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lions [1.4K]
3 years ago
13

sam and jesse each wash 5 cars an hour. they both work for 7 hours over 2 days. how many cars did Sam and Jesse wash?

Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0
Just do how many minutes are in a hour and do that for 2days but 24 times two
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Estimate the square root of 150 to the nearest tenth.
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Which expression is equivalent to 3.5x+1.5x+2-1/2
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The most simplified version would be:
5x+1.5
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Can someone please help me with this I really need help. It’s due tonight
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12

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Determine any data values that are missing from the table, assuming that the data represent a linear function.
Stells [14]

Answer:

Fill in the blank with 14

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Step-by-step explanation:

Given

The attached table

Required

Fill in the gap

Since, the table represents a linear function.

The first step is to calculate the slope of the table

m = \frac{y_2 - y_1}{x_2 - x_1}

Where

(x_1,y_1) = (1,2)

(x_2,y_2) = (2,6)

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{6 - 2}{2 - 1}

m = \frac{4}{1}

m=4

The equation of the table is calculated next as:

y - y_1 = m(x - x_1)

This becomes

y - 2 = 4(x - 1)

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Solve for y

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y = 4x -2

To fill in the blank;

The value of x is 4

So, substitute 4 for x in y = 4x -2

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7 0
3 years ago
Mark is 11 years older than his sister. in 8 years he will be twice as old as she will be then.How old are they now
earnstyle [38]
X=Marks sister's age
x+11= Marks age
x+11 +8 = 2x+8
x+19=2x +8
x+19-x=2x-x +8
19-8=x+8-8
11=x Marks sisters age in 8 years
11-8= 3 Marks sisters age now
x+11=22 Marks age in 8 years
22-8= 14 Marks age now

6 0
3 years ago
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