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3 years ago

8

One way to build a staircase is to attach triangular blocks to an angled support, as shown above. If the support makes a 32 angl

e with the floor, what must the measure of angle 1 be so that the steps are parallel to the floor?

1 answer:

Ivan3 years ago

3 0

All the angels ect would have to be equal to all of them dose it tell u the angels

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1. The 2010 census reported about 308.7 million people in the United States. The 2000 census reported a population of about 281.

solong [7]

Let C be the percentage change.
<span>C = 100*(308.7 million - 281.4 million)/(281.4 million) = 9.7%. This is positive, so the population grew. </span>
<span>- - - - - - - - - - - - - </span>

7 0

3 years ago

Find a + b, 2a + 3b, |a|, and |a − b|. a = i + 4j − 2k, b = −4i − j + 6k

emmasim [6.3K]

A + b = i + 4j - 2k + (-4i - j + 6k)

= i + 4j - 2k - 4i - j + 6k

= -3i + 3j + 4k

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3 years ago

The quotient of a number x and −1.5 is 21

Andru [333]

<u><em>Answer:</em></u>

x = -31.5

<u><em>Explanation:</em></u>

We are given that the quotient of x and -1.5 is 21

<u>This means that:</u>

$\frac{x}{-1.5} =21$

To get the value of x, we will multiply both sides of the equation by -1.5

<u>This means that:</u>

$\frac{x}{-1.5} * -1.5=21*-1.5$

x = -31.5

<u>Note that</u> the value of x must be negative because we are dividing by a negative number and the quotient is positive (-ve/-ve is +ve and +ve/-ve is -ve)

Hope this helps :)

3 0

3 years ago

The school track team earned $2 for each cap they sold and $5 for each sweatshirt they sold. The total profits were $317. If the

Feliz [49]

The answer is 45 bc if they sell 46 that gives u the answer

4 0

3 years ago

Mr. Peterson can iron 2 shirts in 6 minutes.

Bumek [7]

Answer:

7

Step-by-step explanation:

he can iron 7 in 21 minutes

hope this helps

7 0

3 years ago