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3 years ago

P + 0.20p as an equivalent expression

Mathematics

1 answer:

andreev551 [17]3 years ago

5 0

Answer:

An equivalent expression to p - 0.20p is 0.8p Hope this helps :)

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A cylinder has a base diameter of 14m and a height of 10m. What is its volume in cubic m, to the nearest tenths place?

VARVARA [1.3K]

Answer:

1539 cubic meters

Step-by-step explanation:

Hello, I can help you with this

to solve need we will need these two equations

Step one

Remember

area of a circle

$Area=\pi *\frac{diameter^{2} }{4}\\$

Also, the volume of the cylinder

Volume= area of the circle * height

$Volume=\pi *\frac{diameter^{2} }{4} *height\\$

Step 2

put the values into the equation

Let

diameter= 14 m

height = 10 m

$Volume=\pi *\frac{diameter^{2} }{4} *height\\\\Volume=\pi *\frac{(14\ m)^{2} }{4} *10\ m \\\\Volume=\pi *49\ m^{2} *10\ m\\Volume=1539.38\ cubic\ meters$

I hope it helps,have a great day.

3 0

3 years ago

Simplify 7t · s · 3rt.

VikaD [51]

Answer:

21 s t^2

Step-by-step explanation:

7t · s · 3rt

Multiply the coefficients

7*3 =21

t*t = t^2

Multiply back together

21 s t^2

4 0

3 years ago

Place the number 62.5 and 62.35 in the number line

kotykmax [81]

Answer:

62.5 would go 5 lines out and 23.35 would go in the middle of the third and fourth line

Step-by-step explanation:

3 0

3 years ago

In 6 hours Romeo can weed his mom's flower gardens. If Romeo's friend Chad comes to help him they can weed the gardens in 4 hour

FromTheMoon [43]

Answer:

6 hrs

Step-by-step explanation:

8 0

3 years ago

Simplify the square root of x to the power of 16 times y to the power of 36.

Vsevolod [243]

Answer:

$\large\boxed{x^8y^{18}}$

Step-by-step explanation:

$\sqrt{x^{16}\times y^{36}}\\\\\text{Use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\\\\=\sqrt{x^{16}}\times \sqrt{y^{36}}\\\\\text{Use}\ (a^n)^m=a^{nm}\\\\=\sqrt{x^{8\cdot2}}\times\sqrt{y^{18\cdot2}}=\sqrt{(x^8)^2}\times\sqrt{(y^{18})^2}\\\\\text{Use}\ \sqrt{a^2}=|a|\\\\=|x^8|\times|y^{18}|\\\\\text{Because}\ x^8\geq0\ \text{and}\ y^{18}\geq0\ \text{for any value of x and y we have}\\\\=x^8\times y^{18}=x^8y^{18}$

3 0

3 years ago