3 years ago

I NEED HELP ASAP PLEASE SOMEONE !!!!! 20 POINTSDetermine if the two figures are congruent and explain your answer.

1 answer:

3 0

I got a cookie error.

Congruent is if it has the same shape and the same size as the other. It is similar if it has the same shape but different size.

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The classes at the middle school want to raise money. The sixth grade runs a bake sale for 55 hours and makes $170$170. The seve

kvv77 [185]

The sixth grade makes 3.09 per hour

The seventh graders make 2.54 per hour

the eighth graders make 2.90 per hour

So the sixth graders make the most per hour. you can check this answer by taking the amount of money made and divide it by the time that it takes to raise the total amount of money raised by each class of students.

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4 years ago

Find a formula for the described function. An open rectangular box with volume 3 m3 has a square base. Express the surface area

Alex73 [517]

Answer:

$SA(x) = x^2 + \frac{12}{x}$

Step-by-step explanation:

Given

$V = 3m^3$ --- volume

$x \to base\ length$

$y \to height$

Required

The surface area as a function of base length

The volume (V) is calculated as:

$V = Base\ Area * Height$

$V = x*x*y$

$V = x^2*y$

Make y the subject

$y = \frac{V}{x^2}$

Substitute 3 for V

$y = \frac{3}{x^2}$

The surface area of the open box is:

$SA = x^2 + 2xy+2xy$

$SA = x^2 + 4xy$

Substitute: $y = \frac{3}{x^2}$

$SA = x^2 + 4x*\frac{3}{x^2}$

$SA = x^2 + 4*\frac{3}{x}$

$SA = x^2 + \frac{12}{x}$

Hence, the function is:

$SA(x) = x^2 + \frac{12}{x}$

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3 years ago

Solve the inequality for x.<br> 4x – 8 > 40

Artyom0805 [142]

Answer:

x is greater then 12

Step-by-step explanation:

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andrew-mc [135]

Answer:

yes i took this test thats correct ! brainliest please :)

Step-by-step explanation:

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What is the area of the polygon in square units?

Inessa05 [86]

It is 16 square units

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