Anya was rowing up the river and noticed it takes longer to row upstream than downstream. She knows that in still water she can row 9 mph. She timed herself rowing approximately 4 miles upstream and then back in 1.5 hours. She then calculated the current of the river.

Answer:

y=2.50(x)+20

Step-by-step explanation:

Answer:

y=2.50x+20

Step-by-step explanation:

dont forget the x

Two tiles will be left over. Jenny will have two square tiles left over after arranging her tiles into a rectangular array of four rows.

50 quare tiles divided by 4 rows = 12.5 quare tiles

12.5 quare tiles per row x 4 rows = 50 quare tiles

50 quare tiles used - 50 quare tiles = 0 quare tiles

Remaining tiles = 0 quare tiles

50 quare tiles - 0 quare tiles = 50 quare tiles

Left over tiles = 2 quare tiles

Jenny has 50 square tiles which she arranges into a rectangular array of four rows. To work out how many square tiles are left over, first divide 50 by 4. This gives us 12.5 tiles per row, however this is not possible so we need to round this number down to 12. Multiplying 12 by 4 gives us 48 tiles used in the rectangular array. Subtracting the 48 tiles used from the 50 tiles that Jenny had originally gives us a result of 2 square tiles left over. In conclusion, Jenny will have two square tiles left over after arranging her tiles into a rectangular array of four rows.

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Answer:

y > 4 is the solution of ordered pair in the inequality

this answer is helpful or not?

The equation can be described as a quadratic equation.

A quadratic equation is a second-order polynomial equation in a single variable x or any algebraic equation of highest degree. The standard form of the quadratic equation in variable is ax^2 + bx + c = 0 with a ≠ 0, where a and b are coefficients and constant. Since a quadratic equation is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has at least one solution. The solution may be real or complex.

In this case, we have given that:

y = t + 2

So, y – 2 = t

Now, substitute the value of t in the equation:

x = t^1/2

x = (y – 2) ^1/2

And, by squaring both sides we will get:

x^2 = y – 2

y = x^2 + 2

Hence, this is an example of quadratic equation.

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Answer:

D. Quadratic

Step-by-step explanation:

Took the test and it was the right answer. I'll put in answers for other questions in case you have them.

Don't worry you've got it, I believe in you :)

When the bundle contains 20% apples, A bundle of 30 fruits contains 6 apples and the remaining 20 are oranges.

In mathematics, a percentage is a number or ratio that is expressed as a fraction of 100. Occasionally, the acronyms "pct.," "pct," and "pc" are also used. But it is commonly indicated by the percent sign, "%." The % amount has no dimensions. Percentages are essentially fractions when the denominator is 100. Use the percent sign (%) to indicate that a number is a percentage by placing it next to it. For instance, you score a 75% if you properly answer 75 out of 100 questions on a test (75/100). Divide the money by the total and multiply the result by 100 to calculate percentages. The formula for calculating the percentage is (value/total) x 100%.

given

In a bundle  fruits of 30,apples are apples

percentage of apple = 6/30 *100

= 20 %

When the bundle contains 20% apples, A bundle of 30 fruits contains 6 apples and the remaining 20 are oranges.

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A quadratic inequality is an inequality that can be written in the form of "ax² + bx + c < or > 0" where a, b and c are real numbers and x is a variable.

The solutions to a quadratic inequality are the values of x that make the inequality true. To solve a quadratic inequality, we first set the expression equal to zero and then find the roots (also known as the zeroes or solutions) of the equation. We then use these roots to divide the number line into three regions: the region where the expression is less than zero, the region where the expression is greater than zero, and the region where the expression is equal to zero.

