4 years ago

What are two numbers that multiply to -90 but add up to 1? I'm so bad at facts ;-;

1 answer:

VikaD [51]4 years ago

6 0

10 and -9. 10 times -9 equals -90 and 10+ -9 equals 1

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lilavasa [31]

We wil name x to the amount of correctly answered questions. Then, we get:

$(x-12)+x=40$ $2x-12=40$ $2x=40+12$ $2x=52$ $x=\frac{52}{2}$ $x=26$

Ben had 26 correct answers, so he missed 40-26= 14.

4 0

1 year ago

matrenka [14]

Answer:

-5

Step-by-step explanation:

ab = dc

x+15= 3x+25

2x = -10

x = -5

substituting in ad and bc

-10+18 = 8

3-(-5)=3+5=8

6 0

3 years ago

Nat2105 [25]

Answer:

No it is not a function for sure.

5 0

3 years ago

g100num [7]

X is 20/7 hope this helps

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3 years ago

matrenka [14]

Answer:

Step-by-step explanation:

7 0

3 years ago