3 years ago

Hey can you help me fast!!

Mathematics

1 answer:

madreJ [45]3 years ago

7 0

I think it’s 36 square feet

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7/10 ÷ 1/5 <br> pls i need help

blondinia [14]

7/10 ÷ 1/5 = 3 1/2 because if you just find the reciprocal of the second number (in this case 1/5) and then simply multiply the two numbers straight across after you find the reciprocal, you will need to convert and simplify as needed, and then you get your answer.

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3 years ago

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Thepotemich [5.8K]

There are 62.5 pounds of rib eye steaks at the supermarket

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2 years ago

An open box is constructed from a square 10-inch piece of cardboard by cutting squares of length x inches out of each corner and

Colt1911 [192]

Answer: V = 8x^3-80x^3 +200x

Domain 0<x<5

Step-by-step explanation:

Dimension of cardboard = 10 by 10

Let the length of box = 10-2x

Let the width of box = 10 - 2x

Let the height of box be =x

Volume = l×w×h

V = (10-2x)×(10-2x)×x

V= 100 - 40x +42 × x

V= 8x^3 -80x^2 +200x

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3 years ago

A blue boat and a red boat are on the same side of a lake and are 18 miles apart. The blue boat is 30 miles from a lighthouse on

rewona [7]

9514 1404 393

Answer:

red boat distance: 42 miles
angle at lighthouse: 22°

Step-by-step explanation:

The Law of Cosines can be used to find the distance from the red boat to the lighthouse.

b² = l² +r² -2lr·cos(B)

b² = 18² +30² +2·18·30·cos(120°) = 1764

b = √1764 = 42

The distance from the red boat to the lighthouse is 42 miles.

The angle at the lighthouse can be found using the law of sines.

sin(L)/l = sin(B)/b

L = arcsin(l/b·sin(B)) = arcsin(18/42·sin(120°)) ≈ 21.79°

The angle between the boats measured at the lighthouse is about 22°.

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3 years ago

What is 10 * 2.4 + 13.5 in word form

shutvik [7]

Ten times two and four tenths plus thirteen and five tenths

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3 years ago