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Reika [66]
3 years ago
6

Witch proportion can be used to solve the following percent problem what is 50% of 70

Mathematics
1 answer:
RoseWind [281]3 years ago
4 0

Answer:

A

Step-by-step explanation:

50 percent is 50/100 and you are trying to find x which is half of 70. A would make the most sense. X should =35

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Find the value of x. Round the length to the nearest tenth.
nikklg [1K]

Answer:

x=6 and x=5.1

Step-by-step explanation:

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3 years ago
A pet store has cats. Here are their weights (in pounds).10,7,16,11,16,6,7 Find the mean weight of these cats. If necessary, rou
kumpel [21]

Answer:

10.4

Step-by-step explanation:

the mean is you add up all of the numbers then divide by the amount of numbers so in this case it would be

10+7+16+11+16+6+6=73

There are 7 numbers so

73/7=10.42

Rounded to the nearest tenth would be 10.4

6 0
3 years ago
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Three forth of a number excceed its one third by 15, find the number​
lyudmila [28]

The required value of x is 36

Step-by-step explanation :

Let the required number be x.

Three fourth of number = (3/4)x

One third of number = (1/3) x

According to the question ;

3x/4 = x/3 + 15

→ 3x/4-x/3 = 15

→ 9x - 4x / 12 = 15

→ 5x = 15 x 12

⇒ x = 180 / 5

⇒ x = 36

<h2>Hope this answer helps you..!!!</h2>
8 0
3 years ago
2+2=4-1?
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Write (1 + i)^10 as a complex number of the form a+ ???????????????? for real numbers aand ????????.
SashulF [63]

Answer:a=0

b=32

Step-by-step explanation:

Given

Complex number z=\left ( 1+i\right )^{10}

any complex number is written in the form

z=re^{i\theta }

where r=magnitude

so z=\left [ \sqrt{2}\left ( \frac{1}{\sqrt{2}}+i\frac{1}{\sqrt{2}}\right )\right ]^{10}

z=\left ( \sqrt{2}\right )^{10}\left ( \cos 45+i\sin 45\right )^{10}

z=2^5\left ( e^{i\frac{\pi }{4}}\right )^{10}

z=32\left ( e^{\frac{5\pi }{2}}\right )

\frac{5\pi }{2}=2\pi +\frac{\pi }{2}

z=32\left ( e^{i\frac{\pi }{2}\right )

z=32\left ( \cos \frac{\pi }{2}+i\sin \frac{\pi }{2}\right )

real part a=32\times \cos (90)=0

b=32\times \sin (90)=32

5 0
3 years ago
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