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alexira [117]
4 years ago
13

ALGEBRA! NEED HELP!

Mathematics
2 answers:
Nimfa-mama [501]4 years ago
7 0
Since each edge's length is x, each face's are would be { x }^{ 2 }
And cubes have 6 faces. multiply 6 by { x }^{ 2 }, the formula is :6{ x }^{ 2 }
Amiraneli [1.4K]4 years ago
6 0
Surface area of a cube
cube=6 squares
square=2 equal sides
area of square=side^2
surface area of cube=6(area of square)=6side^2
side=x
SA=6x^2
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in complete sentences, explain the process in which this equation would be solved. “Mr Crenshaw can grade one set of papers in 1
hammer [34]

Answer:

6 minutes

Step-by-step explanation:

Mr Crenshaw checks at a rate of 1/10 and Mr. Aguirre checks at a rate of 1/15.

If they work together, they will be checking at a combined rate of:

1/10 + 1/15 = [3(1) + 2(1)]/30

= 5/30 = 1/6

Their combined rate is 1/6 which means they check one set in 6 minutes

3 0
3 years ago
What's 10 3/4 - 7 1/4?
leva [86]
10  \frac{3}{4} - 7 \frac{1}{4} \\ \\   \frac{10 \times 4 + 3}{4} -7 \frac{1}{4} \\ \\  \frac{43}{4} - y \frac{1}{4} \\ \\  \frac{43}{4} -  \frac{7 \times 4 + 1}{4} \\ \\  \frac{43}{4} -  \frac{29}{4} \\ \\  \frac{43-29}{4} \\ \\  \frac{14}{4} \\ \\  \frac{7}{2} \\ \\ 3 \frac{1}{2} \\ \\ Answer: \fbox {3 \ 1/2} \ or \ \fbox {3.5}
5 0
3 years ago
1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15
Inessa [10]

Answer:

\frac{4+16a^3+23a^3}{a^2}

Step-by-step explanation:

Given

1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15

Required

Simplify

1/a^2-3a+2 + 1/a^2-5a+6 + 2/a^2-8a+15

Collect Like Terms

1/a^2 + 1/a^2 + 2/a^2-3a-5a-8a+2+6+15

1/a^2 + 1/a^2 + 2/a^2-16a+23

Add Fractions:

\frac{1+1+2}{a^2} + 16a + 23

\frac{4}{a^2} + 16a + 23

This can be further expressed as:

\frac{4+16a^3+23a^3}{a^2}

4 0
3 years ago
What is the solution to the system of 4x-3y=1 and y+2x=3?
Svetradugi [14.3K]
By any chance will it be (1,1)
3 0
3 years ago
Read 2 more answers
I need help with these questions. PLEASE HELP
Svetach [21]
The answers are MK and PY and AH.
5 0
3 years ago
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