Answer:
Between 5 and 5 1/2 inches
Step-by-step explanation:
The scores of 10 students on a history test are 85, 79, 65, 72, 86, 66, 90, 98, 78, and 76. Which box plot represents the given data?.
The box will start at 72 and end at 86. At 78.5, a vertical line will be drawn through the box. Arrows will appear at both ends of the box. The one on the left will come to a halt at 65 miles per hour, while the one on the right will come to a halt at 98 miles per hour.
What is box plot?A box plot, often known as a boxplot, is a method in descriptive statistics for graphically displaying the localization, spread, and skewness groups of numerical data through their quartiles. A box plot is a graphical representation of statistical data that uses the lowest, first quartile, median, third quartile, and maximum values. The name "box plot" refers to how the graph resembles a rectangle with lines extending from the top and bottom. Box and whisker plots, often known as box plots, are an excellent graphic for displaying the distribution of data points over a specified metric. These graphs show ranges within variables that have been measured. Outliers, the median, the mean, and where the majority of the data points fall inside the "box" are all included.
Here,
65, 66, 72, 76, 78, 79, 85, 86, 90, 98
Q1 = 72
(78 + 79) / 2 = 78.5 Q2 (median)
Q3 = 86
min = 65
max = 98
So the box plot will look like this:
The box will begin at 72 and conclude at 86. At 78.5, a line will be drawn vertically through the box. Arrows will emerge from both ends of the box. The one on the left will come to a stop at 65, while the one on the right will come to a rest at 98.
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Determine the equation of a straight line passing through (-1,3) and parallel to the line whose equation is 3x-5y=10.
Answer:
3x - 5y = - 18
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
3x - 5y = 10 ( subtract 3x from both sides )
- 5y = - 3x + 10 ( divide through by - 5 )
y = [tex]\frac{3}{5}[/tex] x - 2 ← in slope- intercept form
with slope m = [tex]\frac{3}{5}[/tex]
• Parallel lines have equal slopes , then
y = [tex]\frac{3}{5}[/tex] x + c ← is the partial equation of the parallel line
to find c substitute (- 1, 3 ) into the partial equation
3 = - [tex]\frac{3}{5}[/tex] + c ⇒ c = 3 + [tex]\frac{3}{5}[/tex] = [tex]\frac{18}{5}[/tex]
y = [tex]\frac{3}{5}[/tex] x + [tex]\frac{18}{5}[/tex] ← equation of parallel line in slope- intercept form
multiply through by 5 to clear the fractions
5y = 3x + 18 ( subtract 5y from both sides )
0 = 3x - 5y + 18 ( subtract 18 from both sides )
- 18 = 3x - 5y , that is
3x - 5y = - 18 ← in standard form
Jean sold 32 boxes of
cookies. If this is 40% of
her goal how many boxes
does Jean want to sell?
Answer:
80 boxes of cookies
Step-by-step explanation:
First, we have to find 1% by taking
32 divided by 40 = 0.8
Then we take it times 100%
0.8 x 100 = 80 boxes of cookies
Jean want to sell 80 boxes of cookies
HELP PLEASE
Solve the right triangle if the hypotenuse is 5 and one acute angle is 34°. Round answers to two decimal places.
Given that the hypotenuse of the right triangle is as given then;
i. α = 56^o
ii. Adjacent = 2.80
iii. Opposite = 4.15
Properties of a right angled triangle.A right triangle is a type of triangle which has only one of its internal angles equal to 90^o. Thus the hypotenuse is opposite to the greatest angle, while the second long side is opposite to the greater angle, and the shortest side opposite to the measure of the least angle.
Applying the Pythagorean theorem to the triangle, we have;
i. The sum of angles in a triangle is 180^o. So that;
α + 34 + 90 = 180
α + 124 = 180
α = 56^o
ii. Let the length of the opposite side be represented by y;
Sin θ = opposite/ hypotenuse
Sin 34 = y/ 5
y = 5 * Sin 34
= 2.796
The length of its opposite side is 2.80.
iii. Let the length of the adjacent side be represented by x;
Cos θ = adjacent/ hypotenuse
Cos 34 = x/ hypotenuse
= x/ 5
x = 5 * Cos 34
= 4.145
The length of its adjacent side is 4.15.
