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Natasha2012 [34]
3 years ago
5

The question is: Solve for a and b in the picture.

Mathematics
1 answer:
vichka [17]3 years ago
6 0

Answer:

a=13 b =10.5

Step-by-step explanation:

bjhdlsksbsknssnfbsn

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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

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3 years ago
Mr. Omar assigns homework to his class and the homework requires students to
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Answer: no he is not correct
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Answer:

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Step-by-step explanation:

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2 years ago
Which dot plot shows a sample that is most representative of the number of pets in a household?
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Answer:

The answer is C

Step-by-step explanation:

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2 years ago
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