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3 years ago

9(5r-2) and 14r-7 yes or no to tell if this expression is equivalent or not

Mathematics

1 answer:

mixas84 [53]3 years ago

4 0

Answer:

No instead of doing multiplication u did division

Step-by-step explanation:

This equation is called distributive property where u multiply the answer from the outside by the inside number

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During an Apollo moon landing, reflecting panels were placed on the moon. This allowed Earth-based astronomers to shoot laser be

rusak2 [61]

Answer:

The distance between the astronomers and the moon was $7.56*10^{8]$ meters.

Step-by-step explanation:

We have that the speed is the distance divided by the time, so:

$v = \frac{d}{t}$

In this problem, we have that:

The reflected laser beam was observed by the astronomers 2.52 s after the laser pulse was sent. This means that $t = 2.52$ .

If the speed of light is 3.00 times 10^8 m/s, what was the distance between the astronomers and the moon?

We have that $v = 3*10^{8}$ m/s.

We have to find d. So:

$v = \frac{d}{t}$

$d = vt$

$d = 3*10^{8}*2.52$

$7.56*10^{8]$

The distance between the astronomers and the moon was $7.56*10^{8]$ meters.

7 0

4 years ago

What is the product. Plzz help

VARVARA [1.3K]

Answer:

Third one

Step-by-step explanation:

multiple each numbers by 1/2

3 0

3 years ago

Jane made a door frame for the house but does not have a tool to measure the angles. How can she check that the corner is 90 deg

Ainat [17]

The door frame is a rectangle. The diagonals of a rectangle are congruent. She can measure the two diagonals and make sure they are congruent.

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3 years ago

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What is 0.875 written as a number name?

Ainat [17]

Answer:

How to write out number 0.875: eight hundred seventy-five thousandths

Step-by-step explanation:

6 0

3 years ago

0612103993 please answer <br><br> 529185/(x/y-2)=3. solve for x and y

densk [106]

Answer: Y= x/176397

X= 176397y

Step-by-step explanation: I hope this helps. Have a brilliant day ! - Lily ^_^

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3 years ago