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Need help on the question
Evaluate. 12/3+3/4÷(−1/3)−1/2
The fraction 12/3+3/4÷(−1/3)−1/2is evaluated to give -114/10
What is a fraction?A fraction can be defined as part of a whole element, variable or number
The several types of fractions in mathematics are;
Mixed fractionsProper fractionsImproper fractionsSimple fractionsComplex fractionsFrom the information, we have that;
12/3+3/4÷(−1/3)−1/2
The fraction given is a mixture of proper fractions and improper fractions
Expand the bracket, we get;
12/3 + 3/4 ÷ -1/3 -1/2
Find the lowest common denominator
48 + 9 /12 ÷ -2 - 3 /6
Add the numerators
57/12 ÷ -5/6
Take the inverse of the divisor and multiply
57/12 × 6/-5
-114/10
Hence, the value evaluated from the fraction is -114/10
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Which of the diagrams A-D shows the locus of points inside the rectangle PQRS that are 5 m away from the edge QR? A с S P₁ S 5m 5m E 1Q R 7Q R B P S P₁ S 5m 5m 1Q R 1Q R
The correct answer is B.
What are the two types of longitude?
The two types of longitude are the Prime Meridian and the International Date Line.
The Prime Meridian is the imaginary line of 0° longitude that divides the earth into the Eastern and Western hemispheres. It passes through Greenwich, England and is the reference point for all other longitudes on the Earth’s surface.
The International Date Line is an imaginary line located on the opposite side of the Earth from the Prime Meridian at 180° longitude. It is the reference point from which we measure the date change when traveling from one side of the world to the other.
The calculation for longitude is fairly simple. Longitude is measured in degrees, with a full circle being 360°. Each degree can be divided into 60 minutes and each minute into 60 seconds. To calculate the longitude, the degree and minutes are added together and converted into decimal form. For example, if a point has a longitude of 15° 22’ 30”, the calculation would be 15 + (22/60) + (30/3600) = 15.375°.
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How do you find the exterior angle of a triangle Class 7?
A triangle's exterior angle is the product of its interior opposing angles.
Exterior angles are those that run parallel to a polygon's exterior angles but are located outside of it. The sum of the two internal opposed angles determines the size of an outside angle.
At each vertex, there are two equivalent exterior angles.
Each vertex often only shows one external angle, though.
A triangle's exterior angles have these three essential qualities:
(1) A triangle's corresponding and exterior angles pair together to form a linear pair of angles. The inner and exterior angles therefore total up to 180 degrees.
(2) The size of a triangle's external angle is equal to the sum of its two diametrically opposed internal angles. The exterior angle theorem is another name for this property.
(3) A triangle's outside angles add up to a total of 360.
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A factory makes 718 toy trains in one day. The toy trains are placed in boxes of 30
Answer:
23.9
Step-by-step explanation:
Subtract. Simplify your answer
(-8k^2-6)-(6k^2-5k)
Answer:
-14[tex]k^{2}[/tex] + 5k -6
Step-by-step explanation:
(-8[tex]k^{2}[/tex] -6) - (6[tex]k^{2}[/tex] - 5k) Distribute the negative sign
-8[tex]k^{2}[/tex] - 6 -6[tex]k^{2}[/tex] + 5k Combine like terms
-14[tex]k^{2}[/tex] + 5k -6
Answer: -14k^2+15k-6
Step-by-step explanation:
(-8k^2-6)-(6k^2-5k)
-8k^2-6-6k^2+5k
-14k^2-6+5k
-14k^2+15k-6
Reflection: State if the figure has a reflection that carries onto itself. If so state how many lines of symmetry the figure has.
This refers to objects that can be divided into two identical halves. The line that divides the object into its identical halves is known as the line of symmetry.
Line of symmetry is of three types: vertical symmetry, horizontal symmetry, and diagonal symmetry.
Irregular shapes have no equal sides. Thus, they can not be split into two identical halves.
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What is called as factor of polynomial?
