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3 years ago

Need help with this question, thanks.

Mathematics

1 answer:

Kazeer [188]3 years ago

7 0

Answer:

Step-by-step explanation:

Times 11 for all sides get

11<x+13<33

then 11<x+13

-2<x

x+13<33

x<20

-2<x<20

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Mr. Litterski creates a ball from rubber bands.

kupik [55]

Answer:

The surface area of the ball is of 29 square inches.

The volume of the ball is of 15 cubic inches.

Step-by-step explanation:

The ball has an spherical format:

Circumference of a sphere:

The circumference of a sphere is 6.2832 times the radius.

Surface area

$A = 4\pi r$

In which r is the radius.

Volume:

$V = \frac{4\pi r^3}{3}$

The circumference of the ball is 9.4 inches.

So the radius is:

$6.2832r = 9.4$

$r = \frac{9.4}{6.2832} = 1.53$

Surface area

$A = 4\pi(1.53)^2 = 29.3$

Rounding to the nearest unit, the surface area of the ball is of 29 square inches.

Volume:

$V = \frac{4\pi (1.53)^3}{3} = 14.9$

Rounding to the nearest unit, the volume of the ball is of 15 cubic inches.

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3 years ago

If 1 yard = 3 feet and 1 mile = 5,280 feet, how many yards are there in 4 miles?

enyata [817]

Answer:

Your answer is A 7,040 yards.

Step-by-step explanation:

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4 years ago

I will give brainiest if random will report please include the expression in answer

Mandarinka [93]

(m - 1/2) + 25

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3 years ago

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Which expressions are equivalent?

Phoenix [80]

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4 years ago

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Ivan rented a truck for one day. There was a base fee of $20.95, and there was an additional charge of 98 cents for each mile dr

beks73 [17]

Answer:

222 miles.

Step-by-step explanation:

Lets create an equation to solve this easier.

Let x represent the miles driven in the truck.

Our equation is 238.51=.98x+20.95

All we have to do now is solve for x.

Subtract 20.95 on both sides.

217.56=.98x

Now divide both sides by .98 to isolate the variable.

222=x

Ivan drove the truck 222 miles.

Hope this helps!

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4 years ago