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Anvisha [2.4K]
3 years ago
5

What is the product of-3 and-13? Enter your answer as a mixed number, in simplified fom, in the box​

Mathematics
1 answer:
koban [17]3 years ago
6 0

Answer:

39

Step-by-step explanation:

-3x(-13) = 39.

If this question was asking for something different I apologize.

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Does anybody know how to do this
Bumek [7]

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d is less than or equal to 6

Step-by-step explanation:

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5 0
3 years ago
Let p=3x+4. Which equation is equivalent to (3x+4)^2-36=15x+20 in terms of p
mixer [17]

Answer:

The equation is "\bold{p^2-5p-36=0}"

Step-by-step explanation:

Given:

\to p=3x+4

evaluate (3x+4)^2-36=15x+20 in terms of p=?

\to (3x+4)^2-36=15x+20\\\\\to (3x+4)^2-36=5(3x+4)\\\\\to p^2-36=5p\\\\

Expression in terms of p:

\to \bold{p^2-5p-36=0}\\\\

\to p^2-(9-4)p-36=0\\\\\to p^2-9p+4p-36=0\\\\\to p(p-9)+4(p-9)=0\\\\\to (p-9)(p+4)=0\\\\\to p-9=0 \ \ \  \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \to p+4=0\\\\\to \bold{p=9 \ \ \  \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \to p=-4}\\\\\to 3x+4=9 \ \ \  \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \to 3x+4=-4\\\\\to 3x=5 \ \ \  \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \to 3x=-8\\\\\to x=\frac{5}{3} \ \ \  \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \to x=- \frac{8}{3}\\\\

The value of p: 9 and -4

Equation is: \bold{p^2-5p-36=0}

6 0
3 years ago
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