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Sever21 [200]
3 years ago
13

Hiii need help I'm in exam​

Mathematics
1 answer:
Gnesinka [82]3 years ago
8 0
8x^2 plus 8x , use the box method ! It is very helpful for area and any other multiplication
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If two lines never intersect when graphed. Which of the following best describe the number of solution to this system of linear
serg [7]

Think of when If you cross two lines you get a point where they meet

A point is a solution.

So if the lines never cross, then they would have no point, or A, No Solution

3 0
4 years ago
10^7+9+1^3<br> Found it on khan
ryzh [129]
It would be 10000010. Have a good day
5 0
3 years ago
Which expression represents rational numbers? Select all that apply
Masja [62]

Answer:

A, B, C and F

Step-by-step explanation:

We have according to the options:

A. \sqrt{100} \times \sqrt{100}=10\times 10=20

B. 13.5+\sqrt{81} =13.5+9=22.5

C. \sqrt{9}+\sqrt{729}=3+27=30

D. \sqrt{64}+\sqrt{353}=8+\sqrt{353}, which is not rational.

E. \frac{1}{3}+\sqrt{216}=0.3+6\sqrt{6}, which is not rational.

F. \frac{3}{5}+2.5=0.6+2.5=3.1

Hence, the expressions representing rational numbers are A, B, C and F.

5 0
4 years ago
Read 2 more answers
HELPPP
alexdok [17]

Answer:

  7 boxes

Step-by-step explanation:

The area of a rectangular prism is given by the formula ...

  A = 2(LW +H(L+W))

The amount of wallpaper Carmen needs for one box is found by computing the area of the box.

__

<h3>One box</h3>

  A = 2(5·6 +7(5+6)) = 2(30 +7·11) = 2(107) = 214 . . . square feet

<h3>All boxes</h3>

  Carmen will be using a total of 214x square feet of wallpaper to cover x boxes. She has 1498 ft² available, so can cover ...

  1498 ft²/(214 ft²/box) = 7 boxes

Carmen has enough wallpaper to cover 7 storage boxes.

7 0
2 years ago
Which table represents a proportional relationship that has a constant of proportionality equal to 0.8?
Andrej [43]

Answer:

Column #1 - 0,5,10,12.5

Column #2 - 0.8

Step-by-step explanation:

5 0
3 years ago
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