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Romashka-Z-Leto [24]
2 years ago
13

Mike earned $11.76 per hour for working 23.5 hours last week. how much money did mike earn last week?

Mathematics
1 answer:
densk [106]2 years ago
6 0
Just multiply.

11.76 * 23.5= 276.36

So Mike earned $276.36 last week
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Using the GCF you found in Part B, rewrite 35 + 63 as two factors. One factor is the GCF and the other is the sum of two numbers
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__7_|_35+63_
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35+63=7(9+5)=7<span>14=98 or 35+63=98</span>
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Describe how to estimate a non-perfect square root to the hundredths place without using a calculator.
GaryK [48]
1) find the perfect square closest to the number
2) take that square root, and then divide your number by that number
3) take the average of the perfect square root (the whole number) and the result of dividing your original number by that root. 

Example: Approximate square root of 27
Closest perfect square: 25
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27 ÷ 5 = 5.4
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2 years ago
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A point is dilated with respect to the origin. Determine the value of K and state whether the dilation is an expansion or contra
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for x-coordinate  = 8/2 = 4
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K is the representation of "scale factor". Scale factor is the ratio of the lengths involved of the similar figures. It can be used to identify the kind of dilation, whether it is contraction or expansion. If the Scale Factor is greater than 1, then that means expansion and if it is less than 1, then it signifies contraction.
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In the figure, polygon ABCD is dilated by a factor of 2 to produce A′B′C′D′ with the origin as the center of dilation. Point A′
emmasim [6.3K]

You did not attach any picture to solve this problem. We cannot calculate for the value of A’ and D’ without the correct graph. However, I think I found the correct graph (see attached), please attach it next time.

So we are given that the figure is dilated by a factor of, meaning that all of its end points are multiplied by 2. By this rule, all we have to do is to simply multiply the initial coordinates of A and D by 2 to get A’ and D’, that is:

A’ = (-1 * 2, -1 * 2) = (-2, -2)

<span>D’ = (2 * 2, -1 * 2) = (4, -2)</span>

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2 years ago
A local amusement park has 30 rides that park visitors can go on. The following table shows the relative frequency distribution
erica [24]

Answer:

5.83

Step-by-step explanation:

Find the mean:

10(.1) + 15(.2) + 20(.2) + 25(.4) + 3-).1)

u = 21

Find the standard deviation:

\sqrt{(10 -21)x^{2} (.1) + (15 -21)x^{2} (.2)+(20-21)x^{2} (.2)+(25-21)x^{2} (.4)+(30-21)x^{2} (.1)}= 5.83

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