Therefore , the leading term 1 and constant 0 in the above function make it a polynomial function.
A polynomial function is what?A polynomial function can be defined in an equation that uses only real number exponents or non-negative integer powers of a variable. Examples of such equations include cubic and quadratic equations. The exponent of the polynomial 2x+5 is 1, for instance.
Here,
For the following polynomial function, exponents all positive integers in this case.
Exponent 1 applies to the positive number 2x.
, 1 where is an integer with positive exponent and and.
Among the coefficients of the function are real values like 5 and 1.
Thus, a polynomial characterizes the function.
It is a polynomials with a degree of five.
When writing a polynomial in standard form, the word with the largest exponent is used as the starting point, and the other terms are written in order of importance of expressions with lesser exponents.
The polynomial is expressed in standard form as f(x)=2x+1.
containing the leading word 1, the constant 0, and
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eliminate the parameter t to find a Cartesian equation for:
x=t2
y=2+3t
x=Ay2+By+C
Where A=________ B=__________ and C=________
Cartesian equation for x=t2,y=2+3t, x=Ay2+By+C, Where
A=1, B=0, and C=0
To eliminate the parameter t and find a Cartesian equation for the given equation, we need to solve for t in terms of x and substitute it into the equation for y.
We start by solving for t in terms of x:
t = √x
Now, we substitute this into the equation for y:
y = 2 + 3√x
Therefore, the equation for x and y becomes:
x = x
y = 2 + 3√x
Which can be represented as a Cartesian equation:
Ay2 + By + C = 0
where A=1, B=0, and C=0.
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- x/7 − 8 = 17
Show work
And check
Answer:
x = -175
Step-by-step explanation:
Given:
⇒ [tex]-\frac{x}{7}-8=17[/tex]
Solution:
Work:
[tex]-\frac{x}{7}-8=17[/tex]
[tex]-\frac{x}{7}-8+8=17+8[/tex] ⇒ Add 8 to both sides
[tex]-\frac{x}{7}=25[/tex]
[tex]7\left(-\frac{x}{7}\right)=25\cdot \:7[/tex] ⇒ Multiply both sides by 7
-x = 175
[tex]\frac{-x}{-1}=\frac{175}{-1}[/tex] ⇒ Divide both sides by -1
x = -175
Check:
Since, x = -175. We can substitute into the equation to check.
[tex]-\frac{-175}{7}-8=17[/tex]
[tex]-\frac{-175}{7}=25[/tex]
[tex]25-8=17[/tex] ⇒ Statement = True (25 minus 8 is 17.
Hence, x = -175
Lenvy~
15.
Marco is making blueberry muffins. The ratio between flour and blueberries for the recipe being used is shown in the table below.
Cups of Cups of
Flour Blueberries
1-2
24
A.Ocup
2
8
How many cups of blueberries will Marco need if he has 2 cups of flour to use?
B.
cup
D
1
2
3
4
1
c. 11 cups
6 cups
Therefore , the magical ratio for muffins is therefore 2:2:1:1, which is the answer to the ratio problem that was provided.
What is a ratio?An ordered combination of numbers “ a ” and “ b that is stated as just a / b, where b not greater than zero, is referred to as a ratio. A ratio is the result of equating two ratios. If there were one boy and three girls, the ratio could be shown as 1:3. 1/4 are boys, and 3/4 are girls. A part is a number, a proportion of size, or a difference among two or more things.
Here,
Since: Marco To avoid your batter and bakery items acquiring a purple-blue tinge, wash freeze blueberries multiple times in water it until water becomes lighter in color.
The magic muffin ratio is 2:2:1:1, which equals 1-two cups and 2,8 cups.
With a paper towel, dry them off, and then delicately fold it into the batter. Maintaining the lightness of rapid breads is the aim of this process.
The magical ratio for muffins is therefore 2:2:1:1, which is the answer to the ratio problem that was provided.
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How do I Create a table in form?
Therefore , the solution of the given problem of table comes out to be we can create a table in form by following below steps.
