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3 years ago

Surface area measures the area of the faces. Area is a blank dimensional measurement, so it is measured in square units.

Mathematics

1 answer:

dlinn [17]3 years ago

6 0

Answer:

2d or 2 dimensional is the answer i think

Step-by-step explanation:

since area is measured for 2d shapes and surface area is just finding the area of each side separately and adding it together

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What is the solution to this equation?

andreev551 [17]

Answer:b.-10

Step-by-step explanation:

You move the 8 to the other side it becomes negative then u combine liked terms and get x=-10

6 0

3 years ago

X= 2 y-4<br> 7 x + 5y = -66

Mars2501 [29]

Answer:

−7x−5y=4 - 7 x - 5 y = 4. Rewrite in slope-intercept form. Tap for more steps... The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is ...

Step-by-step explanation:

6 0

3 years ago

LOTS OF POINTS <br> Simplify the expression by factoring, showing the steps in your work

julia-pushkina [17]

Answer:

$\frac{3x+7}{4x+1}$

Step-by-step explanation:

$\frac{12x^2+31x+7}{16x^2+8x+1}$

First you factor $12x^2+31x+7$ :

$=\left(12x^2+3x\right)+\left(28x+7\right)$

Then you factor out $3x$ from $12x^2+3x$ :

$12x^2+3x$

$=12xx+3x$

$=3\cdot \:4xx+3x$

$=3x\left(4x+1\right)$

Then you factor out 7 from $28x+7$ :

$28x+7$

$=7\cdot \:4x+7$

$=7\left(4x+1\right)$

$=3x\left(4x+1\right)+7\left(4x+1\right)$

Factor out common term $4x+1$ :

$=\left(4x+1\right)\left(3x+7\right)$

$\frac{\left(4x+1\right)\left(3x+7\right)}{16x^2+8x+1}$

Factor $16x^2+8x+1$ :

$=4^2x^2+8x+1$

$=4^2x^2+8x+1^2$

$=\left(4x\right)^2+8x+1^2$

$=\left(4x\right)^2+2\cdot \:4x\cdot \:1+1^2$

Use the perfect square formula:

$=\left(4x+1\right)^2$

$\frac{\left(4x+1\right)\left(3x+7\right)}{\left(4x+1\right)^2}$

Cancel out common factor $4x+1$ :

$=\frac{3x+7}{4x+1}$

8 0

3 years ago

Hey guys, I know this is a lot so I am offering a lot of points. I was stumped on this paper, I just need a little help on how t

Llana [10]

So for number one, you would have to divide the number by the one being multiplied. I’ll do the first one and you can do the second one, comment if you need help.
(4)*_=-12 —> -12/4 = -3
Check : -3*4 = -12
The answer would be -3.
For the second one, multiply all the numbers first and find the actual answer.
(4)*(-7)*(-1) —> 4 * -7 = -28 —> -28 * -1 = 28
Then multiply their answers.
Evangelina : (-28)*(-1) = 28
Josh : (4)*(7) = 28

Now check who has the right answer and explain why.

For number three, use the letters and plug in the values that are being given to you.

e —> -e
-e * f = -15
-e * g = 6
f * g = -10

Now solve from there!

I really hope I helped, comment if you have any questions:)

5 0

3 years ago

Mike is playing a game using a number cube and a quarter. He tosses both at the same time. What are all the possible outcomes du

andreyandreev [35.5K]

Answer:

by number cube i assume you mean a dice

so...

1 & heads

1 & tails

2 & heads

2 & tails

3 & heads

3 & tails

4 & heads

4 & tails

5 & heads

5 & tails

6 & heads

6 & tails

Step-by-step explanation:

so in total...

4 0

3 years ago