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olga nikolaevna [1]
3 years ago
7

In the jone school library,10/20 of the computers have scanners.in simplest form, which fraction of the computers have scanners?

1/2 1/4 5/10 6/12
Mathematics
1 answer:
n200080 [17]3 years ago
5 0

Answer:

1/2

Step-by-step explanation:

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Convert the complex number z = -12 + 5i from rectangular form to polar form.​
Paha777 [63]

Answer:

z=13(\cos 157\degree +i\sin157\degree)

Step-by-step explanation:

The given complex number is

z=-12+5i

The polar form of this complex number is;

z=r(\cos \theta +i\sin \theta), where

r=\sqrt{(-12)^2+5^2}

r=\sqrt{144+25}=\sqrt{169}=13

and

\theta =\tan^{-1}(\frac{5}{-12})

This implies that;

\theta=157\degree to the nearest degree.

Hence the polar form is

z=13(\cos 157\degree +i\sin157\degree)

7 0
3 years ago
there are 320 seats in the airplane. passengers are taking 3/5 of the seats. There are 47 seats being used by flight attendants.
iogann1982 [59]

Answer: 124

Step-by-step explanation:

Multiply 320 by 3/5 (.6) and you will get 192. Then you subtract 320 by 47 and get 316. You subtract 192 from 316 and get 124.

8 0
3 years ago
The area of the following parallelogram is:<br> 5 m<br> 4 m<br> 3 m
Sonbull [250]

Answer:

60m

Step-by-step explanation:

Multiply length times width times height so basically 5mx4mx3m=60m

Hope this helped :)

6 0
3 years ago
Read 2 more answers
Decide whether a triangle with side lengths of sqr5, 5, and 5.5 is right, acute, or obtuse.
LUCKY_DIMON [66]
It is acute isosceles triangle
4 0
3 years ago
4^3 * 4^4 = <br> A) 4^-1<br> B) 4^1<br> C) 4^7<br> D) 4^12
lions [1.4K]
<h2>Hello!</h2>

The answer is:

The correct option is:

C) 4^{3}*4^{4}=4^{7}

<h2>Why?</h2>

To solve the problem, we need to remember the product of powers with the same base property, the property is defined by the following relation:

a^{m}*a^{n}=a^{m+n}

If we are multiplying two or more powers with the same base, we must keep the base and add/subtract the exponents.

So, we are given the expression:

4^{3}*4^{4}

We can see that both powers have the same base (4), so solving we have:

4^{3}*4^{4}=4^{4+3}=4^{7}

Hence, we have that the correct option is:

C) 4^{3}*4^{4}=4^{7}

Have a nice day!

7 0
3 years ago
Read 2 more answers
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