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Degger [83]
3 years ago
5

Two identical number cubes are shown in the picture above. The edge length of these number cubes is 7 centimeters.

Mathematics
1 answer:
Alex787 [66]3 years ago
3 0

Answer:

686³

Step-by-step explanation:

To find the answer first take 7 and multiply it by 7 to get 49. That is the area of the base of the cube. Now take 49 and multiply by 7 one more time to get the volume of one cube which is 343³. Now multiply this by 2 to get the volume of two cubes which is 686³ as your answer.

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Please show work
OlgaM077 [116]

Answer:

3.7hours

Step-by-step explanation:

Step one:

A car travels 360 miles in 8 hours

the speed is calculated as

speed= distance/time

speed= 360/8

speed= 45mph

Step two:

How much time will it take traveling 168 miles?

having found the speed, which is the rate at which the car is tavelling

time= distance/speed

time= 168/45

time= 3.7hours

8 0
3 years ago
Help with this question please
ahrayia [7]
20/8=2’5”
So the larger triangle is bigger by 2.5
So you times 5’6” by 2.5 to get your answer which is 14 ft

Hope this helps
3 0
3 years ago
A 20-foot ladder leans up against the side of a building so that the foot of the ladder is 10 feet from the base of the building
harina [27]

Answer:

17.3

Step-by-step explanation:

To solve this equation, you need to use the pythagorean theorem which is:

a^{2} +b^{2}= c^{2}

a= length

b= height

c= hypotenuse

First, substitute in your values for the equation:

10^2+b^{2} =20^{2}

Then, use the squares in the equation:

100+b^{2} =400

Then, subtract 100 from both sides to isolate b:

b^{2} =300

Finally, square root both sides to get your answer:

b=17.3205080757

Then round to the nearest tenth which gives you 17.3.

6 0
2 years ago
What is the equation that represents the line that passes through the point (2,6) and has a slope of -5?
tiny-mole [99]

Answer:

y = - 5x + 16

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 5, thus

y = - 5x + c ← is the partial equation of the line

To find c substitute (2, 6) into the partial equation

6 = - 10 + c ⇒ c = 6 + 10 = 16

y = - 5x + 16 ← equation of line

3 0
3 years ago
Khan uses 78 feet of fence to make a rectangular pen for his pet rabbit. The length of the pen is 25 feet what is the width of t
Vinil7 [7]

Answer:

53 feet

Step-by-step explanation:

78-25=53

Hope this helps :)

3 0
3 years ago
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