3 years ago

What numbers multiply to equal -9 but add up to 12?

1 answer:

7 0

I don't think this is possible.

The factors of -9 are:
-1 x 9
-9 x 1
-3 x 3

And when you add them together you get:
-1 + 9 = 8
-9 + 1 = -8
-3 + 3 = 0

Sorry but there is not an answer. :(

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1 2/3*J=15 What is J?

Wewaii [24]

Answer:

Do you mean:

(1+(2/3))j = 15

((3/3)+(2/3))j = 15

((3+2)/3)j = 15

(5/3)j = 15

j = 15 / (5/3)

j = 15 * (3/5)

j = 9

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

The area of a circle is 78.5 square meters. what is the radius ?

Nataly [62]

$\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
------\\\
A=78.5
\end{cases}\implies 78.5=\pi r^2\implies \cfrac{78.5}{\pi }=r^2
\\\\\\
\sqrt{\cfrac{78.5}{\pi }}=r$