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Eduardwww [97]
2 years ago
15

(7 — 2) - 10 Simplify each numerical expression

Mathematics
2 answers:
german2 years ago
5 0

Answer:

-5

Step-by-step explanation:

You have to follow PEMDAS, so we would do parentheses, and 7-2 equals 5. Then we subtract 5-10 which equals -5.

mart [117]2 years ago
4 0

Answer:

-5

Step-by-step explanation:

7−2−10

=5−10

=-5

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PLEASE HELP ILL GIVE BRAINLIEST!
amid [387]

Answer:

10 sides (decagon)

Step-by-step explanation:

You find the perimeter by adding up all the sides of a shape.

side + side + side + side... = perimeter

You know that <em>each</em> side is 4/5 centimeters. You also know that the perimeter is 8 centimeters.

<u>You can set up an equation like this:</u>

4/5 * number of sides = 8

<em>or you can write it in a simpler form as:</em>

4/5x=8

<u>Now solve it like a normal equation:</u>

5 * (4/5x) = (8) * 5

(4x) / 4=(40) / 4

x = 10

So, you know the shape has 10 sides that are 4/5 centimeters each.

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3 years ago
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Simplify:
adelina 88 [10]

Answer:

The answer is 63, but there is no option of the answer

Step-by-step explanation:

Please give me brainliest ;)

4 0
3 years ago
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How do you write 9.51 x 10^-2 in standard form?
lbvjy [14]
Move the decimal point 2 places to the left answer: 0.0951
6 0
3 years ago
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HELP EASY PROBABLILITY QUESTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ella [17]

Answer:

0.43

Step-by-step explanation:

2+3+1+1=7

7*4+28==Area of full shape

(2*4)+(1*4)=12==Area of shaded shapes

12/28=0.428571>rounded up>0.43

3 0
3 years ago
Read 2 more answers
Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

Given

k = \frac{brt}{v-b} ← multiply both sides by (v - b)

k(v - b) = brt ← distribute left side

kv - kb = brt ( subtract brt from both sides )

kv - kb - brt = 0 ( subtract kv from both sides )

- kb - brt = - kv ( multiply through by - 1 to clear the negatives )

kb + brt = kv ← factor out b from each term on the left

b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

5 0
3 years ago
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