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romanna [79]
3 years ago
10

Which represents a perfect cube?

Mathematics
2 answers:
Alina [70]3 years ago
7 0
It would be the first choice: 8•8•8 because according to exponents, something to the power of 3 is a perfect cube
pantera1 [17]3 years ago
4 0
A is your answer due to a perfect cube being that it is your only perfect option of a number being multiplied 3 times by the same number!
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iris charges a fee for her consulting services plus an hourly rate that is 1 1/5 times her fee on a 7 hour job and iris charged
Veronika [31]
Based on the given problem above, here is the solution.
Given: Iris's charge: 470
           1 1/5 times her fee: additional hourly rate
           ? = fee for an hourly rate
What we need to do first is divide 470 by 7 hours, so 470/7 = 67.143/hour.
So Iris's per hour is 67.143 without the additional rate.
Now, let's look for the 1 1/5 of 470. 1 1/5 is equal to 1.2. So 470 x 1.2 = 564.
To get the total fee of her hourly rate, we add 67.143 and 564, so Iris's hourly rate then is 631.143 or 631.14.
5 0
3 years ago
30Pts PLZ HELP
nlexa [21]
X hope that I helped you
7 0
3 years ago
Read 2 more answers
If you answer all the questions on the picture I will give brainliest
Oduvanchick [21]

Answer:

1. 324

2. 610

3. 72

4. 97

5. 20

6. 28

7. 195

5 0
3 years ago
2x + 4y = 14 and 3x – 4y = -39 solve by elimination
gizmo_the_mogwai [7]

Answer: x=-5 and y=6

Step-by-step explanation: i hope i did it right tell if i didnt

5 0
3 years ago
Please help with number 39
mr Goodwill [35]

You want to find values of v (number of visors sold) and c (number of caps sold) that satisfy the equation

... 3v + 7c = 4480

In intercept form, this equation is

... v/(1493 1/3) + c/640 = 1 . . . . . divide by 4480

Among other things, this tells us one solution is

... (v, c) = (0, 640)

The least common multiple of 3 and 7 is 21, so decreasing the number of caps sold by some multiple of 3 and increasing the number of visors sold by that same multiple of 7 will result in another possible solution.

The largest multiple of 21 that is less than 4480 is 213. Another possible solution is (0 +213·7, 640 -213·3) = (1491, 1)

We can also pick some number in between, say using 100 as the multiple

... (0 +100·7, 640 -100·3) = (700, 340)

In summary, your three solutions could be

... (visors, caps) = (0, 640), (700, 340), (1491, 1)

7 0
3 years ago
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