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zimovet [89]
3 years ago
14

Jones can paint a car in 8 hours. Smith can paint the same car in 6 hours. They start to paint the car together. After 2 hours,

Jones leaves for lunch and Smith finishes painting the car alone. How long does it take Smith to finish?
Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0
4 Hours because he has already done two hours worth of work and he only needs six hours to complete it. The rest of the information is just a distraction
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During a sale, every item in a store is 80% of its regular price. If the regular price of a T-shirt is $10, what is its sale pri
kipiarov [429]

Answer:

Step-by-step explanation:

If the regular price of a T-shirt is 10 USD and the store sells off its wares at 80% of its regular price, then the price at which the store would still the aforementioned T-shirt would be 80% of its 10 USD price.

80% of $10 =

0.8 * 10 = $8

This means that the price at which the T-shirt will go for, due to the ongoing sales will be $8.

Also, being asked to find the 10% and 20% of $10 is just as simple

10% of $10 =

0.1 * 10 = $1

20% of $10 =

0.2 * 10 = $2

Therefore, the 10% and 20% of $10 is $1 and $2 respectively.

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3 years ago
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likoan [24]

Answer:

options a is answer

Step-by-step explanation:

options a is answer

7 0
2 years ago
Evaluate xº + yº for x = 3 and y= 2.
Brut [27]

Answer:

The correct answer is

2

Step-by-step explanation:

All you must do is plug in the numbers 3 and 2 to create the equation:

3^0+2^0

The rule is that any number raised to the power of 0 equals to 1.

So the answer is

2

Hope this helps!

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8 0
4 years ago
A mine worker discovers an ore sample containing 500mg of radioactive materials. It is discovered that the radioactive material
SVEN [57.7K]

Answer:

7.8125 or 7.8

Step-by-step explanation:

gm=(1/2)^{n-1}gm=(1/2)n−1

\begin{gathered}gm=500 (1/2)^{ 7- 1} \\gm= 500 (1/2)^{6}\end{gathered}gm=500(1/2)7−1gm=500(1/2)6

= 7.8125 or 7.8

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2 years ago
GIVeawAy <br> if u answer my last question ill do more giveaways
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Answer:

Okay. I'll check it out. Can you help me with my last question

too?

8 0
3 years ago
Read 2 more answers
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