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Answer:

29,

Step-by-step explanation:

On solving the provided question, we can say that by permutation, 90  different 8-topping pizzas are possible

The permutation of a set in mathematics is essentially the rearranging of its elements if the set is already ordered, or the arrangement of its members in a linear or sequential order. The act of altering the linear order of an ordered set is referred to as a "permutation" in this context. The mathematical calculation of the number of possible arrangements for a given set is known as permutation. Permutation, in its simplest form, refers to the variety of possible arrangements or orders. The placement of the elements matters with permutations. The placement of items in a specific order is known as a permutation. Here, the set's components are sorted in either chronological order or linear order.

here,

by permutation

[tex]^{10}P_8[/tex] = 10!/2/1 = 10 X 9 / 1 = 90 ways

90  different 8-topping pizzas are possible

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The relationship between two values that are not equal is defined by inequalities. Inequality means not equal. Generally, if two values are not equal, we use “not equal symbol (≠)”.

Now, According to the question:

What is inequality?

A statement involving the symbols '>', '<', ' ≥', '≤' is called an inequality. For example 5 > 3, x ≤ 4, x + y ≥ 9.

(i) Inequalities which do not involve variables are called numerical inequalities. For example 3 < 8, 5 ≥ 2.

We use the equal sign "=" to say that two things are the same. However, sometimes we just want to show that something is bigger or smaller than something else. Or maybe we just want to say that two things are not equal. These cases are called inequalities.

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On solving the provided question, we can say option a) 5x+4 is the simplified form of the equation.

Equations in mathematics are logical statements with two algebraic expressions on either side of the equals (=) symbol. The equality of the expressions on the left and right in relation to one another is shown. LHS = RHS (left hand side = right hand side) is the first step in any mathematical equation. You can solve equations to determine a variable's or quantity's value. It is not an equation if the statement lacks the "equal to" sign. It will be thought of as a phrase. Later on in this essay, there will be an explanation of the distinctions between an expression and an equation.

Given:

=>(−3x − 12) + (16 + 8x)

=> -3x-12+16+8x

=> 5x+4

So 5x+4 is the simplified form of the equation

Therefore option a) 5x+4 is the simplified form of the equation

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To solve the equation add 3 to both sides using addition property of equality.

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Mathematical symbols can designate numbers (constants), variables, operations, functions, brackets, punctuation, and grouping to help determine order of operations and other aspects of logical syntax.

Given is the equation as -

x - 3 = 12

You should follow the given steps -

Action : Add 3 to both sides.

Property : Addition property of equality

Therefore, to solve the equation add 3 to both sides using addition property of equality.

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[tex]\frac{sqrt{5} }{3}[/tex]

Step-by-step explanation:

Its root 5 over 3

Answer:

--------------------------------------

If m° is one of the angles of a right triangle, the complementary angle is (90 - m)°.

We know that sine of the angle is same as the cosine of the complementary angle. It means:

Therefore the value of cos (90 - m)° is 2/3.

Answer:

36

Step-by-step explanation:

7/6 u=42

7u =42×6

u=252/7

u=36

The weight of the bag of pinto beans she bought is; 2.4 lbs

Algebraic word problems are defined as questions that require translating sentences to equations, after which we then solve those equations.

Now, we are told that;

Amount paid by Alicia for a bag of pinto = $1.32

Cost of beans = $0.55 per lb

Now, the weight of the bag of pinto beans that Alicia bought will be;

Weight = Amount paid/cost per lb

Weight = 1.32/0.55

Weight = 2.4 lbs

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Answer: 185 minutes

c is the correct option

Step-by-step explanation:

let x = number of minutes

0.46x = 85.10

x = 85.10/0.46 = 185 minutes

Answer:

185 minutes

Step-by-step explanation:

See the attached worksheet.  Note that there are no inequalites mentued in the problem.  That eliminates options 1 and 4.  Option 2 is set up correctly, except that the units are incorrect.  The unit for 0.46 is $/min, not just $.  The final unit should be minutes, not $.

Option 3 has the correct equation, and units.  Note how the word problem can be translated to an equation.  Start with setting up an equation, before mentally trying to answer the question.  An guess at the answer might be helpful, but work with the equation to insure the details are included.  A correct equation will allow proper unit cancellation, which will help verify that the answer is correct.  In this case we wanted an answer with just minutes.  Dividing $ by $/min reduces to only minutes  ($/$/min = min).

========

Making an estimate first is a good safeguard against mistakes.  We can mentally round up $0.46 to 50 cents/minute.  If the total bill is almost $90, we'd expect an answer around 180 minutes ((90/0.5).  We got 185, so we can feel comfortable that the problem was done correctly and quickly move on.

