
The equations in the slope intercept form are,
y = -5x + 87
y = 8x + 13
What is slope intercept form?
The equation of the line can be written in different ways. One of the methods of writing equations of a line is slope intercept form.
The line with m as the slope, and c as the y-intercept is the graph of the linear equation y = mx + c. This form of linear equation is known as slope intercept form. The values of m and c are real integers in the slope-intercept form of the linear equation.
The slope, m, is a measure of how steep a line is. A line's y-intercept, c, denotes the y-coordinate of the location where the line's graph crosses the y-axis.
For farmer Dubble,
Number of elentires in beginning c = 87
Number of elentires destroyed every month m = -5
Linear equation in slope intercept form
y = -5x + 87
For farmer Gespil,
Number of elentires in beginning c = 13
Number of elentires bought every month m = 8
Linear equation in slope intercept form
y = 8x + 13
Therefore the system of equations in slope intercept form are,
y = -5x + 87
y = 8x + 13
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A graphed line passes through the points (12, 5) and (12, 9) A graphed line passes through the points (12, 5) and (12, 9)
The line that passes through (12, 5) and (12, 9) is a vertical line, and its equation is:
x = 12
How to find the equation of the line?We know that we have a line that passes through points (12, 5) and (12, 9).
Notice that the x-value of the two points is the same one, then we will have a vertical line of the form:
x = a
The x-value in both points is 12, then the constant value of the line is 12, thus the equation for the line that passes through these two points is:
x = 12.
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does anyone know this question ?? please help
Answer:
Step-by-step explanation:
the 3rd
What is the new substitution rule?
The new substitution rule states teams will be able to make five substitutes instead of the traditional three during each match.
Teams have decided to allow more substitutions after voting in favor of the change. Teams will now be permitted to use five substitutions instead of the customary three throughout each game starting in the 2022/2023 season.
The primary motivation for this choice is to lessen the negative impacts of increased match intensity and fixture congestion, which are thought to have a direct influence on player health and well-being. Over time, it will become clear how an increase in substitutes would affect player health and happiness.
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this is the last question
The resulting quadrilateral have the following vertices: A'(x, y) = (- 1, 1.5), B'(x, y) = (- 0.5, 0.5), C'(x, y) = (1, - 0.5), D'(x, y) = (1, 1). (Correct choice: B)
How to find the coordinates of the vertices of a polygon by rigid transformation
Herein we have the case of a quadrilateral, that is, a polygon with four vertices: A(x, y) = (- 4, 6), B(x, y) = (- 2, 2), C(x, y) = (4, - 2), D(x, y) = (4, 4), whose image is the result of a dilation with a scale factor of 1 / 4 about the origin on Cartesian plane. The polygon is contracted by contracting each of five vertices, whose formula is shown below:
P'(x, y) = k · P(x, y)
Where:
P(x, y) - Original pointP'(x, y) - Imagek - Scale factorIf we know that k = 1 / 4, A(x, y) = (- 4, 6), B(x, y) = (- 2, 2), C(x, y) = (4, - 2) and D(x, y) = (4, 4), then the coordinates of the resulting polygon:
A'(x, y) = 0.25 · (- 4, 6)
A'(x, y) = (- 1, 1.5)
B'(x, y) = 0.25 · (- 2, 2)
B'(x, y) = (- 0.5, 0.5)
C'(x, y) = 0.25 · (4, - 2)
C'(x, y) = (1, - 0.5)
D'(x, y) = 0.25 · (4, 4)
D'(x, y) = (1, 1)
The vertices of the resulting quadrilateral are A'(x, y) = (- 1, 1.5), B'(x, y) = (- 0.5, 0.5), C'(x, y) = (1, - 0.5) and D'(x, y) = (1, 1).
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What is the exponential value of 3?
The exponential value of 3, also known as [tex]e^3[/tex] is the value of the mathematical constant e (approximately equal to 2.71828) raised to the power of 3.
To calculate [tex]e^3[/tex] , we would use the following formula:
[tex]e^3[/tex]= e x e x e = 2.71828 x 2.71828 x 2.71828 = 20.0855
So, the exponential value of 3 is approximately 20.0855.
It's important to note that the exponential value of any number is a real number, the value of e is raised to the power of that number. The mathematical constant e, also known as Euler's number, is an important number in mathematics and is used in various branches such as calculus, statistics and probability. It has also been used in physics and engineering, it appears naturally in many processes such as radioactive decay, natural growth and decay of populations, and more.
