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3 years ago

What is the surface area of a cylinder with the hight of 7 and the diameter of 9

Mathematics

1 answer:

Elenna [48]3 years ago

3 0

Answer:

325.15

Step-by-step explanation:

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Simplify the expression. (–5 – c)(–1) A.5 + c B.–5 + c C.5 – c D.–5 – c

Marina86 [1]

-1(-5 - c) = 5 + c <==

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3 years ago

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The students at Southern Junior High School are divided into four homerooms. Benjamin just moved into the school district and wi

brilliants [131]

Answer: A 4 side dice.

Step-by-step explanation:

Benjamin has 4 possible homerooms with the same probability. This means that every homeroom has a 1/4 = 0.25 (or 25%) probability of getting chosen.

You could emulate this situation with a 4 sided dice (are like little pyramids) where each side of the dice would represent the selection of one of the homerooms.

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2 years ago

A triangle was dilated by a scale factor of 6. If sin aº

Pavlova-9 [17]

Answer:

24 units

Step-by-step explanation:

A triangle was dilated by a scale factor of 6. If sin a° = four fifths and segment DE measures 30 units, how long is segment EF?

triangle DEF in which angle F is a right angle, angle D measures a degrees, and angle E measures b degrees

15.5 units

24 units

30 units

37.5 units

From the description:

angle D measures a degrees

opposite to angle D is side EF

side DE (which measures 30 units) is the hypotenuse of the triangle.

We also know that

$\sin (a) = \frac{4}{5}$

$\sin (a) = \frac{opposite}{hypotenuse}$

From definition:

$\sin (a) = \frac{opposite}{hypotenuse}$

Replacing:

$\frac{4}{5} =\frac{ EF}{DE} \\\\EF = \frac{4}{5} *DE\\\\EF = \frac{4}{5} *30 \\\\= 24 units$

8 0

3 years ago

Math Help Please?

hjlf

The median is 3 that's all I know

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3 years ago

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A shopper wants to ensure he has enough cash to purchase a $59 coffee table, so he asks a clerk what the total will be with the

Troyanec [42]

Answer:

Step-by-step explanation:

First you have to subtract 59$ from 61.36 which will give you 2.36.Then you have to multiply 0.02 to 59 which equals 1.18.Then you multiply 0.04 by 59 which will give you the answer.Hope this helps!!!Your answer should be 0.04!!!Please Mark brainliest!!!!!

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3 years ago

What is the surface area of a cylinder with the hight of 7 and the diameter of 9​

What is the surface area of a cylinder with the hight of 7 and the diameter of 9