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2 years ago

8

Avani is building a rectangular play area. The length of the play area is 7.5 meters. The width of the play area is 5.3 meters.

If she wants to cover the area in foam, how much foam does she need to buy?
.

1 answer:

Cloud [144]2 years ago

6 0

39.8 is the answer
hope this helps!

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Julia is standing 2 feet away from a lamppost. If she casts a shadow of 5 feet and the light makes a 20° angle relative to the g

givi [52]

Answer:

2.5477 feet

Step-by-step explanation:

Refer the image attached to understand my solution.

BC = height of lamppost.

DE = Julia

AD = shadow of Julia

BD = 2 feet. AD = 5 feet

BA = BD + AD

= 2 + 5 = 7 feet

In ΔABC

tan 20° = $\frac{BC}{BA} = \frac{BC}{7}$

BC = 7 * tan 20°

BC = 2.5477 feet

SO the height of lamppost = 2.5477 feet

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There are (4^9)^5 x 4^0 books at the library. What is the total number of books at the library?

sergejj [24]

Answer:

You multiply 5 by the exponents and 4^0 is just 1, so 4^45•1=4^45. Hope this helped!

Step-by-step explanation:

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Negative three fourths plus negtive one half

Alexxandr [17]

The solution is -5/4= -1 1/4

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Diego’s family car holds 14 gallons of fuel. Each day the car uses 0.5 gallons of fuel. A warning light comes on when the remain

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His father can drive 25 days without the warning light

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3 years ago

Please solve 7(b+2) = 49

Inessa05 [86]

Answer: b=5

Step-by-step explanation:

7(b+2)=49

7b + 14= 49

7b = 49-14

7b= 35

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