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docker41 [41]
3 years ago
13

Please help S.O.S ASAP

Mathematics
2 answers:
MaRussiya [10]3 years ago
5 0

Answer:

$40.95

Step-by-step explanation:

First we need to find out how much he makes per hour.  Take the total amount he makes and divide by the number of hours

Amount per hours = 18.20 ÷ 2 1/3

Change the mixed number to a  improper fraction

2 1/3 = (3*2+1)/3 = 7/3

Amount per hours = 18.20 ÷ 7/3

Copy dot flip

Amount per hours = 18.20 * 3/7

                               $7.80 per hour


Now we want to find out how much he makes for 5 1/4 hours.  Take the amount per hour times the number of hours

Total amount = 7.8 * 5 1/4

Change the  mixed number to an improper fraction

5 1/4 = (4*5+1)/4 = 21/4

Total amount = 7.8 * 21/4

Total amount = 40.95


Genrish500 [490]3 years ago
4 0

Answer:

$40.95

Step-by-step explanation:

daniel earned 18.20 for working 2 1/3 hours

so he earned 18.20 / (2 1/3) for each hour of work

for 5 1/4 hours of work, he earned

= 18.20 / (2 1/3) x 5 1/4

= $40.95


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what are the length and width of a rectangular traffic sign if the length exceeds the width by 24 inches and the perimeter by 12
madreJ [45]

Answer:

<h2>length = 44 in, width = 20 in</h2>

Step-by-step explanation:

\text{The formula of a perimeter of a rectangle:}\\\\P=2(l+w)\\\\l-length\\w-width\\\\\text{We have}\ l=(w+24)\ in,\ P=128\ in\\\\\text{Substitute:}\\\\128=2(w+24+w)\qquad\text{divide both sides by 2}\\\\64=2w+24\qquad\text{subtract 24 from both sides}\\\\40=2w\qquad\text{divide both sides by 2}\\\\20=w\to w=20\ in\\\\l=20+24=44\ in

7 0
3 years ago
Percents can be expressed as fractions and decimals. A percent means “out of 100,” so we can express 40% as the fraction 40⁄100.
stiks02 [169]

Answer:

Definitely 3/4!

Step-by-step explanation:

Option A = 7.5

Option B = 66.6%

Option C = 75% (because 25 times 4 is equal to 100%, so 25 times 3 would be 75)

Option D = 6/10 or 60%

5 0
3 years ago
A group of 11 students participated in a quiz competition. Their scores are shown below:
GrogVix [38]

Answer:

the other person is right

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If sin^-1 (x+3) = -pi/6 , x = ?
____ [38]
First recall that \sin^{-1}x is defined only for -1\le x\le1, which means \sin^{-1}(x+3) requires that 2\le x+3\le4.

Over this domain, \sin^{-1}(x+3) will be invertible, and so taking the sine of both sides, we have

\sin^{-1}(x+3)=-\dfrac\pi6\implies\sin\left(\sin^{-1}(x+3)\right)=\sin\left(-\dfrac\pi6\right)
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7 0
3 years ago
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enot [183]

Answer:

write the percent divided by 100

Step-by-step explanation:

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3) reduce (simplify) the fraction.

3 0
3 years ago
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