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2 years ago

What is 4/5 of 20? I thought it was 16 but apparently that was wrong??? I even looked it up

Mathematics

2 answers:

Vilka [71]2 years ago

6 0

Yeah 4/5 of 20 is 16, unless the source which said otherwise was wrong itself

Simora [160]2 years ago

3 0

Step-by-step explanation:

divided 20 by 5 times that by 4

20 divided by 5 is 4

4x4 is 16 its 16 you got it right

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Solve y 4y-17=43 simplify the answer

barxatty [35]

4y-17=43

move -17 to the other side

sign changes from -17 to +17

4y-17+17=43+17

4y=43+17

4y=60

divide both sides by 4 to get y by itself

4y/4=60/4

answer:

y=15

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3 years ago

What is the algebraic expression for "the difference between seven times a number and three times that number"? 7 - 3 x 7 x - 3

DedPeter [7]

7x-3x is prob the answer

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3 years ago

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Mumz [18]

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3 years ago

A silo is not the shape of a cone. The silo is 8 meters tall and it's base has a diameter of 3 meters. Soybeans cost $414 per cu

Gnom [1K]

Answer:

$7803.72

Step-by-step explanation:

We have been given that a silo is in the shape of a cone. The silo is 8 meters tall and it's base has a diameter of 3 meters. Soybeans cost $414 per cubic meter. We are asked to find the total cost to fill the silo with soybeans.

First of all, we will find the volume of silo using volume of cone formula.

$\text{Volume of cone}=\frac{1}{3}\pi r^2 h$ , where,

r = radius

h = Height

We know that radius is half the diameter, so radius of silo would be $r=\frac{3}{2}=1.5$ .

$\text{Volume of cone}=\frac{1}{3}\pi (1.5\text{ m})^2 (8)\text{ m}$

$\text{Volume of cone}=\frac{1}{3}\pi\times 2.25\text{ m}^2 (8)\text{ m}$

$\text{Volume of cone}=\pi\times 0.75\text{ m}^2 (8)\text{ m}$

$\text{Volume of cone}=\pi\times 6\text{ m}^3$

$\text{Volume of cone}=18.8495559\text{ m}^3$

Now we will multiply total volume by $414 to find total cost.\

$\text{Total cost of soybeans}=\$414 \times 18.8495559$

$\text{Total cost of soybeans}=\$7803.7161426$

$\text{Total cost of soybeans}\approx \$7803.72$

Therefore, it will cost $7803.72 to fill the silo with soybeans.

5 0

3 years ago

Help pls I will give brainliest to whoever answers best

katovenus [111]

Step-by-step explanation:

its 60

7 0

3 years ago