The total cost of one bandana is $0.60.

The theory used in this question is the multiplication principle, which states that when multiplying a number by a factor, the product will be equal to the number multiplied by the factor. In this case, the number is 0.5 yards of fabric, and the factor is 2, so the product is $1.20.

Step 1: Calculate the cost of 0.5 yards of fabric.

Step 2: Multiply the cost of 0.5 yards of fabric by 2, since you need 0.5 yards of fabric to make a banana.

Step 3: The total cost of one bandana is the cost of 0.5 yards of fabric multiplied by 2, which is $1.20.

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The equations with no solution system.

Equations are statements in mathematics that have two algebraic expressions on either side of the equals (=) sign.

It shows that the expressions printed on the left and right sides have an equal relationship.

In any mathematical equation, we have LHS = RHS (left hand side = right hand side).

Equations can be solved to find the value of an unknown variable that represents an unknown quantity.

An equation is a mathematical statement that contains the symbol "equal to" between two expressions with identical values.

Hence, The equations with no solution system.

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When 12 is subtracted from a number, the result is 5. What is the number?

Answer:

? - 12 = 5

? = 17

Step-by-step explanation:

You can just do:

12 + 5

= 17

Now you can see that it fits:

17 - 12 = 5

You're welcome

Answer:

(x - 8) (x + 4)

Step-by-step explanation:

x^2-4x-32

Consider the form x^2+bx+c. Find a pair of integers whose product is c

and whose sum is b. In this case, whose product is −32 and whose sum is −4.

-8,4

Write the factored form using these integers and we get the answer

(x - 8) (x + 4)

There are 62 medium-sized bowls and 88 small-sized bowls on the counter.

Calculate the total volume of the bowls on the counter, which is 764 oz.

Calculate the volume of one medium-sized bowl, which is 6 oz.

Calculate the total volume of the medium-sized bowls which would be 62 x 6 = 372 oz.

Calculate the volume of one small-sized bowl, which is 4 oz.

Calculate the total volume of the small-sized bowls which would be 764 - 372 = 392 oz.

Calculate the number of small-sized bowls which would be 392/4 = 88.

Calculate the number of medium-sized bowls which would be 372/6 = 62.

Therefore, there are 62 medium sized bowls and 88 small sized bowls on the counter.

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Answer: To solve this problem, we can use the law of cosines. The law of cosines is a useful tool for solving problems involving distances and angles between points in two-dimensional space. We can use the law of cosines to find the distance between the starting and ending point of the hike, and the bearing to get back to camp.

The law of cosines states that:

c^2 = a^2 + b^2 - 2ab * cos C

where c is the distance between the two points, a and b are the distances of the two legs of the hike, and C is the angle between them.

Using the given information, we can set a as the distance traveled at 3.5 miles per hour for 2 hours, which is 3.5 * 2 = 7 miles,

b as the distance traveled at 3.5 miles per hour for 4 hours which is 3.5 * 4 = 14 miles,

C as the angle between the two legs of the hike which is (72 + 23) = 95 degrees.

Now we can substitute this values into the law of cosines formula:

c^2 = 7^2 + 14^2 - 2(7)(14) * cos 95

Solving this equation will give us the square of the distance between the starting and ending point of the hike. To find the actual distance, we'll have to take the square root of that.

The distance directly back to camp is √(196 - 98*(√2/2)) = √(196 - 98*(√2/2)) ≈ 8.14 miles

To find the bearing to head back to camp, we must know that the bearing of a line is defined as the angle between the line and the North direction, measured clockwise.

We can use the bearing of N72°W and S23°W to find the back bearing to camp.

The back bearing is (180 + 72 + 23) = 275 degrees. The hikers should take a bearing of 275 degrees to head back to camp.

Step-by-step explanation:

Answer: Roots=-2, 0, 5

y-int=(0,0)

Step-by-step explanation:

5=-7/2x+12

-7=-7/2x

x=2

In an exponential expression, a base is a number that is raised to a certain power, represented by the exponent. The base can be any real number, while the exponent must be a positive integer.

