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omeli [17]
3 years ago
15

Please I need help with this quiz really need your help

Mathematics
1 answer:
Doss [256]3 years ago
3 0

Answer:

1.) 216 km³

2.) 71.3 m³ would be my best guess

3.) 324 km³

4.) 128 mi³

5.) 165 in³

6.) 60.9 ft³ would be my best guest

Sorry if any of these aren't correct, but have a good day and hope this helped u!

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Question is on the picture !
Nataly [62]

Answer: 122.5

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

Explanation:

First thing to do is to find the perimeter of figure B. Add up all the sides and we get: 5+9+9+12 = 14+21 = 35.

The scale factor 7:2 means that if the perimeter of figure A was 7, then the perimeter of figure B would be 2. Or it could be 14 for A and 4 for B. And so on. The idea is that the two perimeters scale up or down together. This allows us to set up the proportion below in which we can solve for x

(perimeter of A)/(perimeter of B) = 7/2

x/35 = 7/2

x*2 = 35*7 .... cross multiply

2x = 245

2x/2 = 245/2 .... divide both sides by 2

x = 122.5

The perimeter of figure A is 122.5

4 0
3 years ago
What is it pls help? multiple choice
MA_775_DIABLO [31]

Answer:

around 904.78

Step-by-step explanation:

i got 904.78 but i cant read the answers properly so choose the closest one

8 0
2 years ago
Scientists need to know how gravity acts on space shuttles so they can put the space shuttle in orbit. They use an equation that
patriot [66]

The equation is a scientific law, Newton's Law of Gravity,

F =\dfrac{GMm}{r^2}

This is a pretty bad question. Newton's Law of Gravity is a mathematical model of gravitation, originally a theory, verified by observation, and now superseded by the General Theory of Relativity.

C is probably the best answer to this poor question.


6 0
3 years ago
Find the amount of the annuity due. Round to the nearest cent.
Ber [7]
FVAD=515[((1+0.18/12)^(12*2)-1)/(0.18/12)]*(1+0.18/12)
FVAD=14967.46
5 0
2 years ago
Sally wants to purchase some snowboarding equipment, clothes, and a season pass. She calculates that it will cost her about $1,8
Sonja [21]

<em><u>Total Cost : 1800</u></em>


<u><em>12 dollars * 16 hours = 192 dollars earned</em></u>


<u><em>0.2 percent * 192 = 38.4 dollars saved</em></u>


A.<u><em>She earns 192 dollars every week</em></u>


B.  she will save <em><u>38.4 dollars * 7 weeks = 268.8 </u></em> dollars in a week.


C.  7 days times 4.3 weeks = 30.1 days. <em><u>30.1 days * 38.4 = 1,155.84 dollars every month.</u></em>


D. it will take her  about <em><u>2 months</u></em> to save the money. <em><u>To be exact: 1.6 months.</u></em>


Hope this helped!

8 0
3 years ago
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