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kari74 [83]
2 years ago
14

Lily and Sabrina often make some extra pocket money by painting garden sheds. Lily can paint a shed in 5 hours working alone, wh

ereas Sabrina can paint it in 6 hours. they start together, but Lily had to leave after 2 hours to do her homework. how long did it take Sabrina to complete her painting that shed alone?
Please halppppppp in this question​
Mathematics
1 answer:
prisoha [69]2 years ago
3 0
Lily and sabring make extra pocket money by paint gradden shed lily can paint
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What powers of 3 are in the range of 1,oo due tommarow
ElenaW [278]
3 to the 1st is 3
3 to the 2nd is 9
3 to the 3rd is 27
3 to the 4th is 81
3 to the 5th is 243
3 to the 6th is 729
6 0
3 years ago
the equation y= - 5.131x2+ 31.821x - 3.333 approximates the number of people standing in line to catch a commuter train x hours
ehidna [41]

We are given function: y= - 5.131x^2+ 31.821x - 3.333

Where, x is the number of hours after 5a.m.

We need to approximates the number of people standing in line to catch a commuter train at 7 a.m.

From 5 a.m. to 7 a.m. total number of hours = 7-5 = 2 hours.

So, we need to plug x=2 in the given function.

Plugging x=2 in y=- 5.131x^2+ 31.821x - 3.333, we get

y=- 5.131(2)^2+ 31.821(2) - 3.333

Let us simplify it now.

2^2= 4.

Therefore,

y=- 5.131(4)+ 31.821(2) - 3.333

= -20.524 + 63.642 - 3.333.

= 39.785 or 40 approximately.

Therefore, the number of people in line at 7 a.m. is approximately 40 people.

Option D.40 is correct option.

3 0
3 years ago
What is 4/3 subtracted by 2/5
yKpoI14uk [10]

In order to subtract fractions, we must find a common denominator, then subtract the numerators.

The common denominator (LCM(3, 5)) is 15.

We must multiply the first numerator by 5, because 3*5=15 and the second numerator by 3 because 5*3=15.

We get \frac{20}{15} - \frac{6}{15}.

All we need to do now is subtract the numerators: \frac{14}{15}.

The answer is 14/15.

7 0
3 years ago
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5-<br><br><br> pls help!!!!<br><br><br><br> math<br><br><br> -
Sedbober [7]

Answer:

5,-1

Step-by-step explanation:

  2,3

+<u> 3,-4</u>

  5, -1

6 0
2 years ago
Read 2 more answers
Given the following function, find f(-2), f(0), and f(1).<br> f(x) = 5x +5<br><br> f(-2) =
Finger [1]

Answer:

f(-2) = -5

f(0) = 5

f(1) = 10

Step-by-step explanation:

f(-2) = 5(-2) + 5 → -10 + 5 = -5

f(0) = 5(0) + 5 → 0 + 5 = 5

f(1) = 5(1) + 5 → 5 + 5 = 10

4 0
3 years ago
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