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8090 [49]
2 years ago
11

What is the value of x, if 105% of 90 is equal to 200% of x?

Mathematics
2 answers:
quester [9]2 years ago
8 0
X = 47.25 because 105/200 equals 0.525. 0.525 times 90 equals 47.25
lisov135 [29]2 years ago
7 0

From the given equation

105% * 90 = 200% * x

105/100 * 90 = 200/100 * x

105*90 = 200*x

x = 105*90/200

X = 21*9/4

X = 189/4

x = 47.25

Value of x = 47.25 or 47 1/4

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If the dimensions of the following cylinder are quadrupled, what will be the volume of the new similar cylinder?
Alik [6]

Answer:  First option is correct.

Explanation:

Since we have given that

Radius = 11 inches

Height = 14 inches

Now, according to question, we have mentioned that all the dimensions of the cylinder is to be quadrupled i.e. four times.

Then,

Radius is given by

4\times 11=44 inches

Height is given by

14\times 4=56\ inches

As we know the formula for " Volume of cylinder ":

V=\pi r^2h\\\\V=3.14\times 44\times 44\times 56=340426.24\ in^3

Hence, our volume of new similar cylinder is 340426.24 cubic in.

Therefore, First option is correct.


6 0
2 years ago
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Zielflug [23.3K]

Answer:

7 pages

Step-by-step explanation:

Given the total number of pages in the book are 16

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Let the number of pages left out to read be x

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16=9+x

x=16-9

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Therefore There are 7 pages left out to be read.

8 0
2 years ago
In right triangle ABC, angle A and angle B are complementary angles. The value of cos A is 9/41. What is the value of sin B?
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SinB = 9/41

I explained my reasoning down below

5 0
2 years ago
Put the following equation of a line into slope-intercept form, simplifying all fractions. 12x+10y=90
Delicious77 [7]

Answer:

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Step-by-step explanation:

your going ro put it in y=mx+b format

so it would be ur equation 12x+10y=90

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u have to get 10 by itself so you divide 10 to everything and get y=-12/10x+90/10

you have to simplify so get y=-6/5+9

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2 years ago
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Find min
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so it would be a graph from 1.3cm to 1.7cm

like below

7 0
2 years ago
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