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3 years ago

Write an equation. Twice the length of a segment x is 9ft

Mathematics

1 answer:

dimaraw [331]3 years ago

4 0

2x=9
x meaning the segment

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Please I need help with this question.<br>No 22. Is very important.<br>Thank you.

kvv77 [185]

Answer:

C. $132m^3$

Step-by-step explanation:

Height = 4

Length = 6

Breadth = 7

Note : We were asked to find volume of the cuboid

Since, it has a base in the shape of a right angle triangle , we need to find the Area of the trapezium before calculating the total volume.

Step 1

Find the area of the trapezium

Area of a trapezium = $\frac{1}{2} (a+b)h$

$\frac{1}{2} (4+7)*4$

$\frac{1}{2} (11)4\\$

$\frac{1}{2} *44\\= 22$

Step 2

Calculate the volume of the cuboid

Volume of a cuboid =length× breadth × height

In this case , the volume will be our length × Area of a trapezium

V= 6 × 22

V = $132m^3$

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Slav-nsk [51]

Will you please provide more information and state a clear question

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sweet [91]

Answer: 2/1x

Step-by-step explanation:

you follow the graph from the y intercept to the next point

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Mary's children decide to run a lemonade stand to earn some extra money.The cost to start the business is $1.20 and each cup of

o-na [289]

They must sell, 30 cups of lemonade. How I got my answer.

Since it cost $1.20 to start, and a cup of lemonade cost $0.6 to make and there selling them at $0.10 each. So we know they are making a $0.4 profit off of each cup of lemonade. We now have to multiply 4×30=120.

I hope this helps!

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-7x .........................

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