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2 years ago

Please help!! this test will bring my grade up

Mathematics

2 answers:

Nutka1998 [239]2 years ago

8 0

I believe it’s C not sure

enyata [817]2 years ago

8 0

No it’s actually A

Yogkxyvoviycyiviycicyict

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I'll mark the best or the first as brainliest.

FinnZ [79.3K]

Answer:

Here the error is 

 $\pi {r}^{2}$ 

It should have been ,

 $2\pi {r}^{2}$ 

Step-by-step explanation:

Corrected formula:

 $2\pi {r}^{2} + 2\pi rh$ 

 $= 2\pi ({5}^{2}) + 2\pi(5)(10.6)$ 

 $= 50\pi + 106\pi$ 

 $= 156\pi$ 

 $= 489.84 {yd}^{2}$ 

 $approx . \: 489.8 {yd}^{2} (ans)$ 

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2 years ago

|x+8| =−3 plz help!! show steps and stuuf

Mashcka [7]

Answer:

No solution

Step-by-step explanation:

since it equals a negative 3 in the original equation it cannot be solved

7 0

3 years ago

Read 2 more answers

Which set of side lengths can form a triangle?

professor190 [17]

Step-by-step explanation:

6 cm, 8 cm, and 10 cm (B) form a triangle.

The Triangle Inequality Theorem states that the sum of the lesser two sides must be greater than the third.

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2 years ago

The ratio of pink marbles to white marbles in samaras bag is equal to 1:5 what percent of the bag contains pink marbles

Strike441 [17]

Answer: i dont want to give the exact answer so u can actually know how to do it but i will tell u if ur right

Step-by-step explanation:

We will follow the following steps for converting a ratio into a percentage:

Step I: Obtain the ratio. Let the ratio be x : y

Step II: Convert the given ratio into the fraction x/y.

Step III: Multiply the fraction obtained in step II by 100 and put the percentage sign(%).

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2 years ago

There is an elevator in a building that is 450 feet tall with 30 stories. Starting from the 20th floor, the elevator descends st

olga2289 [7]

1450 ft / 29.6 ft/s = 48.9864864865 seconds

Step-by-step explanation:

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2 years ago