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Ivahew [28]
3 years ago
15

Can you help me with this it’s so confusing plz help me with both is this

Mathematics
1 answer:
mars1129 [50]3 years ago
5 0

Answer:

First picture: -4,913

Second picture: 20.25

Step-by-step explanation:

-17^5/-17^2 = -17^3

-17 × -17 × -17 = -4913

4.5^5/4.5^3 = 4.5^2

4.5 × 4.5 = 20.25

Do you see how I had the same whole number on the top and bottom? (17 was on top and 17 was on bottom)

The exponents were those tiny numbers you saw.

Whenever you are dividing by the same whole number (-17/-17), you can subtract exponents.

When you multiply the same whole number, you can add the exponents.

Hope this helps! Best of luck :)

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The expression 2l 2w is used to find the perimeter of a rectangle with length l and width w. what is the perimeter of a rectangl
AnnyKZ [126]
Just plug the values into the equation and solve

3 0
3 years ago
Read 2 more answers
EMERGENCY PLEASE HELP STRUGGLING! The triangles in each pair are similar.
Ludmilka [50]

Answer: The missing length is 120 {option C}

Step-by-step explanation: What we have in the question is a triangle placed on top of another triangle and as shown in the attached diagram we can separate them into triangles BFC and GFH.

A close observation shows that line BC is parallel to line GH. Hence we have two similar triangles, and we can determine their similarity ratios as follows;

BF/FC = GF/FH

Similarly BF/BC = GF/GH

We can also express the following ratio

FC/FH = BC/GH

Therefore to calculate the missing side, which is GF, we can use the ratio

FC/FH = FB/FG

30/100 = 36/FG

By cross multiplication we now have 30 (FG) = 100 (36)

30FG = 3600

Divide both sides of the equation by 30

FG = 120

5 0
3 years ago
A mechanical system has 3 subsystems in series, each has reliabilities 98%, 96% and 94%, respectively. What is the overall relia
Ede4ka [16]

Answer:

The overall reliability of the system is 99.9952%

Step-by-step explanation:

Probability of the system not working:

None working, the first with 2% probability of not working(as it has 98% probability of working), the second with 4% and the third with 6%. So

0.02*0.04*0.06 = 0.000048

Probability of the system working:

1 subtracted by the probability of the systme not working.

1 - 0.000048 = 0.999952

0.999952*100% = 99.9952%

The overall reliability of the system is 99.9952%

4 0
3 years ago
5400/10251 in simplest form<br> 5400/10251 as a decimal number<br> 5400/10251 as a percentage
soldier1979 [14.2K]
600/1139 (5400/10251 Simplest)
0.62677787 (decimal)
52.67778753 % (percent)

I think
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3 years ago
Please help with question 2
Rufina [12.5K]

I would distribute first.

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-5-3x\geq 4x+23

7x \leq -28

x\leq -4

Hope this helps.

頑張って!

6 0
3 years ago
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