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andrey2020 [161]
3 years ago
9

What is this? 4¬²·7¬²

Mathematics
1 answer:
-Dominant- [34]3 years ago
7 0

Answer:

1/784

Step-by-step explanation:

do you mean 4^-2? when using negative exponents we set it to 1 over the coefficient to the power of the exponent, so it'd be 1/4^2 × 1/7^2 or 1/16*1/49 or 1/784

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Mario’s company makes unusually shaped imitation gemstones. One gemstone has 14 faces and 10 vertices. How many edges does the g
Ivan
The gemstone has 22 edges.

We use Euler's formula on this:

F + V - E = 2

Substituting our information, we have:

14 + 10 - E = 2

Combining like terms, 
24 - E = 2

Subtract 24 from both sides:
24 - E - 24 = 2 - 24
-E = -22

Divide both sides by -1:
-E/-1 = -22/-1
E = 22
3 0
3 years ago
What is the radius of a circle if it's diameter is 3m?
Sveta_85 [38]
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8 0
3 years ago
a college freshman started the year with $4000 in spending money and after three months,she has $2800 left.assume that she will
gulaghasi [49]
Let's find out how much she spent every month.

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So if she continues to spend 400 a month?

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So 9 (remaining months) * 400 (amt per month) = 3600 she'll spend at the going rate over 9 months.

But she only has 2800 left.

2800 (remaining) - 3600 (estimated total of spending) = -800

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3 0
3 years ago
Which inequality explains why these three segments cannot be used to construct a triangle?​
Anna11 [10]

Answer:

Iliana cannot construct a triangle because the sum of the two smaller sides will not be greater than the third side. Iliana cannot construct a triangle because the sum of the two smaller sides will be greater than the third side.

5 0
3 years ago
Weekly wages at a certain factory are
SSSSS [86.1K]

Answer:

2.15%

Step-by-step explanation:

If you were to get the z-score for both 500 and 550 and then get the probability of both those z-scores. After getting the probability you would subtract both probability and get your answer.

Z-score:

550-400/2=3

500-400/2=2

Probability:

3 (from the Z-table) is .9987

2 (from the Z-table) is .9772

.9987-.9772= .0215

.0215 as a percentage is 2.15%

7 0
2 years ago
Read 2 more answers
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