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xxMikexx [17]
2 years ago
12

If the area of one face of a cube is 64cm^2, what is the cube's surface area? Please enter your answer in numbers only, don't en

ter the units.
Mathematics
2 answers:
Dafna1 [17]2 years ago
6 0
Since the area of one side of a cube is 64, you can find the surface area by adding the rest of the 5 sides which is:
64+64+64+64+64+64=384
Alecsey [184]2 years ago
4 0

Answer:

4096

Step-by-step explanation:

i think that is the answer because are you have to multiple them

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Hello people of the world whats 2+2
9966 [12]

Answer:4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Help with this please will give brainliest!
Viktor [21]

Answer:

y = 3/2 x - 11

Step-by-step explanation:

y = -2/3 x + 5; slope = -2/3

Perpendicular line, slope is reciprocal and opposite so slope of the line that is perpendicular to the y = -2/3 x + 5 is 3/2

Passes through (8,1)

Equation

y -1 = 3/2 (x - 8)

y - 1 = 3/2 x - 12

y = 3/2 x - 11

7 0
3 years ago
How do you write 6x=7y in standard form
Anastasy [175]
Standard form is ax+by=c
mnus 7y both sides
6x-7y=0
5 0
3 years ago
In Psychology 101, the ratio of the number of girls to the number of boys is 3:1. After one girl drops the class and three more
aleksley [76]

Alright, lets get started.

Suppose the initial number of girls = x

Suppose the initial number of boys = y

The ratio of the number of girls to the number of boys is 3:1 (given in question)

x/y = 3/1

Cross multiply

x = 3 y ...............................equation (1)

one girl drops the class and three more boys sign up means new number of gilrs = x - 1

New number of boys = y + 3

the ratio of the number of girls to the number of boys becomes 5:2

(x-1) / (y+3) = 5/2

Cross multiplying

2 (x-1) = 5 (y+3)

2 x - 2 = 5 y + 15

Adding 2 in both sides

2 x - 2 + 2 = 5 y + 15 + 2

2 x = 5 y + 17 ..........................equation (2)

Putting value of x from equation 1 in equation 2

2 (3 y) = 5 y + 17

6 y = 5 y + 17

Subtracting 5 y in both sides

6 y - 5 y = 5 y + 17 - 5 y

y = 17

Putting the value of y in equation 1

x = 3 * 17 = 51

x = 51

After the changes, 1 girl drops : 51 - 1 = 50 new numbers of girls

After the changes, 3 more boys sign up : 17 + 3 = 20 new number of boys

So, total students in the class after changes : 50 + 20 = 70 students : Answer

Hope it will help :)

6 0
3 years ago
Which of the following is the equation of a line perpendicular to the line
Taya2010 [7]

Answer:

  • A. - 2x + 3y = 21

Step-by-step explanation:

The perpendicular lines have opposite reciprocal slopes.

<u>The given line has a slope of:</u>

  • m = -3/2

<u>The perpendicular slope is:</u>

  • m = 2/3

<u>And its y-intercept is:</u>

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  • b = 7

<u>The line is:</u>

  • y = 2/3x + 7

<u>Convert this into standard form and compare with answer choices:</u>

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  • - 2x + 3y = 21

Correct choice is A

3 0
2 years ago
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