Find the value of a−b/c−b if a=32, b=8, c=30. Write your answer as a simplified mixed number.

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Answer 1
Answer: 32−0.27−8=23.73 ..........

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a train traveled at an average speed of 45 miles per hour for 2 hours and 30 miles per hour for 3 hours. what is the total number of miles that the train traveled
Simplify 5t + (t - 3) - [(7t + 5) - (8 - 3t)].
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Can't figure this one out super confused please help!

Answers

i think the answer is C.

Cuboids A and B are similar.The volume of cuboid A is 500cm3.Calculate the volume of cuboid B. surface area of A is 15 cm and surface area of B is 27 cm.

Answers

If two cuboids are similar, it means they have the same shape but can be different in size. The ratio of the corresponding sides of similar objects is the same.

Let's denote the dimensions of cuboid A as follows:

Length of A: L_A

Width of A: W_A

Height of A: H_A

Let's denote the dimensions of cuboid B as follows:

Length of B: L_B

Width of B: W_B

Height of B: H_B

We know that the volume of a cuboid is given by:

Volume = Length × Width × Height

For cuboid A, we have:

Volume of A = L_A × W_A × H_A = 500 cm³

We're also given that the surface area of A is 15 cm². The formula for the surface area of a cuboid is:

Surface Area = 2(L × W + W × H + H × L)

So, for cuboid A:

2(L_A × W_A + W_A × H_A + H_A × L_A) = 15 cm²

Now, let's consider cuboid B. Since the cuboids are similar, their corresponding sides are proportional. Therefore, we can write:

(L_B / L_A) = (W_B / W_A) = (H_B / H_A)

Now, let's consider the surface area of cuboid B:

2(L_B × W_B + W_B × H_B + H_B × L_B) = 27 cm²

We have a system of equations to solve:

L_A × W_A × H_A = 500

2(L_A × W_A + W_A × H_A + H_A × L_A) = 15

2(L_B × W_B + W_B × H_B + H_B × L_B) = 27

L_B / L_A = W_B / W_A = H_B / H_A

We need to solve this system of equations to find the volume of cuboid B. Since the equations are somewhat complex, you may want to use a calculator or a symbolic math software to find the values of L_B, W_B, and H_B that satisfy all of these conditions. Once you have those values, you can calculate the volume of cuboid B using the formula for the volume.

Find the following when a = -1, b = 2, c = -1/4
(4b - 3)/(2a) -1

Answers

We substitute the given into the equation
given: a=-1, b=2, c=(-1)/(4)
=((4b-3)/(2a)-1
=(4(2)-3)/(2(-1))-1
=(8-3)/(-2)-1
=(5)/(-2)-1
to continue, we can either find a common denominator or change the fraction to decimal.
Fraction to Decimal:
(5)/(-2)=-2.5
Equation=-2.5-1=-3.5
OR Common Denominator:
=(5)/(-2)(-1)/(1)×(-2)/(-2)         (denominator should be -2=common)
=(5)/(-2)+(2)/(-2)
=(7)/(-2)
which also = to -3.5

What is the area of a square with sides of length 6?

Answers

Answer:

36

Step-by-step explanation:

6 squared

Answer:

A= 36

Step-by-step explanation:

The ground temperature at an airport is 13 °C. The temperature decreases by 7 °C for every increase of 1 kilometer above the ground. What is the temperature outside a plane flying at an altitude of 5 kilometers?The temperature outside a plane flying at an altitude of 5 kilometers is ____ c*?

Answers

I’m guessing it’s -22

What is the degree measure of a semicircle

Answers

A circle is 360 degrees.  Divide 360 by 2.

360 ÷ 2 = 180

The degree measure of a semicircle is 180 degrees.