3 years ago

11. A gift store owner used 9 rolls of wrapping paper to

Mathematics

2 answers:

Xelga [282]3 years ago

6 0

Answer:

Your answer would be 7!

Step-by-step explanation:

Hopefully am i right tell me if I'm wrong tho <3

lara31 [8.8K]3 years ago

5 0

Answer:

Step-by-step explanation:

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What is the value of x in 7x-2+x+x

ratelena [41]

Hello,

Work:

Equation;

$7x - 2 + x + x$

Collect like terms.

$9x - 2 \: \: \: \: \: \: \: result$

Hope this helps.
r3t40

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3 years ago

Please help! Kylie is 231 miles away from Anna. They are traveling towards each other. If Anna travels 9 mph faster than Kylie a

Andrej [43]

A will represent Anna. k will represent Kylie.

7a+7k=231
a=9+k

Substitute for a
7(9+k)+7k=231
63+7k+7k=231
14k=168
k=12

Then plug in the k value
a=9+12
a=21

Final answer: Anna=21 mph, Kylie= 12 mph

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4 years ago

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Eddi Din [679]

Answer:

375.66 cm²

Step-by-step explanation:

The two semicircles add to a full circle.

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r = d/2 = 9 cm.

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Maybe it should be => B

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