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Anna71 [15]
3 years ago
15

What is MULTIPLIED to equal 80 but can be ADDED to make NEGATIVE 21

Mathematics
2 answers:
MrRa [10]3 years ago
6 0
The answer is -16 and -5.
Lelu [443]3 years ago
4 0

Answer:

-7 i think...

Step-by-step explanation:

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Answer:

\frac{5}{8}

Step-by-step explanation:

Hi there!

We're given that there are 8 marbles in total. 2 marbles are yellow and 3 are red, making the number of red AND yellow marbles 5 (2+3=5)

Because 5 out of the 8 marbles are yellow or red, the probability of choosing one of them is \frac{5}{8}.

I hope this helps!

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3 years ago
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If f(x) = kx^3+ x^2 − kx + 2, find a number k such that the graph of f contains the point (k, -10)
Elina [12.6K]

If we write k where we see x in the equation and set the result equal to -10, we get the result.

  • f(k)=k(k)^3+k^2-k(k)+2
  • =k^4+k^2-k^2+2
  • =k^4+2=-10
  • k^4=-12
  • k_{1}=\sqrt[4]{3}(-1-i)
  • k_{2}=\sqrt[4]{3}(-1+i)
  • k_{3}=\sqrt[4]{3}(1-i)
  • k_{4}=\sqrt[4]{3}(1+i)

4 0
1 year ago
Yo can someone help me with this please and please ex plain
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Answer:

c) The car dealer's business is expanding rapidly.

Step-by-step explanation:

You can tell because they're selling more and more every month.

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