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barxatty [35]
2 years ago
8

75% of this number is 13.5

Mathematics
2 answers:
vaieri [72.5K]2 years ago
7 0
Let y represent the number.

13.5 = 0.75y
(Divide both sides by 0.75)
y = 18

Therefore the number is 18.
cluponka [151]2 years ago
5 0

Answer:

10.125

Step-by-step explanation:

Hello!

To find this we first have to convert the percentage to a decimal

We do this by moving the decimal point two times left

75.0% = 0.75

Now we multiply this by the number

13.5 * 0.75 = 10.125

The answer is 10.125

Hope this helps!

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Find the distance of the line segment joining the two points (-4 /2 - /12) and (/32, 2/3)
astraxan [27]

Answer: 4\sqrt{3} .

Step-by-step explanation:

Distance formula : Distance between points (a,b) and (c,d) is given by :-

D=\sqrt{(d-b)^2+(b-a)^2}

Distance between points (-4\sqrt{2},\sqrt{12}) \text{ and }(-\sqrt{32}, 2\sqrt{3}).

D=\sqrt{(2\sqrt{3}-(-\sqrt{12}))^2+(-\sqrt{32}-(-4\sqrt{2}))}\\\\=\sqrt{(2\sqrt{3}+\sqrt{2\times2\times3})^2+(-\sqrt{4\times4\times2}+4\sqrt{2})^2}\\\\=\sqrt{(2\sqrt{3}-\sqrt{2^2\times3})^2+(-\sqrt{4^2\times2}+4\sqrt{2})^2}\\\\=\sqrt{(2\sqrt{3}+2\sqrt{3})^2+(-4\sqrt{2}+4\sqrt{2})^2}\\\\=\sqrt{(4\sqrt{3})^2+0}\\\\=4\sqrt{3}\text{ units}

Hence, the correct option is 4\sqrt{3} .

3 0
3 years ago
I camper attaches a rope from the top of her tent 4 feet above the ground to give it more support if the Rope is 8 ft long about
iVinArrow [24]

Answer:

b = 6.928

Step-by-step explanation:

Looks like a job for the Pythagorean Theorem.

a^2 + b^2 = c^2

4^2 + b^2 = 8^2

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b^2 = 48

b = 6.928

Hope it helps!!

6 0
3 years ago
The number of people waiting in a line to buy tickets x minutes after a ticket booth opened is given by the expression 70−5x .
forsale [732]

Answer:

the number if people in line when the booth opened.

Step-by-step explanation:

70-5x: the number goes down by 5 people per minute. So for example if it has been 10 minutes, 50 people would’ve been given their tickets.

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2 years ago
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Answer: I'm sorry but I just need points._.

Step-by-step explanation:

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A reflection ____ transforms a line segment into a line segment of the same length
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I hope this helps!!!!!!!!

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