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likoan [24]
4 years ago
15

Lao had a gross weekly paycheck of $616 last week. Mai worked 6 hours for 4 of the days and 8 hours on 1 day. What is Kai's hour

ly rate of pay?
A. $16.21
B. $19.25
C. $20.53
D. $25.67
Mathematics
1 answer:
Hatshy [7]4 years ago
8 0
Kai had a gross weekly paycheck of 616 dollars last week.
He worked 6 hours for 4 days = that's equals to 6 * 4 = 24 hours
And 8 hours for 1 day.
=> 24 + 8 = 32 hours for 1 week
=> 616 dollars / 32 hours = 19.25 dollars is his hourly rate.
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Of new calculators tested,8 were defective and 42 passed inspection. What ratio compares the number of defective calculators to
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The number of new calculators tested was 50 . . . 8 were bad and 42 were good.

The ratio of defective ones to new ones tested is 8:50 or 4:25 or 16% .
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Find the length of l on the curve r(t)=5cos(3t)i-5sin(3t)j+3tk over the interval [3,7]
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\mathbf r(t)=5\cos3t\,\mathbf i-5\sin3t\,\mathbf j+3t\,\mathbf k
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\displaystyle\int_C\mathrm d\mathbf r(t)=\int_{t=3}^{t=7}\|\mathbf r'(t)\,\mathrm dt\|=\int_{t=3}^{t=7}\sqrt{225\sin^23t+225\cos^23t+9}\,\mathrm dt
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4 years ago
A Ferris wheel can accommodate 65 people in 15 minutes. How many people could ride the Ferris wheel in 2 hours? What was that ra
densk [106]

Answer:

520 people in 2 hours

rate = 260 people per hour

Step-by-step explanation:

change minutes to hours

15 minute* 1 hr/60 minutes = .25 hrs

65 people      x people

---------------  = ------------------

.25 hrs            2 hrs


using cross products

65 * 2 = .25 * x

130 = .25x

divide by .25

130/.25 = .25x/.25

520 =x

520 people

65 people      x people

---------------  = ------------------

.25 hrs            1 hrs

using cross products

65 = .25x

divide by .25

65/.25 = .25x/.25

260 =x

260 people in 1 hour

rate = 260 people per hour

5 0
4 years ago
What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with f(x) - 4?
icang [17]
The graph moves down 4 units.
8 0
3 years ago
Help middle school question!!!
Sav [38]

Answer:

<em>The shaded region has an area of 1400 square units</em>

Step-by-step explanation:

<u>Area of Compound Shapes</u>

We are given a shape and it's required to calculate its area. The shape can be divided into three rectangles as shown in the figure attached below.

The lengths of these rectangles are x, y, and z.

The value of x can be calculated as:

x = 60 - 15 - 10 = 35

Similarly:

y = 60 - 15 = 45

z = y = 45

The first rectangle has dimensions of x by 10, thus its area is:

A1 = 35*10 = 350

The second rectangle has dimensions of 60 by 10:

A2 = 60*10 = 600

The third rectangle has dimensions y by 10:

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The shaded area is:

A = 350 + 600 + 450 = 1400

The shaded region has an area of 1400 square units

8 0
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