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4 years ago

Help need this right now and explain

Mathematics

1 answer:

KonstantinChe [14]4 years ago

8 0

The answer would be D: 35,000

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3 years ago

In parallelogram ABCD, line AC is congruent to line BD. Is ABCD a rectangle?

Marina CMI [18]

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Answer:

A. yes

Step-by-step explanation:

The diagonals of a rectangle are congruent and bisect each other.

The diagonals of a parallelogram bisect each other. If they are also congruent, then the parallelogram is a rectangle.

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3 years ago

5x - 19 = 2(x - 5)<br> Show all work

tankabanditka [31]

Answer:

x=3

Step-by-step explanation:

I did a 2-column proof for the explanation :)

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3 years ago

Read 2 more answers

The surface area A of a cube is equal to the sum on the areas of the 6 square faces that form the cube. If each face has side le

algol [13]

Answer:

18 units

Step-by-step explanation:

Hello, I can help you with this.

Step 1

identify

we have a equation, let's look it

A=6s2

The surface area A of a cube=6(area of a face)

area of face= side*side

Area=6*side*side

Step 2

isolate side from the equation

$side^{2}=\frac{Area}{6}\\side=+\sqrt{\frac{Area}{6}}$

we are looking for a distance, so , we will use only the positive root

Step 3

replace the value of 1944 square units into the equation

$side=+\sqrt{\frac{Area}{6}}\\side=+\sqrt{\frac{1944}{6}}\\side=\sqrt{324}\\\\side=18\\$

so, the value x of a side of a cube with a total

the side of a cube is 18 units when the surface area of the cube shown is 1944 units2

Have a good day.

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3 years ago

Calculate the Volume<br> Pls help

elena-14-01-66 [18.8K]

Answer:

420

Step-by-step explanation:

Multiply length, times width, times height to get your answer.

7 times 12 times 5=420

3 0

3 years ago