3 years ago

Please help this is my 3rd time asking :(

Mathematics

1 answer:

Vesna [10]3 years ago

3 0

Answer:

D. the lines never intersect

Step-by-step explanation:

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A unicycle wheel has a diameter of 12 inches. How many inches will the unicycle

saw5 [17]

Answer:The unicycle would travel 226.29 inches in 6 revolutions.

Step-by-step explanation:

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3 years ago

Help me pls help me

coldgirl [10]

1st
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3 years ago

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Two consecutive perfect squares have a difference of $99$. what is the value of the larger perfect square?

Fofino [41]

Answer:

2500

Step-by-step explanation:

Let the first square number be $x^2$ then the next square number is $(x+1)^2$ .

The difference between these two consecutive numbers is 99.

This implies that:

$(x+1)^2-x^2=99$

We expand to get:

$x^2+2x+1-x^2=99$

Simplify:

$2x=99-1$

$2x=98$

Divide both sides by 2

$x=49$

Therefore the value of the larger perfect number is

$(49+1)^2=50^2=2500$ .

6 0

3 years ago

What is the surface area of the sphere?

Fantom [35]

Answer:

<em>The surface area of the sphere is 314 mi².</em>

Step-by-step explanation:

According to the given diagram, the diameter of the sphere is 10 mi.

If the radius is $r$ , then diameter $=2r$

So....

$2r=10\\ \\ r=\frac{10}{2}= 5$

<u>Formula for the surface area of a sphere</u>: $A_{S}= 4\pi r^2$

Plugging the value of $r$ into this formula, we will get...

$A_{S}=4\pi(5)^2\\ \\ A_{S}=4\pi(25)\\ \\ A_{S}=4(3.14)(25)\ \ [Using\ \pi=3.14]\\ \\ A_{S}=314$

So, the surface area of the sphere is 314 mi².

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3 years ago

Elijah works at Chick-fil-A and gets paid weekly. He does not have any money in his bank account yet, but will

Maurinko [17]

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3 years ago

Please help this is my 3rd time asking :(​

Please help this is my 3rd time asking :(