3 years ago

-5x– 8< -53 and -63 < -5x – 8

Mathematics

1 answer:

baherus [9]3 years ago

7 0

Answer:

x>9 and x<11

Step-by-step explanation:

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4. The electrical resistance of a wire varies inversely as the square of its radius. If the resistance is 0.80 ohm when the radi

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0.261 ohm

Step-by-step explanation:

If the radius increases by a factor of 0.7/0.4= 7/4, the square of this factor is (7/4)^2 = 49/16. The inverse of this square is 16/49, which is the factor by which the resistance changed.

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3 years ago

A jar contains 3 oz of seed and is 1/6 full.<br><br> How much seed is in a full jar?

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4 years ago

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Step-by-step explanation:

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3 years ago

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Person A can make a cupcake in 5 minutes, Person B can make a cupcake in 9 minutes. In total they made 168 cupcakes. How many cu

Stolb23 [73]

Answer:

Person A made 108 cupcakes and person B made 60 cupcakes.

Step-by-step explanation:

Person A makes 1 cupcake in 5 minutes.

Say in x minutes A makes : $\frac{x}{5}$ cupcakes

Person B makes 1 cupcake in 9 minutes.

Say in x minutes B makes : $\frac{x}{9}$ cupcakes

Total cupcakes prepared by A and B in x minutes = 168

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So, cupcakes made by A = $\frac{540}{5}=108$

Cupcakes made by B = $\frac{540}{9}=60$

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4 years ago