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Sunny_sXe [5.5K]
3 years ago
15

Which expression is equivalent to 2a + 5 (2 + 7a)?

Mathematics
1 answer:
Ber [7]3 years ago
3 0

Answer:

37a + 10

Step-by-step explanation:

Have a good day :)

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Y – 1 = 2(x – 2), solve for y
solmaris [256]

Answer:

y = 2x-3

Step-by-step explanation:

y – 1 = 2(x – 2)

Distribute

y-1 =2x-4

Add 1 to each side

y-1+1 = 2x-4+1

y = 2x-3

6 0
3 years ago
Using the discriminant determine the number of real solutions -4x^2+20x-25=0
seraphim [82]
I think it's c I'm not too sure
5 0
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How can you isolate the variable in this inequality?
Ierofanga [76]

Answer:

C- Divide both sides by 3.

Step-by-step explanation:

In order to isolate the variable, we will have to remove all non-1 coefficients from the variable. Since 3b can be written as 3(b), b is being multiplied by 3. So the only way to isolate the variable is to do inverse operations, which would be to divide both sides of the inequality by 3.

Hope this helped!

3 0
3 years ago
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What is the solution of -8/2y-8=5/y+4-7y+8/y2-16
omeli [17]
The answer would be -0.102564 repeating because if you do the math before dividing you would get -8/6.5/-1.5/-8

3 0
3 years ago
Giselle spent 7/10 of her money on a book and 10/100 of her money on food. What fraction of her money did she spend altogether?
aleksklad [387]

Answer:

80/100 or 80%

Step-by-step explanation:

7/10 = 70/100

70/100 + 10/100 = 80/100

8 0
3 years ago
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