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3 years ago

I’ll mark youyou brainlist

Mathematics

2 answers:

Irina18 [472]3 years ago

6 0

Answer:

148 degrees

Step-by-step explanation:

a straight line is 180 degrees so subtract 180 - 32 = 148

diamong [38]3 years ago

3 0

It’s 148 cuz of linear pair.

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7. A sphere and a circular cylinder have the same radius, r, and the height of the cylinder is 2r. a. What is the ratio of the v

Nastasia [14]

Answer: (a) 2 : 3

(b) 4 :1

Step-by-step explanation:

$\\$ The Volume of a sphere is given as

$\frac{4}{3}$ $\pi$ $r^{3}$ and the volume of a cylinder is given as $\pi$ $r^{2}$ h

$\\$ The ration of their volume is the same as Volume of Sphere : Volume of Cylinder , which gives

$\\$ $\frac{4}{3}$ $\pi$ $r^{3}$ : $\pi$ $r^{2}$ h

$\\$ recall that they have the same radius and the height of the cylinder is 2r , taking this into consideration, we have

$\\$ $\frac{4}{3}$ $\pi$ $r^{3}$ : $\pi$ $r^{2}$ (2r)

$\\$ which gives 4 : 6 = 2 :3

$\\$ (b) The area of a sphere is 4 $\pi$ $r^{2}$ and the surface area of the circular cylinder is $\pi$ $r^{2}$

$\\$ The ratio then gives

$\\$ 4 $\pi$ $r^{2}$ : $\pi$ $r^{2}$ ,which gives

$\\$ 4 : 1

4 0

3 years ago

The frequency table shows the scores from rolling a dice.

Tatiana [17]

The answer is 3 (or 3.08)

5 0

4 years ago

Read 2 more answers

Over the last three evenings, Mary received a total of 116 phone calls at the call center. The third evening, she received 3 tim

Tanya [424]

<h2>Answer:</h2>

First day - 25 calls

Second day - 16 calls

Third day - 75 calls

<h2>Step-by-step explanation:</h2>

You need to set variables and create system of equations first.

First evening= x

Second evening= y

Third evening = z

x+y+z=116

z=3x

y=x-9

Now you plug in the values into the equation x+y+z=116

x+(x-9)+(3x)=116

5x-9=116

5x=125

x=25

You plug in the value of x into the other equations.

x= 25

z= 3*(25)=75

y=(25-9)=16

Rearrange so it corresponds with days...

First day - 25 calls

Second day - 16 calls

Third day - 75 calls

5 0

3 years ago

Read 2 more answers

May I have help to figure out how to do this? It is confusing! :(

RSB [31]

Answer:

it should be 80%

Step-by-step explanation:

I hope this helps

3 0

3 years ago

HELP ME PLEASE AND THANKS SO MUCH

Zinaida [17]

Answer:

180-(65+57)=58

Step-by-step explanation:

4 0

2 years ago

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