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Strike441 [17]
3 years ago
13

Six cell phones weigh 46.2 ounces. Fourteen cell phones weigh 107.8 ounces. This relationship is an example of a proportional re

lationship. What is the constant of proportionality
Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

The constant is 7.7 . This is because the quantities are directly proportional so constant of proportionality is a/b or 46.2/6

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What is 10.465 - (-25.21)
UNO [17]

Answer: 35.675

Step-by-step explanation:

10.465−(−25.21)

The opposite of −25.21 is 25.21.

10.465+25.21

Add 10.465 and 25.21 to get 35.675.

35.675

5 0
2 years ago
What is the disturbited property of (-2.5)(3-8y)
Mars2501 [29]

<u><em>Answer: =-7.5+20y</em></u>

Step-by-step explanation:

distributive property: a(b+c)=ab+ac

a=-2.5, b=3, c=8y

-2.5*3-(-2.5)*8y

3(-2.5)-8(-2.5)y

simplify by equation.

3(-2.5)-8(-2.5)y=-7.5+20y

=-7.5+20y

Hope this helps!

Thanks!

Have a great day!

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3 years ago
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If two circles are externally tangent, it is not possible to draw an external tangent line. True/False
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