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Furkat [3]
2 years ago
5

4/5a+9=-2(3*3)+7/10a

Mathematics
2 answers:
castortr0y [4]2 years ago
7 0

Answer:

a=-270

Step-by-step explanation:

koban [17]2 years ago
4 0

Answer: a = -1/270

Step-by-step explanation: 4/5a + 9 = -2 (3) (3) + 7/10a

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Select the correct answer
KatRina [158]

Answer:

49

Step-by-step explanation:

There is no answer choices so I can't really select an answer so I just provided my own. If you do provide the answer choices and my answer is wrong tell me and I will gladly change it. Anyways my explanation is since there are 7 days in a week and she collected 7 leaves for a week you would find this answer out by multiplying 7 by 7. 7x7=49

5 0
3 years ago
*I WILL MARK YOU BRAINLIEST!!!!*
Anastaziya [24]

Answer:

The answer would be -9 and -3 which would be B and D

Step-by-step explanation:

3 0
3 years ago
A tree in John's backyard has been growing for 4 1/2 years. The tree is 4/5 meters tall. What is the unit rate in meters per yea
STatiana [176]

Answer:

<u>5 127/200 meters</u>

Step-by-step explanation:

4 1/2 = 4 5/10 | 4/5 = 8/10

--------------------------------------

4 5/10 = 4.5 | 8/10 = 0.8

--------------------------------------

4.8 divided by 0.8 = 5.625

--------------------------------------

5.635 = 5 635/1000

635/1000 divided by 5 = 127/200

--------------------------------------

5 + 127/200 = <u>5 127/200</u>

4 0
3 years ago
Kim’s hair grows a half inch per month. How many months will it take for her hair to grow 12 inches?
Contact [7]

Answer:

24 months

Step-by-step explanation:

Cross-multiply

0.5 inches -------------- 1 month

12 inches ---------------- x months

0.5/12 = 1/x ===> 0.5x = 12 ===> x = 12/0.5  ===> x = 24 months

3 0
3 years ago
What is the result of substituting for y in the bottom equation?
jeka57 [31]
The answer is the option A, which is: A. x-7=x²+2x-4
 The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
 1. You have the following system equations given in the problem above:
 <span>y=x-7
 y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
 </span>x-7=x²+2x-4
8 0
3 years ago
Read 2 more answers
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