HELP ME HELP ME AAAAAAAAAAAAAAAAAAA HELP

Answers

Answer 1

Answer: since they are all paralell
1=4=5=8=9=12
2=3=6=7=11=10
2=129=
since that is a straignth line
2+4=180
4=12
2+12=180
subsitue
129+12=180
subtract 129 from both sdies
12=51

the answer is A 51

Answer 2

Answer:

Answer:

since they are all paralell

1=4=5=8=9=12

2=3=6=7=11=10

2=129=

since that is a straignth line

2+4=180

4=12

2+12=180

subsitue

129+12=180

subtract 129 from both sdies

12=51

Step-by-step explanation:

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A shoe box is 10 inches long and 6 inches wide. It is 3 inches tall. Sage is wrapping the shoe box and determined that she needs 20% more than the total surface area in gift wrap to cover the box and account for overlap. How many square inches of gift wrap does she need?

Answers

Answer: $360\ in^2$

Step-by-step explanation:

For this exercise you need to use the folllowing formula for calculate the Surface area of a Rectangular prism:

$SA = 2wl + 2lh + 2hw$

Where "l" is the length, "w" is the width and "h" is the height of the prism.

In this case you can identify that:

$l=10\ in\n\nw=6\ in\n\nh=3\ in$

Therefore, substituting values, you get that the surface area of the shoe box is:

$SA = 2(6\ in)(10\ in) + 2(10\ in)(3\ in) + 2(10\ in)(6\ in)\n\nSA=300\ in^2$

The 20% of this surface area is:

$(300\ in^2)(0.20)=60\ in^2$

Since she needs 20% more than the total surface area in gift wrap to cover the box and account for overlap, you get that total amount of square inches of gift wrap that she needs is:

$Total=300\ in^2+60\ in^2=360\ in^2$

Solve by elimination
x+2y=-7
x-5y=7

Answers

$\left \{ {{x+2y=-7} \atop {x-5y=7\ \ | multiply\ by\ -1}} \right. \n\n \left \{ {{x+2y=-7} \atop {-x+5y=-7}} \right. \n+-----\n addition\ method\n\n 7y=-14 \ \ \ | divide\ by\ 7\n\n y=-2\n\n substitute\ y=-2\ to\ first\ equation\n\nx=-7-2y=-7+4=-3\n\nx=-3$

$\left\{\begin{array}{ccc}x+2y=-7\nx-5y=7&|multiply\ both\ sides\ by\ (-1)\end{array}\right\n\underline{+\left\{\begin{array}{ccc}x+2y=-7\n-x+5y=-7\end{array}\right}\ \ \ \ |add\ both\ sides\ of the\ equations\n.\ \ \ \ \ \ \ \ 7y=-14\ \ \ \ |divide\ both\ sides\ by\ 7\n.\ \ \ \ \ \ \ \ \boxed{y=-2}\n\nput\ the\ value\ of\$

(3x+4)^3=2197 solve this equation

Answers

(3x + 4)³ = 2197

Taking the cube root in this case is easier, although we can do it the extended way which is complicated.

$\sqrt[3]{(3x+4)^3}$ = $\sqrt[3]{2197}$
3x + 4 = 13

Now solve normally.

subtract 4
3x + 4 = 13
-4 -4

3x = 9
Divide by 3 to isolate 3

$(3x)/(3) = (9)/(3)$
3 and 3 cancels out

x = 3

(3x+4)³=2197

3x+4=z

z³=2197
z=∛2197
z=13

Then:
3x+4=13
3x=13-4
3x=9
x=9/3
x=3

answer: x=3

Bryson buys a bag of 64 plastic miniature dinosaurs . could he distribute them equally into six storage containers and not have any left over?explain .

Answers

Okay so first you would ask your self does 64 divide by 6? So take out your calculator and divided 64 by 6. Doing so you find out the answer is 10.6 (repeating)
So each storage container would get 10? No that doesn't sound right, instead you have to turn the repeating 6 into a fraction so it would be each storage container gets 10 2/3 of a dinosaur.

When I triple my number and add five I get 26 what is my number

Answers

Let the number be X
3x+5=26
3x= 26-5
3x=21
x=7
The number is 7

Proof if it is required on your test:
3x+5=26
3(7)+5= 26
21+5=26
26=26

(Hope this helps!)

My numbe is 7 because...

3x + 5 = 26
- 5 = 21
3x = 21
Divide 3x by 3 then 21 by 3
That leaves with 1x = 7

Write two ways you could use to find 5+8

Answers

Answer:

First is 5 +8 = 13 and Second is 8 +5 = 13 .

Step-by-step explanation:

Given : 5+8.

To find : Write two ways you could use to find 5+8 .

Solution : We have given that 5 + 8.

First is 5 +8 = 13

Second is 8 +5 = 13 .

Therefore, First is 5 +8 = 13 and Second is 8 +5 = 13 .

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