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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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I need help on this problem (4x+8)+(7x+3)​
SpyIntel [72]
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➷ You have to collect like terms

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4 0
3 years ago
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10. Solve using substitution.<br> x - 2y = 3 3x + y = -5
nasty-shy [4]

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5 0
3 years ago
Please help explanation if possible
poizon [28]

Step-by-step explanation:

Hi there!

The given equation is:

y = -2x + 5………………(i)

Comparing the equation with y = mx+c, we get;

m1 = -2

Also another equation of the line which passes through point (-4,2), we get;

(y-2) = m2(X+4)............(ii) { using the formula (y-y1) = m2(x-x2)}

According to the question, they are perpendicular to eachother, So according to the condition of perpendicular lines;

m1*m2 = -1

-2*m2 = -1

or, m2 = 1/2.

Therefore, m2= 1/2.

Now, keeping the value of m2 in equation (ii).

(y-2) = 1/2(x+4)

y = (1/2)x + 4

Therefore, the required equation is: y = (1/2)x + 4.

<u>Hope</u><u> it</u><u> helps</u><u>!</u>

3 0
3 years ago
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Brilliant_brown [7]

Answer:

D

Step-by-step explanation:

if you look at the chart. it goes up five and has a width of 2. multiply 5 x 2 = you get 10

3 0
2 years ago
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