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kaheart [24]
4 years ago
10

Simplify the expresion. The simplified expression should not have negative exponents.​

Mathematics
1 answer:
Leno4ka [110]4 years ago
5 0

Answer:

It's been a while since I've done this but think the answer is

{y}^{16}

Step-by-step explanation:

\frac{ {y}^{ - 20} }{ {y}^{ - 36} }  \\  { y}^{ - 20}  -  {y}^{ - 36}  \\  {y}^{16}

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Agata [3.3K]
It decreases by -.4 over 1
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A survey of 100 people found that 35 people exercise in
Kruka [31]

Answer:

Jim's claim is correct

Step-by-step explanation:

Total survey=100 people

Morning exercise=35 people

Afternoon exercise=45 people

Night exercise=20 people

Morning exercise : Total survey

=35 : 100

Afternoon exercise : Total survey

=45 : 100

Night exercise : Total survey

=20 : 100

Jim's claim is correct because in finding the ratio, one has to relate it with the total people involved in the survey.

Tara's claim however seems to relate one variable with two other variables

Example:

35 : 55

Morning exercise : (morning exercise + night exercise)

35 : (35+20)

35 : 55

8 0
3 years ago
Okay this is my last one.. I think dfghmhgfd
Ainat [17]
<h2>○=> <u>Correct option</u> :</h2><h2>\color{plum}\tt\bold{(B)}</h2><h3>○=> <u>Steps to derive correct option</u> :</h3>

We know that :

\color{hotpink} \tt \: circumference \: of \: a \: circle\color{plum} = 2\pi r

So, let the diameter of this circle be x.

Which means :

=\tt2  \times \pi  \times r

=\tt 2 \times x \times \pi = 12\pi

=\tt 2x\pi = 12\pi

=\tt x =  \frac{12}{2}

= \tt \: x = 6 \: m

Thus, the radius of the circle Robert drew = 6 m

Since the circle in option B has a radius of 6 m, it is the circle Robert drew.

▪︎<em>Therefore, the correct option is (B)</em>

8 0
3 years ago
$5.48 round to nearest hundredth
kifflom [539]

Answer:

you are already in the hundredths

Step-by-step explanation:

5.48

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4= the tenths place

8= the hundredths

6 0
3 years ago
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OlgaM077 [116]

Answer:

-2

Step-by-step explanation:

use the slope formula which is y2-21/x2-x1

these are what i chose my numbers to be

-4=x1

-1= y1

-2= x2

-5= y2

-5-(-1)/-2-(-4) = -2

thats all

3 0
4 years ago
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