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Papessa [141]
3 years ago
5

The fraction of a dime that is made up of copper is 12/16. Write this fraction as a decimal

Mathematics
1 answer:
Valentin [98]3 years ago
4 0

Answer:

0.75

Step-by-step explanation:

we have the fraction

\frac{12}{16}

Simplify

Divide by 4 both numerator and denominator

\frac{12/4}{16/4}

\frac{3}{4}

To convert a fraction as a decimal, divide the numerator by the denominator

so

\frac{3}{4}=0.75

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Trina has $1000 to purchase an open-top cylindrical dog pen in her backyard. She wants the height of the pen to be 5 feet. If th
RideAnS [48]

Answer:

C. 31.83 feet.

Step-by-step explanation:

We have been given that Trina has $1000 to purchase an open-top cylindrical dog pen in her backyard. She wants the height of the pen to be 5 feet.

First of all, we will find the surface area of dog pen using surface area of cylinder.

\text{Surface area of cylinder}=2\pi rh,where,

r = Radius of cylinder,

h = Height of cylinder.

\text{Surface area of cylinder}=2\pi r*5

\text{Surface area of cylinder}=10\pi r

Since the area of each square foot of pen costs $1, so in $1000 Trina can cover an area of 1000 square feet.

Now, we will set the surface area of cylinder equal to 1000 to solve for the radius.

1000=10\pi r

Upon dividing both sides of our equation by 10 pi we will get,

\frac{1000}{10\pi}=\frac{10\pi r}{10\pi}

31.8309886=r

r\approx 31.83

Therefore, the radius of the dog pen is 31.83 feet and option C is the correct choice.

4 0
3 years ago
What is (4c)^2d ?<br> c = 5 and d = 8
Arte-miy333 [17]

Answer:

  3200

Step-by-step explanation:

Replace the variables with their values and do the arithmetic.

  (4·5)²·8 = 20²·8 = 400·8 = 3200

6 0
3 years ago
Been struggling with this question can someone help?
Genrish500 [490]

Answer:

a and b

Step-by-step explanation:

............. ...... ..

4 0
3 years ago
Read 2 more answers
Boris drove 240 miles using 9 gallons of gas. At this rate, how many gallons of gas would he need to drive 216 miles?
satela [25.4K]
Use proportion to solve this.
240 miles needs 9 gallons
216 miles needs (9÷240) × 216 = 8.1 gallons

Hope it helped!
6 0
3 years ago
Read 2 more answers
PLEASE HELP! My friend and i cant figure out the answer!!! i attached a picture of the question please help us!!!
satela [25.4K]

Answer:

a.6.66

b.384

c.860

d.166

Step-by-step explanation:

6 0
3 years ago
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