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emmainna [20.7K]
3 years ago
5

There are 13 salespeople at a car dealership. last year, they each sold the same number of cars. Together, they sold 1,157 cars.

How many cars did they each sell? Please show your work.
Mathematics
1 answer:
klemol [59]3 years ago
3 0

Answer:

Each salesperson sold 89 cars last year.

Step-by-step explanation:

13x = 1157   Set up an equation with an x-varible in place of the number of cars to be found

13x/13 = 1157/13   Divide 1157 by 13

x = 89

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Which expression is equivalent to<br> -4 (2m - 3 ) - (m+2)<br>-9m+10<br>9m+10<br>7m+10<br>-7m+10​
Scrat [10]

Answer:

4 - 2m + 3

Step-by-step explanation:

when you distribute the negative sign you will get this

8 0
3 years ago
Read 2 more answers
How many square meters in a room of such dimensions 5/3/4?
sdas [7]

Answer: 3.75 Square Meters

Step-by-step explanation: I am not sure exactly what you asked for here, I chose to take it as the one wall being 5 meters long, and the other being 3/4 meter long. If this was the right senario, then what you would do to solve it, and what I did, is just multiply 5*3/4 or if it makes it simpler, 5*.75

5 0
2 years ago
How do you find the x intercepts of 3x^(5/3) - 4x^(7/3)
kaheart [24]
Set the whole expression = to 0 and solve for x.

3x^(5/3) - 4x^(7/3) = 0.  Factor out x^(5/3):     x^(5/3) [3 - 4x^(2/3)] = 0

Then either x^(5/3) = 0, or 3 - 4x^(2/3) = 0.

In the latter case, 4x^(2/3) = 3. 

To solve this:  mult. both sides by x^(-2/3).  Then we have

4x^(2/3)x^(-2/3) = 3x^(-2/3),            or 4 = 3x^(-2/3).  It'd be easier to work with this if we rewrote it as

4           3
---  = --------------------
1            x^(+2/3)

Then 

4
---  = x^(-2/3).  Then, x^(2/3) = (3/4), and x = (3/4)^(3/2).  According to my     3                      calculator, that comes out to x = 0.65 (approx.)

Check this result!  subst. 0.65 for x in the given equation.  Is the equation then true?

My method here was a bit roundabout, and longer than it should have been.  Can you think of a more elegant (and shorter) solution?
7 0
3 years ago
Read 2 more answers
Least to greatest 1.3, -3/2, -1.2, 1 1/2
lbvjy [14]
1. -3/2
2. -1/2
3. 1.3
4. 1 1/2
5 0
3 years ago
I=$720, P=$1000, r=9%
UNO [17]
I = PRT

720 = (1,000)(0.09)(t)
720 = 90(t)
720/90 = t
8 = t  or t = 8

I am not sure if it is terms  of months or years but 8 is the answer. hope it helps :)
7 0
3 years ago
Read 2 more answers
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