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oksian1 [2.3K]
2 years ago
6

Answer all for brainliest

Mathematics
1 answer:
Marizza181 [45]2 years ago
5 0

Answer:

rrnw

Step-by-step explanation:

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Sam bought 8 pounds of rice for $5 . How many pounds of rice did he get per dollar? round to nearest hundredth
DIA [1.3K]

Answer:

The answer is $0.63 per pound of rice.

Step-by-step explanation:

5 ÷ 8 = 0.625

Convert 0.625 to hundredths place

0.625 = 0.63 = $0.63

3 0
3 years ago
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A robot can complete 8 tasks in 5/6 hour. What is the unit rate for hours per task?
Sonbull [250]
8 tasks in 5-6 hours
so what is 8/6? 
1 hour and 30 minutes


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3 years ago
?/?/ PLease HelP!!!!!!!!!!!!!!!!!!
shtirl [24]

Answer:

what grade is this for

Step-by-step explanation:

4 0
3 years ago
A recycling plant recycled 4.9 kg of paper and cardboard the first hour and 7.8 kg/h
Daniel [21]

Answer: R = {0kg, 59.5kg}

Step-by-step explanation:

When we have a function f(x) = y.

The set of the possible values of x is called the domain of the function, and the set of the possible values of y is called the range of the function,

In this case, we have that:

the plant recycled 4.9kg the first hour, and 7.8 kg per hour after.

So this function can be written as piecewise function, with one part for the first hour, and another part for the time after the first hour.

F(x) = 4.9kg*x if 0h < x ≤ 1h

F(x) = 4.9kg + 7.8kg/h*(x -1) if x ≥ 1h

We use (x - 1) for the second part because if  x = 1 h, we must have the same result in both parts of the function.

Where x is the number of hours.

And we know that the domain is (0hours, 8 hours)

Then the minimum value of y will be:

F(0h) = 4.9kg*0h = 0kg.

And the maximum value in the range will be:

F(8h) = 4.9kg + 7.8kg*7  = 59.5kg

Then the range is:

R = {0kg, 59.5kg}

7 0
3 years ago
T=5m-6n<br> Work out the value of T when m = 4.2 and n=-2.5
zaharov [31]

Answer:

T = 36

Step-by-step explanation:

T = 5(4.2)-6(-2.5)

T = 21 + 15

T = 36

8 0
2 years ago
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