3 years ago

Help i need step by step 15 points

Mathematics

2 answers:

soldi70 [24.7K]3 years ago

4 0

Answer:

With what exactly can i help u with??

ad-work [718]3 years ago

4 0

Answer:?

Step-by-step explanation:

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Elena's math class had 25 students yesterday. she miscounted the class total and recorded it as 20 students. What is Elena's per

adelina 88 [10]

Elena had a 5% error

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3 years ago

Ms. Smith has 36 students in her reading class.

Bas_tet [7]

Answer:

Step-by-step explanation:

1/3 of 36 = 12

5/12 of 36 = 15

15 + 12 = 27

36 - 27 = 9

3 0

3 years ago

Sorry I’m really behind

Elina [12.6K]

The answer will be 238,900 miles.

If you round off 238, 854 to the nearest hundreds, you get

238,900 in miles.

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Mark Brainliest!!!

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4 years ago

Round 37.82 to the nearest tenths place.

umka2103 [35]

Given that the number next to the right of the tenth digit is smaller than 5, it does not change.

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3 years ago

Find the perimeter of a rectangle <br> L= 2x^2+3x+1<br> W= x+3

ahrayia [7]

Answer:

The perimeter of the rectangle is $P(x) = (4x^{2} + 8x + 8)$

Step-by-step explanation:

Length of the rectangle = $2x^{2} +3x + 1$

Width of the rectangle = x + 3

The Perimeter of the Rectangle = 2 (Length + Width)

So, here the perimeter = $2((2x^{2} + 3x +1 )+(x+3)) = 2 (2x^{2} + 3x + 1 + x +3)\\= 2(2x^{2} + 4x+4) = 4x^{2} + 8x + 8$

Hence,the perimeter of the rectangle is $P(x) = (4x^{2} + 8x + 8)$

7 0

4 years ago