I am a number that rounds to 30. What number could I be? Could I be a different number? Explain your thinking

1 answer:

3 0

Well any number that would round to 30 has to be over 25 so if that's all the information they give you, the number can we any where from 25 to 29.999... Also saying that it could be a different number

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Find f (x) = -2x+9 when x=-10

Pani-rosa [81]

Answer:

Step-by-step explanation:

1. plug in -10 for x

-2(-10) + 9

2. multiply -2 x -10 = 20

20 + 9

3. add 20 + 9 = 29

7 0

3 years ago

PLEASE HELP (image attached)

fiasKO [112]

C is the correct answer

4 0

3 years ago

Which values of c will cause the quadratic equation –x2 + 3x + c = 0 to have no real number solutions? Check all that apply.

nika2105 [10]

Quadratic equation which has no solution gives zero for the value of d.
d = b² - 4ac
0 = 3² +- 4(-1)c
-9 = +_ 4c
c = -9/-4 pr 9/-4
c = 9/4 or -9/4

In short, Your Answers would be Option C & E

Hope this helps!

7 0

3 years ago

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Annette [7]

Answer:

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