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Zinaida [17]
4 years ago
8

Three fifths plus one fourth

Mathematics
1 answer:
kupik [55]4 years ago
4 0

Answer:

17/20

Step-by-step explanation:

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Geometry matching help
o-na [289]

Answer:

Ellipse C

Circle E

Sphere B

Great Circle D

Triangle A

Step-by-step explanation:

Cross sections are slices through a 3d figure to create a 2d shape. A cone creates a circle and triangle. A sphere creates a great circle. A cylinder creates an ellipse. Rotating a semi circle around an axis creates a sphere.

7 0
3 years ago
Four gallons of paint are used to paint 25 chairs. If each chair used the same amount of paint, how many gallons are used to pai
Sophie [7]
0.16 gallons of paint are used on each chair. The answer lies between 0 and 1.
4 0
3 years ago
The Hoover Dam in the U.S produces 2 x 10 ^9 Watts of electricity and is composed of 7 x 10^9 kg of concrete. Concrete requires
kondaur [170]

Answer:

1) 7 x 10^{15} J

2) 40.5 days

Step-by-step explanation:

1) First of all we use 1MJ=1x10^{6}J so the total energy will be 7x10^{9} kg * 1x10^{6} \frac{J}{kg} =7x10^{15}J.

2)Then we use 1W=1\frac{J}{s} and Time=\frac{7 x 10^{15} J }{2x10^{9}J/s} =3.5x10^{6}s or 3.5x10^{6}s*\frac{1h}{3600s}*\frac{1day}{24h} =40.5 days

4 0
3 years ago
What value of n makes the statement true?<br> 6x^n• 4x^2=24x^6<br> n =
aleksandr82 [10.1K]

Answer:

n =4

Step-by-step explanation:

6x^n• 4x^2=24x^6

Combine like terms

24 x^n *x^2 = 24 x^6

We know that a^b * a^c = a^(b+c)

24 x^(n +2) = 24 x^6

Divide each side by 24

x^(n +2) = x^6

The bases are the same so the exponents are the same

n+2 = 6

Subtract 2

n+2-2 = 6-2

n=4

4 0
3 years ago
Answer the question on the attachement
Mama L [17]
Answer: 6 cups of water
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3 years ago
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