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ki77a [65]
2 years ago
5

PLEASE HELP!!!!!

Mathematics
1 answer:
kirza4 [7]2 years ago
3 0

Answer:

Surface area = 96 m^2

Step-by-step explanation:

Let's cube root the volume to find the length of one side of the cube.

64^\frac{1}{3} = 4

Therefore each side is 4 m.

Surface area of one side = 4x4 = 16

A cube has 6 sides.

Total surface area of the cube = 16*6 = 96 m^2

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The area of a rectangular invitation card is 3/10 square foot. Given that the length of the card is 4/5 foot find its perimeter
Andrei [34K]
The perimeter would be 3/8+3/8+4/5+4/5= 2.35 or 2 7/20 square foot.
I hope this helps.
YOU'RE WELCOME :D
8 0
3 years ago
Diego is solving this system of equations:
USPshnik [31]

The solutions of the equations are x = 1 and y = 2

The system of equations are

4x + 3y = 10

-4x + 5y = 6

Here we have to use the elimination method. Eliminate the x term and find the value of y term

Add both equation

3y + 5y = 10 +6

Add the like terms

8y = 16

y = 16 / 8

Divide  the terms

y = 2

Substitute the value of x in the first equation

4x + 3y = 10

4x + 3×2 =  10

Multiply the terms

4x + 6  = 10

4x = 10 - 6

4x = 4

x = 4 / 4

Divide the terms

x = 1

Hence, the solutions of the equations are x = 1 and y = 2

Learn more about elimination method here

brainly.com/question/14619835

#SPJ1

7 0
2 years ago
To create an entry code, you must first choose 2 letters and then 2 single digit numbers. How many entry codes can you create?
ivann1987 [24]

Answer:

55600

Step-by-step explanation:

First times the number of possibilities of the amount of letters it could be so 26X26 as it is a non consecutive possibility that means both letters have the possibility to be the same. Then take the product of 26X26 and multiply it by the possibilities of the first number which is 10 then repeat that by again multiplying the product by 10 to represent the number of possibilities for the second number

3 0
3 years ago
(x + 1)^2 = 3x – 1 solving Quadratics ?
Deffense [45]

Step-by-step explanation:

(x + 1)^{2}  = 3x - 1 \\  \\  \therefore \:  {x }^{2}  + 2x + 1 = 3x - 1 \\  \\ \therefore \:  {x }^{2}  + 2x + 1  -  3x  + 1 = 0\\  \\ \therefore \:  {x }^{2}  + 2x  -  3x + 1 - 1 = 0 \\  \\ \therefore \:  {x }^{2}  - x  = 0 \\  \\ \therefore \:  x(x - 1) = 0 \\  \\ \therefore \: x = 0 \:  \: or \:  \: x - 1 = 0 \\  \\ \therefore \: x = 0 \:  \: or \:  \: x = 1 \\  \\  \huge{ \red{ \boxed{\therefore \: x =  \{0, \:  \: 1 \}}}}

5 0
3 years ago
Read 2 more answers
Heather was asked to graph 2x + 4y = 12 by using slope and y-intercept. Her graph is shown.
blagie [28]
The problem statement says "the graph is shown," but you haven't shared it.  Please do that if possible.  Thank you.

<span>Heather was asked to graph 2x + 4y = 12 by using slope and y-intercept.

We can quickly put this into slope-intercept form:  
                                                                                                 12 - 2x
Subtract 2x from both sides:  2x - 2x + 4y = 12 - 2x  =>   y = ------------ 
                                                                                                      4

In simplest form, this is y = 3 - (1/2)x, or (-1/2)x + 3.  The slope is -1/2 and the y-intercept is (0,3).</span>
6 0
3 years ago
Read 2 more answers
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