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lisabon 2012 [21]
2 years ago
8

How do I do this I'm so confused​

Mathematics
1 answer:
suter [353]2 years ago
3 0

Answer:

Pretty sure that x would be positive 37.

Step-by-step explanation:

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3a + 2b, when a = 10 and b= 5
tia_tia [17]

Answer:

40

Step-by-step explanation:

3a + 2b =

3(10) + 2(5)

30 + 10 = 40

I hope this helps!

Have a great day!

8 0
2 years ago
Read 2 more answers
The perimeter of an equilateral triangle is p and the length of a side is s.
kompoz [17]

Answer:

s=7

p=3s

Step-by-step explanation:

The perimeter is the side length times 3

So the equation would be p=3s

Plug in 21 for p

21=3s

That means s=7

8 0
2 years ago
Jasmine bought six CDs all the same price. The tags on her purchase was $5.04, and the total was $85.74. What was the price of e
Step2247 [10]
6 cds total was 85.75 and there was a 5.04 tax so take 85.75 - 5.04 = 80.70
80.70÷6= 13.45

5 0
3 years ago
2u + 1 &gt; -5/4u - 9<br><br> help please
FinnZ [79.3K]
2u + 1 > -5/4u - 9
2u + 5/4u > -9 - 1
8/4u + 5/4u > -10
13/4u > -10
u > - 10 * 4/13
u > -40/13 or - 3 1/13 <=
4 0
3 years ago
D-13=6 <br> F-26=12<br> M+18=109<br> 56+k=231 <br><br> How do you solve these with steps
lapo4ka [179]

Answer:

D=6+13=19

Step-by-step explanation:

F=26+12=38

M=109-18=91

k=231-56=175

8 0
3 years ago
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