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Solve the inequality -1/2 > 3/5
To solve the inequality -1/2 > 3/5, we can start by multiplying both sides of the inequality by the least common multiple of the denominators, which is 10, to get rid of the fractions. This gives us:
-1/2 * 10 > 3/5 * 10
-5 > 6
This inequality is not true, since -5 is not greater than 6. So the solution set is the empty set, or { }.
Two bridges, A and B, run parallel to each other over a narrow river. Bridge A crosses the river at an exterior angle of (2x) . Bridge B crosses at angle of (4x-6). These two angles are supplementary.
What is the measure of the angle represented by the expression (4x-6)?
The measure of angle B crossing the river perpendicularly is 110°.
What are supplementary and complementary angles?When the sum of the two angles is 180° they are said to be supplementary.
When the sum of the two angles is 90° they are said to be complementary.
Given, Bridge A crosses the river at an exterior angle of (2x), Bridge B crosses at an angle of (4x-6) and these two angles are supplementary.
So, The sum of these two angles are 180°.
Therefore,
4x - 6 + 2x = 180°.
6x = 174°.
x = 174°/6.
x = 29°.
So, The measure of the angle B is (4(29) - 6)°.
= 116 - 6.
= 110°.
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Help with question A.
To do simple subtraction, use the - (minus sign) arithmetic operator.
How to get a proper Conclusion?6N + 10
---------- - 5 =
2
3N + 5 - 5
3N
so yes, you will always get triple the original number. or 3N.
A final step should be to divide the last difference by 3, which gets you
the original number back.
Two positive integers added together are always positive.
When two negative integers are added together, the result is always negative.
The result of subtracting two positive integers might be either positive or negative.
The result of subtracting two negative integers might be either positive or negative.
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Solve for x.
Enter your answer.
A square with side lengths 5 times x centimeters and diagonal length of 50 centimeters.
The value of x in the square is 5√2 centimetres.
How to find the side of a square?A square is a quadrilateral with 4 sides equal to each other. The square has side length 5 times x centimetres and the diagonal length is 50 centimetres.
Therefore, the side x can be found using Pythagoras's theorem as follows:
c² = a² + b²
where
c = hypotenusea and b are the other legsTherefore,
50² = (5x)² + (5x)²
2500 = 25x² + 25x²
2500 = 50x²
divide both sides by 50
x² = 2500 / 50
x² = 50
square root both sides of the equation
x = √50
x = √25 × 2
x = 5√2 centimetres
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please help me figure this out with an explanation thank you
The three numbers are: 23, 25, 27, The boy is 140 cm tall, the father is 140 + 30 = 170 cm, and the sister is 70 cm tall.
What is an equation?In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions.
The terms 3x + 5 and 14 are separated by the word "equal" in the equation 3x + 5 = 14. The three main formats for linear equations are the slope-intercept form, standard form, and point-slope form.
Two expressions are combined with an equal sign to form a mathematical statement known as an equation. An equation is, for instance, 3x - 5 = 16. It is possible to solve this equation, and the answer reveals that the value of the variable x is 7.
Let the the first number is : x
So, the other two numbers are :x+2, x+4
a) x+(x+2)+(x+4)=75
3x+6=75
3x=69
X=23
The three numbers are: 23, 25, 27
b)The sister's height is denoted as x. Two times, since the boy is twice as tall. His height is 2x + 30 because the father is 30 centimeters taller than the boy. The total height is 3.8 meters, or 380 centimeters. You can now create an equation.
x + 2x + 2x + 30 = 380
assemble similar terms
5x = 350
x = 70
The boy is 140 cm tall,
the father is 140 + 30 = 170 cm,
and the sister is 70 cm tall.
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Explain how solve 4x + 3 = 7 using the change of base formula log base b of y equals log y over log b. Include the solution for x in your answer. Round your answer to the nearest thousandth. 15 PTS!!!
The solution for 4ˣ⁺³ = 7 using change of base formula is -1.596
How to solve 4ˣ⁺³ = 7 using the change of base formula log base b of y equals log y over log b?To solve 4ˣ⁺³ = 7 using change of base formula log base b of y equals log y over log b, we are going to use logarithm rules.
