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GalinKa [24]
3 years ago
14

Help me thanks please thanks

Mathematics
2 answers:
Gnesinka [82]3 years ago
4 0
83838383 centimeters
KiRa [710]3 years ago
4 0

Answer:

radius is 72

Step-by-step explanation:

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Which situation could be represented by the equation - 30+30 = 0?
Shalnov [3]

Answer:

"Donna loaned $30 to her brother. He then paid her back $30 the next day" is the correct situation

8 0
3 years ago
Mary is preparing for her college entrance exams in a practice test she answered 12 problems in 30 minutes at this rate how many
kap26 [50]

Answer:

40 problems in 100 minutes

Step-by-step explanation:

This is a ratio problem.

You first divide 30 minutes by three to get how many problems she can do in 10 minutes. What you do to one side you do to the other side. So then, you should have 4 problems in 10 minute. Then, you multiply 10 by 10 and 4 by 10 to get 40 problems in 100 minutes.

6 0
3 years ago
What is the value of x: -7x = -2x + 15​
Art [367]

Answer:

-3

Step-by-step explanation:

-7x=-2x+15

collect like terms

-7x+2x=15

-5x=15

divide both sides by -5

x=15/-5

x=-3

6 0
3 years ago
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Consider the diagram. BC is parallel to DE. Find the length of BC.
Lubov Fominskaja [6]

Answer:

It should be 5 but my brain is literally dead

Step-by-step explanation:

Please give brainlest

3 0
2 years ago
Some money is shared between erin, faye and sachin in the ratio 5:2:7. Faye gets £90 less than sachin. How much money did Erin g
VARVARA [1.3K]

Answer:

Erin gets £90

Step-by-step explanation:

Ratio = 5 : 2 : 7

Money with Erin = 5x

Money with Faye = 2x

Money with Sachin = 7x

Faye gets £90 less than Sachin

7x -  2x = 90

      5x = 90

        x = 90/5

        x = 18

Money with Erin = 5*18 = 90

7 0
3 years ago
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