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Goryan [66]
3 years ago
9

What is the answer to this question

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0
Work: 35% of $45 is $15.75 (0.45*35)
$45-$15.75= $29.25
$29.25 is how much jack has to pay with the discount.
$50-$29.25= $20.75
His change is $20.75.
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The length of the missing side is: ?m
victus00 [196]

Answer:

85 ft

Step-by-step explanation:

for all right triangles, triangles with a 90 degree angle, the sides are equal to a^{2} + b^{2} = c^{2} where c is the hypotenuse, or the longest side.

so... 40^{2} + 75^{2} = c^{2}

7225 = c^{2}

c= 85

6 0
2 years ago
The cost of C (in dollars) of making n watches is represented by C=15n+85. How many watches are made when the cost is $385?
hichkok12 [17]

well...

15 x 20 = 300

300+85 = 385


you can get 20 watches for $385


4 0
2 years ago
Differentiate the following equation
Bingel [31]

Answer:

\frac{dy}{dx} = \frac{4}{1-x}

Step-by-step explanation:

    y = 3 - 4ln(1 - x)

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4 0
2 years ago
Last years sales at the drive in movie theater totol 144.600. This year's sales should increase by 1/3. how much should sales in
KATRIN_1 [288]
A] Given that the last years's sales was $144,600 and this years sales should increase by 1/3. Then:
i] Amount the sales should increased by will be:
(last year's sales)*(increase)
=144,600*(1/3)
=48,200

ii] The sales in the new year will be:
(last year's sales)+(increase)
=144600+48600
=$192, 800

2] Given that the sales of hifi which included 6% tax was 205,000. The actual sales was:
Actual percentage sales=100%
percentage sales after taxation=100-6=94%
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(100)/(94)*205,000
=218, 085.1064

3]Given that the rate per $100 is $0.83, and the insurance was for 90000, the insurance premium will be:
(total insurance) *(unit rate)/(number of units)
plugging the values we obtain:
90000*0.83/100
$747

6 0
2 years ago
Read 2 more answers
A student raises her grade average from a 75 to a 90. What was the percent of increase in the student’s grade average? Round you
Zigmanuir [339]
=(new-old)/old *100%
=(90-75)/75 *100%
=20%
<span> hope it helps</span>

5 0
3 years ago
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