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Nataly [62]
3 years ago
11

9(2w−y)=21w−9y Solve for y

Mathematics
1 answer:
valentinak56 [21]3 years ago
5 0

9(2w−y)=21w−9y

First you multiply the numbers in the parenthesis by 9

18w-9y=21w-9y

subtract. 21w-18w=3w

-9y=3w-9y

add. -9y+9y=0

0=3w

divide.

0=w

Final answer is 0.

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A person is standing on top of a six foot platform, looking down into a mirror. The person can see the top of the flagpole in th
Murljashka [212]
<h3>Answer:  The flagpole is <u>16 feet tall</u></h3>

==========================================================

Explanation:

The small markings for the angles in the diagram help us see how the angles pair up and how those pairs are congruent.

The square angle markers indicate we have 90 degree angles (aka right angles). That's one pair of congruent angles.

The other pair are the angles marked with small curves. We don't need to worry about the angle measure of these. All we care about is we have a second congruent pair of angles.

Having 2 sets of congruent angles allows us to use the AA (angle angle) similarity theorem.

The similar triangles allow us to set up the proportion below and isolate x.

-------------------

Let's solve for x.

6/x = 4.5/12

6*12 = x*4.5

72 = 4.5x

4.5x = 72

x = 72/(4.5)

x = 16

The flagpole is 16 feet tall.

This is somewhere between a 1 and 2 story building in terms of height.

8 0
3 years ago
The tax on a bike is $22.75. If the rate is 6.5%, how much was the original price of the bike?
Vedmedyk [2.9K]

Answer:

The tax on a bike is $22.75. If the rate is 6.5%, how much was the original price of the bike?

x = Price of bike

6.5% * x = 22.75
   flip it
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x = 350

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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Aleks [24]

Answer: why did you delete  one of my questions!!!! whats your prob

Step-by-step explanation:

7 0
3 years ago
What is the value of x?<br> 72<br> 84<br> 96<br> 252<br> helpppp please
Art [367]
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7 0
4 years ago
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Belleview High School has 12 chaperones for 198 students on a field trip. Which of the following schools has the same ratio of c
Masja [62]

Answer:

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Step-by-step explanation:

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20/350 reduces to 2/35

8/160 reduces to 1/20

14/260 reduces to 7/130

So the same ratio would be Jefferson High School

3 0
3 years ago
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