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Ivanshal [37]
3 years ago
9

What are the solutions to x2 + 8x + 7 = 0?

Mathematics
1 answer:
Lelechka [254]3 years ago
6 0

Answer:

B

Step-by-step explanation:

x² + 8x + 7 = 0

x²+x+7x+7=0

x(x+1)+7(x+1)=0

(x+1)(x+7)=0

Either x=-1or x=-7.

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tigry1 [53]
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Express each number as a product of its prime factor of 39
vitfil [10]
If you just mean the product of the prime factors of 39 then this is the answer

39 = 3 x 13
5 0
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On a blueprint, the scale indicates that 7 cm represent 16 ft. What is the length of a room that is 9.8 cm long and 5 cm wide on
Ira Lisetskai [31]
The room is 22.4 feet long

7cm=16ft
9.8cm=?ft

  7cm       9.8cm
______=______
  16ft          x ft

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3 0
3 years ago
Read 2 more answers
10 points || answer ASAP if you can
dmitriy555 [2]

Answer:

It would affect the mean, range, and standard deviation

Step-by-step explanation:

I got this right on the test :)

8 0
3 years ago
3 times the first of three consecutive odd integers is 3 more than twice the third? what is the third integer
fenix001 [56]

Answer:

15

Step-by-step explanation:

The difference between consecutive integers is 1.

The difference between consecutive odd integers is 2.

Let the smallest odd integer be x.

Then the next greater one is x + 2. The greatest one is x + 4.

"3 times the first" is 3x

"twice the third" is 2(x + 4)

"3 times the first of three consecutive odd integers is 3 more than twice the third"

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3x = 2x + 8 + 3

x = 11

The smallest integer is 11.

x + 4 = 11 + 4 = 15

The greatest one is 15.

4 0
3 years ago
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