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3 years ago

Find the area of the polygon

Mathematics

1 answer:

lisov135 [29]3 years ago

7 0

Answer:

154 square units

Step-by-step explanation:

To find the area of a trapezoid, we need to: $(a+b)\frac{h}{2}$ , a and b being 17 and 5 in this case. h is 14. Substitute the variables and there you have it!

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Find the volume of a cylinder with a radius of 3 cm and a height of 7 cm.

yuradex [85]

Answer:

197.92 cm

Step-by-step explanation:

The formula to find volume for a cylinder is V=πr^{2}h

The problem gave you the height (h): 7cm and the radius (r): 3cm and pi (π) is a constant that will automatically insert when you use the "π" button in a calculator

Now that you know that you have all your variables, you can now plug them into your formula.

V=π3^{2}7

Next, solve the equation.

V=π(9)(7)

V=π(63)

V=197.92cm

Hope this helped! :)

3 0

3 years ago

Please help !!! ASAP

loris [4]

Answer:

(1 , 3)

Step-by-step explanation:

→ Make equations equal to each other

2x + 1 = 4x - 1

→ Solve

-2x = -2

→ Divide by 2 on both sides

x = 1

→ Substitute x = 1 into the y = 2x + 1

2 × 1 + 1 = 3

5 0

2 years ago

Read 2 more answers

Please help, I am so confused

Dmitry_Shevchenko [17]

Answer:

$\huge\boxed{25.2\ m}$

Step-by-step explanation:

In order to find the length of the missing side here, we must note that these triangles are similar.

Therefore their lengths are proportionate to each other.

So,

$\frac{27.6}{11.5} = \frac{x}{10.5}$

We can solve for x by cross multiplying.

$10.5\cdot 27.6 = 289.8\\\\289.8 \div 11.5 = 25.2$

Hope this helped!

5 0

2 years ago

una botella de agua con capacidad de 1 ½ contiene agua en sus ¾ partes ¿cuanta cantidad de agua contiene?

Ne4ueva [31]

La cuatra botella de agua

8 0

3 years ago

Read 2 more answers

Solve the equation. Check your answer.<br> 6x - 3= 5x +5<br> X=

ZanzabumX [31]

Answer:

x = 8

Step-by-step explanation:

6x - 3 = 5x + 5

Move variable to the left hand side and change their sign.

$\sf \: 6x - 5x - 3 = 5$

Calculate like terms.

x - 3 = 5.

Move constant to the right hand side and change their sign.

x = 5 + 3
x = 8

<u>Check our answer :-</u>

6x -3 = 5x + 5

plug the 8 as x.

6 ( 8 ) - 3 = 5 ( 8 ) + 5
48 - 3 = 40 + 5
45 = 45

LHS = RHS

5 0

2 years ago