Please help me with this.

Answers

Answer 1

Answer: You need to use multiplication to find the total (answer). Multiply each number side by side.

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suppose Richard walks one kilometer every 10 minutes how many meters are there can you walk in an hour at this new rate

Answers

One kilometer is 1000 meters. One hour is 60 minutes, or six segments of 10 minutes each. If you can walk 1000 meters in 10 minutes, you can walk 6000 in an hour (that is REALLY fast, by the way)

I need the volume for 9,11,and 13

Answers

Hey there!

Question 1

Let's use 3.14 for pi during this. It'll make it a lot easier.

The volume for a cone is $\pi r^(2) (h)/(3)$ .

The diameter of this cone is 17.6 inches. Since the radius is half the diameter, we can find the radius by dividing this amount by 2.

17.6 ÷ 2 = 8.8

The height of this cone is 23.4 inches.

Plug the values into the equation.

$\pi 8.8^(2) (23.4)/(3)$

Next, square 6.8 and divide 23.4 by 3. Also, replace the pi symbol with 3.14.

$3.14 * 77.44 * 7.8$

Multiply the numbers together.

The volume of this cone is approximately 1896.66 cubic inches.

Question 2

Finding the volume of a trapezoidal prism can be done by finding the are of the trapezoidal face and multiplying it by the depth.

Formula for finding the area of a trapezoid is $a = (1)/(2) h(b_(1) +b_(2) )$

The two bases are 10 and 34, and the height is 24.7 feet. Put these values into the equation.

$a = (1)/(2) 24.7(10 +34 )$

Add 10 and 34, then multiply it by 24.7 and 1/2.

a = 543.4

Multiply that value by 19, which is the depth of the figure.

The volume of the prism is 10324.6 cubic feet.

Question 3

The formula for volume of a triangular pyramid is v = 1/3ah, with a the area of the base and h the height.

The formula for the area of an equilateral triangle, which is the base, is $a = (√(3) )/(4) s^(2)$

The length of the side is 12, so we can square that to get 144.

Now multiply that by $(√(3) )/(4)$ to get the area of the base.

The area of the base is about 62.35 square meters.

The height of the pyramid is 20 meters. Plug that and the area of the base into the equation.

v = 1/3 x 62.35 x 20

Multiply the numbers together to get the volume.

The volume of the pyramid is approximately 415.67 cubic meters.

Hope this helps!

33% As A Decimal And Fraction?

Answers

percent means parts out of 100 so
33%=33/100=3.3/10=0.33/1

33%=33/100=0.33

Do 0.3 and 3.0 have the same value ? explain

Answers

No, silly.
3.0 is ten times the size of 0.3 .

Take your calculator, and divide one of them by the other one.
If they have the same value, then the answer will be ' 1 '.

Take your calculator and subtract one from the other.
If they have the same value, then the answer will be zero.

No because .3 is 30 cent and 3.0 is 3 dollars.

A restaurant uses 3 pounds of pasta for a party of 14 people. If they are cooking pasta for a party of 56 people, what should they do?

Answers

If you would like to know how many pounds of pasta the restaurant will need, you can calculate this using the following steps:

3 pounds of pasta ... 14 people
x pounds of pasta = ? ... 56 people

3 * 56 = 14 * x /14
x = 3 * 56 / 14
x = 12 pounds of pasta

The correct result would be 12 pounds of pasta.

Fine the area of a circle with a radius of 7 in. Write the formula, substitute, solve.

Answers

Formula: A=(pi)r^2

Substitution: A=3.14(7^2)

A=3.14(49)

Solve: A=153.86 in^2

*I personally like to use the pi sign on my calculator to multiply the radius squared by, but my keyboard did not have a pi sign. Usually, the pi sign is more exact. If you used the pi sign, your answer would be 153.94 inches^2. Hope this helps!

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