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mariarad [96]
3 years ago
10

(-7)(-9)= please help i thought it was -63

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0
It’s 63 not -63 negative x negative is positive like if you hate to hate you love which is positive
Rom4ik [11]3 years ago
7 0

Answer:

The answer is not -63 but 63

Step-by-step explanation:

You multiply -7 by -9 and that equals 63. For when you multiply two negative numbers by each other it makes a positive number because the two negative numbers are canceled out:)

I rly hope this helped. Can I plz get brainliest?

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Explanation:

Suppose the distance from the playground to the road is x.

To find the value x, we need to use the cos function;

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From the cos function in the given right angle triangle:

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\begin{gathered} cos50^{\operatorname{\circ}}=\frac{x}{2} \\ 0.64=\frac{x}{2} \end{gathered}

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\begin{gathered} 0.64=\frac{x}{2} \\ x=0.64\times2 \\ x=1.28 \\ x=1.3mi \end{gathered}

Final answer:

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