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3 years ago

It takes 300 gallons of water to produce one pound of

Mathematics

1 answer:

slavikrds [6]3 years ago

6 0

Answer: 2400

Step-by-step explanation:

for every pound there is 300 gallons, so

300 x 8 = 2400

Hope this helps!

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If a scalene triangle has its measures 4 m, 11 m and 8 m, find the largest angle.

soldier1979 [14.2K]

Answer:

129.8 approximately

Step-by-step explanation:

So this sounds like a problem for the Law of Cosines. The largest angle is always opposite the largest side in a triangle.

So 11 is the largest side so the angle opposite to it is what we are trying to find. Let's call that angle, X.

My math is case sensitive.

X is the angle opposite to the side x.

Law of cosines formula is:

$x^2=a^2+b^2-2ab \cos(X)$

So we are looking for X.

We know x=11, a=4, and b=8 (it didn't matter if you called b=4 and a=8).

$11^2=4^2+8^2-2(4)(8)\cos(X)$

$121=16+64-64\cos(X)$

$121=80-64\cos(X)$

Subtract 80 on both sides:

$121-80=-64\cos(X)$

$41=-64\cos(X)$

Divide both sides by -64:

$\frac{41}{-64}=\cos(X)$

Now do the inverse of cosine of both sides or just arccos( )

[these are same thing]

$\arccos(\frac{-41}{64})=X$

Time for the calculator:

X=129.8 approximately

3 0

3 years ago

Which term best describes the angle below? A. Right B. Obtuse C. Acute D. Straight

Ratling [72]

Answer:

it is C acute angle

Step-by-step explanation:

brainliest plz

7 0

2 years ago

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my teacher has 30 red apples and 40 green apples is she adds all of them together how many will she have

maksim [4K]

She will have 70 green apples

7 0

3 years ago

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No pic/link just type answer pls.

Genrish500 [490]

Answer:

This problem requires you to use the equation for the volume of a cone. The equation is $\pi r^{2}\frac{h}{3}$ . Plug in the corresponding numbers to solve the equation. The equation should be $\pi (3\frac{3}{16})^{2} \frac{9\frac{3}{4} }{3}$ . Simplify the equation to get 103.74 $in^{3}$ .