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Olenka [21]
2 years ago
9

- 3m + 7 - 2n Can I get the answer

Mathematics
1 answer:
Aleks [24]2 years ago
3 0

Answer:

3m + 5

Step-by-step explanation:

uhmm i think 2n is i cant solve here hope it helps

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The area of a rectangle is 99 square inches. What is the new area of the rectangle if the height were five times long and the ba
garri49 [273]

Answer:

330 square inches

Step-by-step explanation:

99 x 5 =495

495 x 2/3 =330

8 0
3 years ago
Uation for x and enter your answer in the box below<br> --3x + 7 = -2
Varvara68 [4.7K]

Answer:

x = -3

Step-by-step explanation:

Step 1: Simplify signs

3x + 7 = -2

Step 2: Subtract 7 on both sides

3x = -9

Step 3: Divide both sides by 3

x = -3

8 0
3 years ago
Read 2 more answers
5 square root 13^3. <br> A 13^2. <br> B 13^15 <br> C 13^5/3. <br> D 13^3/5
arlik [135]
Answer is D.

When you have an exponent that is a fraction, the denominator is the number you root the base by. In this case the exponent is 3/5, so you fifth root 13 cubed.
5 0
3 years ago
Please help! Thank you!
Aloiza [94]

Answer:

X=sigma xi/no of observation

5= (?) /4

5*4=sum of all numbers

20=sum of all the observation

If you are helped by this answer pls tag me brianliest I really want it

THANK YOU.......

4 0
3 years ago
The equation y = 0.25x describes a proportional relationship between x and y. What is the constant of proportionality?
hoa [83]

Answer:

k = 0.25

Step-by-step explanation:

The standard equation of a proportional relationship is

y = kx ← k is the constant of proportion

y = 0.25x ← is in this form

with k = 0.25

8 0
3 years ago
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