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Zanzabum
2 years ago
9

How do you answer this question:

Mathematics
1 answer:
Maurinko [17]2 years ago
5 0
66527273848 A. Aaaaaaaaaaaaaaaaa
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-8+ 8b = 16 8b+8=16 -8=-8 8b=8
e-lub [12.9K]

b = 3 \\ b = 1 \\ 0 \\ b = 1
7 0
3 years ago
Solve the system: 10x-9y=8 21y+15x=0.5
artcher [175]

Answer:

x = 1/2 y = -1/3

Step-by-step explanation:

Split it into 2 equations:

10x-9y=8

and

21y+15x=0.5

10x - 9y = 8

Step 1: Divide both sides by 10:

x = (8+9y)/(10)

Substitute x = (8+9y)/(10) into 21y+15x=0.5 :

21y + (3(8+9))/(2) = 0.5

Solve for y

<u>y= -1/3</u>

Substitute y= -1/3 into x = (8+9y)/(10)

<u>x = 1/2</u>

<u />

3 0
3 years ago
Help plz...<br> choose one of the answer choices.
mr Goodwill [35]

Answer:

C

Step-by-step explanation:

5 0
3 years ago
Fifteen 2 inch nails weigh 35 grams. How many of these nails weigh 175 grams? Can you explain how to do this please thankyou so
polet [3.4K]
Solving:

1) Pass: Make the rule three (Directly proportional) 

Two inch nails ______ grams (<span>Weight)
</span>15 ----------------------------35
n ----------------------------- 175

2) Pass: <span>Multiply cross
</span>
35*n = 15*175

3) Pass: Simplify
35*n = 15*175
35n = 2625
n =  \frac{2625}{35}
\boxed{n = 75}

Answer:
75 nails weigh 175 grams



8 0
3 years ago
Jasmine had 50 cans and collects 5 additional cans per week for a food drive. Leandra has no cans but collects 10 cans per week.
xxTIMURxx [149]
10 weeks is the answer
6 0
2 years ago
Read 2 more answers
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