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galina1969 [7]
2 years ago
10

Work must be shown, 15 points if answered, + brainlynessiest answer

Mathematics
1 answer:
Mkey [24]2 years ago
3 0

Answer:

40cm

Step-by-step explanation:

if the area is 100 then you have to do the square root of 100 which is 10.

each side is 10.

10 x 4 because 4 equal sides

40

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nirvana33 [79]

Answer:

njrdbtgawewct

3 0
3 years ago
A rectangular piece of metal is 25 in longer than it is wide. Squares with sides 5 in long are cut from the four corners and the
Licemer1 [7]

Answer:

The original length was 41 inches and the original width was 16 inches

Step-by-step explanation:

Let

x ----> the original length of the piece of​ metal

y ----> the original width of the piece of​ metal

we know that

When squares with sides 5 in long are cut from the four corners and the flaps are folded upward to form an open box

The dimensions of the box are

L=(x-10)\ in\\W=(y-10)\ in\\H=5\ in

The volume of the box is equal to

V=(x-10)(y-10)5

V=930\ in^3

so

930=(x-10)(y-10)5

simplify

186=(x-10)(y-10) -----> equation A

Remember that

The piece of metal is 25 in longer than it is wide

so

x=y+25 ----> equation B

substitute equation B in equation A

186=(y+25-10)(y-10)

solve for y

186=(y+15)(y-10)\\186=y^2-10y+15y-150\\y^2+5y-336=0

Solve the quadratic equation by graphing

using a graphing tool

The solution is y=16

see the attached figure

Find the value of x

x=16+25=41

therefore

The original length was 41 inches and the original width was 16 inches

3 0
3 years ago
Riley started selling bracelets. During the first month she sold 400 bracelets at $10 each. She tried raising the price, but for
love history [14]
I would just divide 400 and 10 and then try to come up with the salary
8 0
3 years ago
Help again pls im stuck andim timed
guapka [62]

Answer:

-7 degrees

Step-by-step explanation:

Make sure to double check, but I think this is the answer.

6 0
3 years ago
Read 2 more answers
Which table could be used with Table A to verify that the function modeling Fahrenheit temperature, F(C), based on a given Celsi
AURORKA [14]

Answer:

A:

C -20 -15 -5

F(C)  -4 5 23

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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