If f(x) = g(x), then ln(f(x)) = ln(g(x)). Thus,
ln( 4ˣ⁺³) = ln(7)
Using log rule:
[tex]\log _{a} x^{b} = b \log _{a}(x)[/tex]
ln (4ˣ⁺³) = ln(7)
(x+3) · ln(4) = ln(7)
(x+3) · ln(2²) = ln(7)
(x+3) · 2ln(2) = ln(7)
x+3 = ln(7) / (2ln(2))
x = [ln(7) / (2· ln(2))] - 3
x = -1.596
Thus, the solution is x = -1.596
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Answer:
Did he round up?
Step-by-step explanation:
Your friend Tammy just got a part-time job so she can afford to attend a school trip abroad later this school year. Tammy gets a paycheck on the 1st of every month, and a cash payment is due to the International Club advisor by the 3rd of every month with no exceptions. More than one late payment results in being removed from the trip. What recommendation do you have for Tammy?
I recommend that Tammy create a budget to keep track of her income and expenses. She should also set up automatic payments for her International Club advisor so she doesn't miss any payments. Additionally, Tammy should create a savings plan for the trip to make sure she has enough money for it. Finally, she should start the habit of setting aside money from each paycheck for the trip, so she has a consistent source of funds when she needs them.
Find the range for the measure of the third side of a triangle when the measures of the other two sides are 13 in. And 27 in.
Answer: The measure of the third side of a triangle, when the measures of the other two sides are 13 in and 27 in, must be greater than the difference between the measures of the other two sides (which is 27 in - 13 in = 14 in) and less than the sum of the measures of the other two sides (which is 27 in + 13 in = 40 in).
This is because according to the triangle inequality theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. So the measure of the third side must be between the difference of the two given sides and the sum of the two given sides.
Therefore the range of the measure of the third side of a triangle with side lengths 13 in and 27 in is:
(14 in < x < 40 in)
or
[x > 14 in and x < 40 in].
It is also important to note that any value of x within this range will produce a valid triangle, however any value less than 14 in or greater than 40 in will not.
Step-by-step explanation:
Jim began a 167-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so he finished the trip walking. The whole trip took 6 hours. If Jim walks at a rate of 4 miles per hour and rides at 30 miles per hour, find the amount of time he spent on the bicycle.
The amount of time he spent on the bicycle is 5.5 hours.
How to find the amount of time he spent on the bicycle?Jim began a 167-mile bicycle trip to build up stamina for a triathlete competition. Unfortunately, his bicycle chain broke, so he finished the trip walking.
The whole trip took 6 hours. Jim walks at a rate of 4 miles per hour and rides at 30 miles per hour.
The amount of time he spent on the bicycle can be calculated as follows;
speed = distance / time
distance = speed × time
Therefore, total distance is as follows:
let
x = time spent walking
167 = 4x + 30(6 - x)
167 = 4x + 180 - 30x
167 = -26x + 180
167 - 180 = -26x
x = -13 / -26
x = 1 / 2
Time spent on bicycle = 6 - 0.5 = 5.5 hours.
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PLEASE HELP! the graph of y=x^3… (picture provided)
Answer:
Step-by-step explanation:
second one
Which of the following is a solution of the linear equation 2x 3y 5?
Step-by-step explanation:
Solution
The correct option is A Yes, it is.
Given Line:
2
x
+
3
y
=
5
Standard Line :
a
x
+
b
y
=
c
Given line has two variables
x
and
y
where both
x
and
y
have power of
1
similar to standard form of line. So,
2×+3y=5 is a line in two variables.
Anyone who genius math? Help me, ty
Answer:
B) -3
Step-by-step explanation:
(y - y₁) / (x - x₁) = slope
(8-2) / (m-5) = -3/4
cross-multiply to get:
-3(m-5) = 24
distribute -3 to get:
-3m + 15 = 24
subtract 15 from each side to get:
-3m = 9
m = -3
A tool box is a rectangular solid with sides of 19 in. , 12 in. , and 9 in. What is its volume? 4,104 1,026 2,052 80.
The volume of a rectangular solid tool box would be 2,052 cubic inches.
Rectangular solids are three-dimensional shapes with six equal rectangles for sides. To find the volume of the rectangular solid tool box, we can use this following formula:
Volume = length x breadth x height
In this case, we are given that:
The length of the tool box = 19 in
The breadth of the tool box= 12 in
The height of the tool box= 9 in
We can find the volume by using the formula above:
Volume = 19 in x 12 in x 9 in
Volume = 2052 in³
As the result, the volume of the rectangular tool box would be 2052 cubic inches.
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