Explain a table.A mathematical list is a list of numbers that represents the results of a calculation with several inputs. organized in rows and columns, data consists of numbers and descriptions. It is simple to recall the table and the 10 pattern. 3, 6, 9, 12, 15, 18, 21, 24, 27, and 30 are the numerals in numerical order. Value mapping are used to illustrate the connections between various data elements.
Here,
Import the layout table by moving the pointer to the desired location on the form template.
Click Insert, followed by Layout Table, in the Tables toolbar.
The number of rows and rows to be included in the table should be entered with in Insert Table dialog box.
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Algebra 2, I remember doing this but i’m confused bc I remember like (f)g)(x) something like that so do I multiply or what?
If the function g(t) is -4t + 5 then (g o g)(t) will be 16t - 15.
What is a function?A function from a set X to a set Y assigns exactly one element of Y to each element of X. The set X is known as the function's domain, and the set Y is known as the function's codomain. Originally, functions were the idealization of how a varying quantity depends on another quantity.f(g(x)) means so wherever there is an x in the function f, the function g(x) is substituted.Here given function,
g(t) = -4t + 5
We have to find (g o g) (t)
(g o g)(t) = g(g(t))
= g(-4t + 5)
= -4(-4t + 5)+ 5
= 16t -20 +5
= 16t - 15
Therefore the function (g o g)(t) is 16t - 15.
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How many pairs in a set?
If the Set A is denoted by the set of elements {1,2,3} , then the number of ordered pairs that it can have is 9 .
The Ordered Pair is defined as a pair formed by two elements which are separated by comma and written inside the parentheses .
For Example : the (x,y) represents a ordered pair .
The Ordered Pairs can be obtained by developing a function or by performing the operation which is called as Cartesian product.
The set A is given as : {1,2,3} ;
the ordered pair can be written as : [tex](1,1) , (2,2), (3,3) , (1,2) , (1,3) , (2,1) , (2,3) , (3,1) , (3,2) .[/tex]
Therefore , The number of ordered pairs formed of Set A are 9 .
The given question is incomplete , the complete question is
How many ordered pairs can be formed from the set A = {1,2,3} ?
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∣x−7∣=∣2x−8∣ (there are 2 solutions for the positive one and the negative)
Answer:
x = 1, x = 5
Step-by-step explanation:
|x−7|=|2x−8| ==> there are 2 ways to simplify this equation:
1. x - 7 = 2x - 8
2. -(x - 7) = 2x - 8
Let's first solve equation 1:
x - 7 = 2x - 8
-7 = x - 8 ==> subtract x on both sides
x - 8 + 8 = -7 + 8 ==> add 8 on both sides
x = 1 ==> simplify
Now let's solve equation 2:
-(x - 7) = 2x - 8
-x - (-7) = 2x - 8 ==> distribute the negative sign to x and -7
-x + 7 = 2x - 8 ==> subtracting a negative number is equivalent to adding a
positive number
7 = 3x - 8 ==> add x on both sides
15 = 3x ==> add 8 on both sides
x = 5 ==> divide 3 on both sides
Hence, the answers are x = 1 and x = 5.
Need help on this one
100 POINTS! PLEASE HELP
Given that one of the factors is (x-5), which graph represents the polynomial function?
y=-x^4 +6x^3 +11x^2 -60x -100
The graph on the bottom left represents the polynomial function
y = -x⁴ + 6x³ + 11x² - 60x - 100.
What is graph?In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way.
The relationships between two or more items are frequently represented by the points on a graph.
Given:
An equation,
y = -x⁴ + 6x³ + 11x² - 60x - 100.
And one of the factors of the equation is (x-5).
That means, x = 5 is one of the roots of the equation.
From the given graphs,
we can eliminate top left graph and bottom right graph.
Because, the graphs of the equation do not touch the x-axis at x = 5.
Let x = -2,
Then,
y = -(-2)⁴ + 6(-2)³ + 11(-2)² - 60(-2) - 100.
y = -16 -48 + 44 + 120 - 100
y = 0
That means,
x = -2 is one of the roots of the equation.
And the graph is given in the attached image.
And the graph is the bottom left graph.
Therefore, the graph in the bottom left is the required graph.
