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saveliy_v [14]
3 years ago
7

Help on math? Thanks

Mathematics
1 answer:
Flauer [41]3 years ago
3 0
The answer to this is 58 in
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Which is in an equation of the line through (0,0) and (-8,-5)?
Lina20 [59]

Step-by-step explanation:

Since the first coordinates are both (0,0) it implies that the line passes through the origin.

The slope of the line is therefore 5/8

The equation:

y-0=5/8(x-0)

y=5/8x

4 0
2 years ago
A cylinder fits inside a square prism as shown. For every cross section, the ratio of the area of the circle to the area of the
kolbaska11 [484]

Answer:

Volume of cylinder = \pi r^2h

Step-by-step explanation:

Given : A cylinder fits inside a square prism.

To find : The volume of cylinder

Solution : Refer the attached graph.

Area of circle = \pi r^2

Area of square = s^2

Side of square = diameter of circle= D^2

Diameter = 2r

∴ Area of square=  2r^2=4r^2

\frac{Area of circle}{Area of Square}=\frac{\pi r^2}{4r^2}=\frac{\pi}{4}

Area of circle is \frac{\pi }{4}  of area of square.

Volume is always = area × height

Volume of prism = Area of square × h = 4r^2h

Volume of cylinder = Area of circle × h = \pi r^2h

Now, rate

\frac{Volume of cylinder}{Volume of prism}=\frac{\pi r^2h}{4r^2h}=\frac{\pi}{4}

⇒Volume of cylinder is  \frac{\pi }{4}  of Volume of prism.

Volume of Cylinder =\frac{\pi }{4}\times Volume of prism

Volume of cylinder = \frac{\pi }{4}\times 4r^2h

Volume of cylinder = \pi r^2h

6 0
3 years ago
Read 2 more answers
Brooke collects porcelain dolls and teddy bears. Over the years, the number of porcelain dolls she collected is 14 less than twi
Colt1911 [192]
Teddy =X
Dolls= 2x-14

2x-14+X=52
3X-14=52
Add 14
3X=66
Divide by 3
X= 22

Teddy are 22
Dolls 2(22)-14=30
5 0
3 years ago
What is the mean absolute deviation of the data set?
neonofarm [45]

Answer:

<u>B. 2</u>

To find MAD, find the mean of the set, then find how far each number is from the mean. Next, find the mean of THAT set of numbers. Yea, I know it's a bit confusing... don't worry!

Find the mean of the set:

12 + 10 + 10 + 8 + 6 + 7 + 7 + 12

72

72 / 8

<u>9</u>

Find how far each number is from 9:

12 - 9 = <u>3</u>

10 - 9 = <u>1</u>

10 - 9 = <u>1</u>

9 - 8 = <u>1</u>

9 - 6 = <u>3</u>

9 - 7 = <u>2</u>

9 - 7 = <u>2</u>

12 - 9 = <u>3</u>

Find the mean of that number set:

{3, 1, 1, 1, 3, 2, 2, 3}

3 + 1 + 1 + 1 + 3 + 2 + 2 + 3

16

16 / 8

<u>2</u>

<u>So the answer is 2!</u>

Not so hard after all   :D

7 0
3 years ago
Read 2 more answers
Binaya spent 10 of his pocket money. He has Rs 120 left now. Find:
kozerog [31]

Answer:

$10 and $130

Step-by-step explanation:

If he spent 10 of his pocket money, then he spent 10

Because he spent 10, that means that he had 120 + 10 = 130 at the start

6 0
3 years ago
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