Some key points to remember about the base and exponent in an exponential expression are:

For example, in the expression "2^3" (read as "2 raised to the power of 3"), the base is 2 and the exponent is 3. This means that 2 is being multiplied by itself 3 times (222 = 8). So the expression evaluates to 8.

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Biquadratic polynomials are defined as polynomials with a degree of 4. thus," Option B".

Polynomial

A polynomial is a type of fine equation that combines expounders, constants, and variables through addition, deduction, addition, and division.

Bi-quadratic Polynomial

Not original) An illustration of a polynomial statement that solely makes use of a variable's zeroth, second, and fourth powers is biquadratic( mathematics) x4 3x2 2. It's sometimes extended to any expression containing the biquadrate or fourth power when used in the form x4 4x3 3x2 x 1. ( but not advanced powers).

In general, a 0 is an a-quadratic polynomial in the equation g( x) = ax4 bx2 cx2.

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Answer:

Below

Step-by-step explanation:

For the Quadratic Equation   - 16t^2+ 60t + 80

   the max value will occur at   t = - b/2a =  -60 / (2 * -16) = 1.875 s

     use this value f t in the equation to find max height = 136.25 ft

For the function 4^x=(1/8)^(x+5), the value of x, using exponents' properties is obtained as option 2: x = -3.

What is an exponent?

The way of representing huge numbers in terms of powers is known as an exponent. Exponent, then, is the number of times a number has been multiplied by itself.

The given function is - 4^x=(1/8)^(x+5)

This function can be solved using the properties of exponents.

The first property of exponents is - (a^m)^n = a^(m·n)

The second property of exponents is - 1/(a^n) = a^-n

Simplify the left hand side of the function -

4^x = (2²)^x

Using the first property of exponents -

(2²)^x = 2^(2x)

Simplify the right hand side of the function -

(1/8)^(x+5) = (1/2^3)^(x+5)

Using the second property of exponents -

(1/2^3)^(x+5) = (2^-3)^(x+5)

Using the first property of exponents -

(2^-3)^(x+5) = 2^(-3x - 15)

The function then becomes -

2^(2x) = 2^(-3x - 15)

Since, the base is same they cancel out.

2x = -3x - 15

2x + 3x = -15

5x = -15

x = -3

Therefore, the value of x is obtained as x = -3.

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The value of m∠5 = m∠4 + 10° or  m∠3 + 20°.

The exterior angle of a polygon is the angle formed by one side of the polygon and the extension of the adjacent side. The measure of each exterior angle of a polygon is equal to the sum of the interior angles of the polygon divided by the number of sides of the polygon.

Solution:

The given value of m∠4 = m∠3+ 10°

The value of m∠5 is increase in 10° of m∠4

The answer is m∠5 = m∠4 + 10°.

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Tao rode his bike for 4 miles.

What are the speed, distance, and time?

Speed, distance, and time are related concepts in physics, and the relationship between them is often represented by the equation:

Speed = Distance/Time

To find out how many miles Tao rode his bike, you can use the formula:

distance = speed x time

In this case, the speed is 12 mph (miles per hour) and the time is 20 minutes. To convert the time to hours, you need to divide 20 minutes by 60 minutes (1 hour) which gives us 0.33 hours.

So,

distance = 12 mph x 0.33 hours = 4 miles

Hence, Tao rode his bike for 4 miles.

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Using the division method it is obtained that Moses is left with 2 dog treats after feeding the 4 dogs with 3 dog treats each.

What is division?

One of the four fundamental mathematical operations—the others being addition, subtraction, and multiplication—is division. Division is the process of dividing a larger group into smaller groups so that each group contains an equal number of things.

Number of dogs Moses volunteers with, x = 4

Number of dog treats Moses have, y = 14

Number of dog treats Moses gives to each dog = a

So, to find the value for a use the division method -

a = y/x

a = 14/4

a = 3(2/4)

Where, 3 is the quotient and 2 is the remainder.

Therefore, Moses gives each dog 3 treat and have 2 treats left.

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