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A rectangle has a width of 15 cm and a length of 25 cm. What is the perimeter of the rectangle?
A. 50 cm
B. 75 cm
C. 100 cm
D. 125 cm
Answer:
The perimeter of a rectangle is the total distance around the outside of the rectangle. To find the perimeter of a rectangle, you add the lengths of all four sides.
In this case, the width of the rectangle is 15 cm and the length is 25 cm. To find the perimeter, we add the lengths of all four sides, which are:
15 cm + 15 cm + 25 cm + 25 cm = 75 cm
Therefore, the perimeter of the rectangle is 75 cm. The answer is B. 75 cm.
Step-by-step explanation:
What are the first five multiples 8?
Answer:
Step-by-step explanation:
The multiples of 8 are 8, 16, 24, 32, 40, 48, 56, 64, 72, 80… and so on.
2y = 6x + 4
y = -2x + 2
find x and y
The value of x is 0.
The value of y is 2.
What is an equation?An equation is a mathematical statement that is made up of two expressions connected by an equal sign.
Example:
2x + 3 = 9 is an equation.
We have,
2y = 6x + 4 _____(1)
y = -2x + 2 ______(2)
Substituting (2) in (1).
2 (-2x + 2) = 6x + 4
-4x + 4 = 6x + 4
4 - 4 = 6x + 4x
10x = 0
x = 0
Now,
x = 0 in (2)
y = -2 x 0 + 2
y = 0 + 2
y = 2
Thus,
The value of x and y is 0 and 2.
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What are the 5 steps to solving inequalities?
The five steps to solving inequalities are:
Isolate the inequality symbol by using inverse operations. Simplify the inequality by combining like terms on either side of the inequality. Graph the inequality on a number line. Make a sign analysis of the inequality by determining the sign of the expression on either side of the inequality. Find the solution set of the inequality by identifying the values that make the inequality true.To solve an inequality, one must isolate the inequality symbol, simplify the inequality, graph the inequality on a number line, make a sign analysis of the inequality, and find the solution set of the inequality.
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Evaluate the expression when a=−15
and b=−5
a/b
Answer: 3
Step-by-step explanation:
Please help me with this problem
The variable for the number of wraps and the number of gift bags are x and y.
What are linear and non-linear functions?A linear function can be used to depict a straight line on the coordinate plane. The equation y = 3x - 2 serves as an illustration of a linear function since it represents a straight line in the coordinate plane.
Nonlinear functions are those whose graphs do not follow a straight line. A graph of it can be any curve other than a straight line.
A quadratic function is an illustration of a non-linear function.
Let, The number of wraps be 'x' and the number of gift bags be 'y'.
Therefore, From the given information x + y = 25 and 6x + 2y = 110.
Solving this linear system graphically we have an intersection (x, y)
at (15, 10).
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Solve For Each Variable 17n+8=104+5n
The solution of the expression 17n + 8 = 104 + 5n for the variable n is given as follows:
n = 8.
How to solve the expression?The expression for this problem is defined as follows:
17n + 8 = 104 + 5n
Combining the like terms, the expression is given as follows:
17n - 5n = 104 - 8.
12n = 96.
The inverse operation of the multiplication is the division, hence the value of n is obtained as follows:
n = 96/12
n = 8.
Which is the solution of the expression for the variable n.
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Find the measure of each unknown angle. (all question) please explain how to solve these questions!
Therefore , the solution of the given problem of triangle comes out to be angle is 58° is third angle.
What precisely is a triangle?Since a triangle has four or even more sections, it is a polygon. It has an easy geometric form. Triangle ABC refers to a square with edges A, B, and C. A single plane or square are produced by Euclidean geometry when the edges are not collinear. A triangle is a polygon if it has three sides & three corners. Where a triangle's three sides come together are known as the corners. A triangle's angles add up to 180 degrees.
Here,
Given :
A triangle has given angles ,
To find the angle :
=> x + 98° + 24° = 180°
=> x = 180° - 122°
=> x = 58°
Thus , angle is 58° .
Therefore , the solution of the given problem of triangle comes out to be angle is 58° is third angle.
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