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Effectus [21]
3 years ago
15

A tree is 12 metres tall and casts a shadow 9 metres long. A building nearby casts a shadow that measures 21 metres. How tall is

the building? (Draw a picture, set up a proportion)
1) 16 m
2) 24 m
3) 21 m
4) 28 m
Mathematics
1 answer:
Ulleksa [173]3 years ago
8 0
The answer to this question is 16m
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Rita earns $10 per hour. She puts 5% of her earnings in savings. Write inequality to find how many hours Rita must work to save
Rina8888 [55]

Answer:

Rita must work 50 days  to save at least $25.

Step-by-step explanation:

The amount Rita earns per hour  = $10

The saving percentage =  5%

So, the savings of Rita per hour =  5% of $10

⇒5% of $10  = \frac{5}{100}  \times 10  = 0.5

or Rita saves $0.5 per hour.

The amount she wants to save at minimum  = $25

So, let she works at the minimum of k Days.

⇒\textrm{The number of hours she has to work}  = \frac{\textrm{Amount she needs saving}}{\textrm{Amount saved in 1 hour}}

or, k = \frac{25}{0.5}  = 50

The number of hours she has to work  =  50 days

Hence,  Rita must work 50 days  to save at least $25.

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3 years ago
PLEASE HELLP I HAVE BEEN STUCK FOR AT LEAST 25 minutes
olga_2 [115]
I believe that’s false, because for every x there should only be one y, and x(5) has two y’s (1 and 3)
7 0
3 years ago
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Find the area of each parallelogram. (Example1.2.Showyourwork.ZA
Gala2k [10]

Answer:

To find the area of each parallelogram.

From the give figure we get that,

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1 year ago
What is 8.2 kg in pounds
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18.0779 pounds is the equivalent to 8.2 kg.
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Which is the graph of x – y = 1?
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Your answer is the third statement, A coordinate plane with a line passing through (0, -1) and (1, 0).

This is because we can rearrange the equation x - y = 1:

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x = y + 1

- 1

y = x - 1

Now the equation is in the form y = mx + b, we can see that it would represent a line with a slope of 1, that has a y-intercept of -1.

Therefore we know it must go through (0, -1), because that is the point that represents the y-intercept being -1, but it must be the third statement and not the last statement because if we substitute (-1, 0) from the last statement into y = x - 1, we get 0 = -1 - 1, which is false.

I hope this helps! Let me know if you have any questions :)

4 0
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