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9966 [12]
3 years ago
6

Clare is paid $90 for 5 hours of work. At this rate, how many seconds does it take for her to earn 25 cent?

Mathematics
2 answers:
Alla [95]3 years ago
7 0
50 secs

as $90÷5hrs= 18 $ per hrs

$18÷60min=$0.30 per min

$0.30÷60sec=$0.005 per sec

$0.25÷$0.005= 50sec to make $0.25

so 50sec is the answer
ziro4ka [17]3 years ago
7 0

Answer:

50 seconds

Step-by-step explanation:

Given: Clare is paid $90 for 5 hours of work.

To find: how many seconds does it take for her to earn 25 cent?

Solution: It is given that Clare is paid $90 for 5 hours of work.

We know that $1 is equal to 100 cents.

1 hour is equal to 3600 seconds

So, we get $90=90\times100=9000 cents

5 hours=5\times3600=18000 seconds

Therefore, time taken to earn 1 cent=\frac{18000}{9000} =2 seconds

So, time taken to earn

25 cents=25\times2

=50 seconds

Hence, it take 50 seconds to earn 25 cents.

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Answer: C) 163

Step-by-Step Solution:

In the Right Triangle formed to the extreme right, lets mark the angles as
∠1, ∠2 and ∠3.

Therefore, from the Figure :-

∠1 = 73°
∠2 = 90°

By Angle Sum Property :-

∠3 = 180 - (73 + 90)
∠3 = 180 - 163
=> ∠3 = 17°

The Angle which forms a Linear Pair with ∠3 is the Corresponding Angle of ∠r, and Corresponding Angles are Equal.

Therefore,
=> 180 - ∠3
= 180 - 17
=> 163°

Therefore, the Angle that forms the Linear Pair with ∠3 is 163°

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Hence, ∠r = 163°
8 0
1 year ago
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Answer:

sum of the polynomials is 9 x^{3} - 4 x^{2} +3x

Step-by-step explanation:

Given polynomial is (7 x^3– 4 x^2) + (2 x^3 +3 x)

adding x^3 terms, now we get

(7+2)x^3-4 x^2+3 x

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3 0
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686.924 to the nearest ten
xenn [34]
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6 0
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Valentin [98]

Answer:

(a) = 11 cm

Step-by-step explanation:

The formula for finding the surface area of a regular pyramid is B + (1/2*P*l), with B being the area of the base, p being the perimeter of the base, and l being the slant of the pyramid.

The area of a pentagon can be solved using the formula 1/2*a*p, with a being the apothem and p being the perimeter of the pentagon.

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