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ZanzabumX [31]
2 years ago
11

What is the solution(s) to the equation? Use algebra only, no graphing. (5x + 15)(x - 7) = 0

Mathematics
2 answers:
Otrada [13]2 years ago
7 0

Answer:

x = -3, x = 7

Step-by-step explanation:

( 5x + 15 ) ( x - 7 ) = 0

5x + 15 = 0

5x = -15

x = -3

x - 7 = 0

x = 7

Neko [114]2 years ago
5 0

Answer:

x=−3 or x=7

Step-by-step explanation:

(5x+15)(x-7)=0

5x2−20x−105=0

5(x+3)(x−7)=0

x+3=0 or x−7=0

x=−3 or x=7

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mario62 [17]

Answer:

The answer is $6

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5 0
2 years ago
3y+7<2-y help doing a test rn please help fast
Anna35 [415]

Answer:

y<-5/4

Step-by-step explanation:

3y+7<2-y

-7 on both sides

3y<-5-y

+y on both sides

4y<-5

divide by 4 on both sides

y<-5/4

4 0
2 years ago
How is shading a grid to show 1/10 different than 1/100
gayaneshka [121]
They are very different 1/10 is equivalent to 10% and also 0.1 but 1/100 is equivalent to 1% and 0.01
7 0
3 years ago
2 5/16 divided into 7/8 equals what
Whitepunk [10]

Answer:

4 1/14

Step-by-step explanation:

2 5/16=57/16

57/16*8/7=57/16 divided by 7/8

57/16*8/7=57/2*7=57/14=4 1/14

8 0
3 years ago
What is 10/15 = N/96
Snezhnost [94]

Answer:

n = 64

Step-by-step explanation:

We can solve using cross products

10/15 = n/96

10*96 = 15*n

960 = 15n

Divide each side by 15

960/15 =15n/15

64 = n

6 0
3 years ago
Read 2 more answers
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