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Nina [5.8K]
3 years ago
5

Rent me $250 washing cars with his mobile car wash company he charges $70 per car and earn $50 in tips write an equation to repr

esent the situation
Mathematics
2 answers:
frozen [14]3 years ago
8 0

Answer:

250 = 70x + 50

Step-by-step explanation:

this is the equation if you are looking for the profit

Ex.

You washed 2 cars

250 = 70 (2) + 50

250 = 190

-190 -190

60

you are still $60 away from making a profit

Zarrin [17]3 years ago
3 0

Answer:

Try 250 = 70x + 50, or y = 70x + 50.

Step-by-step explanation:

He made 250 total. The variable is how many cars he washes. The y-intercept is 50. Therefore, either 250 = 70x + 50, or y = 70x + 50.

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Find f(2) if f(x) = 2^x +3
alexira [117]

Answer:

f(2)=7

Step-by-step explanation:

Plug it in

f(x)=2^x+3

f(2)=2^2+3

f(2)=4+3

f(2)=7

If this helps please mark as brainliest

8 0
3 years ago
Read 2 more answers
Slopes of parallel lines are
KatRina [158]

Answer:

the same as the original equation

Step-by-step explanation:

Since they don't intersect the slope is the same

6 0
4 years ago
A restaurant manager recorded the number of orders for each of the four drinks available. The results are shown in the table bel
Inessa [10]

Answer:

Answer: about 14

Work Shown:

Add up the values in the table:

170+135+150+145 = 600

There are 600 orders in total. Of those 600, we have 135+145 = 280 that are for lemonade or for orange juice. This means roughly 280/600 = 0.4667 of all the drinks are either lemonade or orange juice.

Assuming this ratio keeps up, we can multiply 0.4667 with 30 to get

30*0.4667 = 14.001 which rounds to 14

This represents the estimated number of drinks in the next 30 orders that are either lemonade or orange juice.

THIS IS NOT MY WORK SO DON"T COME FOR ME PLEASE!!!!!!!!!!!!

Step-by-step explanation:

Mark me brainliest please

7 0
3 years ago
Please helpppp me ! If the sum of the roots of the equation mx^2 - (6m+1)x+m^3+m^2+4=0 is equal to 7 , what is the product of it
zepelin [54]

Answer:

The product of its roots is 6.

Step-by-step explanation:

Let m\cdot x^{2}-(6\cdot m +1)\cdot x+(m^{3}+m^{2}+4) = 0, all roots are calculated by Quadratic Formula:

r_{1} = \frac{6\cdot m +1 + \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m} (1)

r_{2} = \frac{6\cdot m +1 - \sqrt{(6\cdot m + 1)^{2}-4\cdot m\cdot (m^{3}+m^{2}+4)}}{2\cdot m} (2)

According to statement, we know that:

r_{1}+r_{2} = 7 (3)

By applying (1) and (2) in (3), we have the following expression:

\frac{6\cdot m +1}{m} = 7

6\cdot m + 1 = 7\cdot m

m = 1

If we know that m = 1, then the roots of the polynomial are, respectively:

x^{2}-7\cdot x +6 = 0

r_{1} = 6

r_{2} = 1

And the product of the roots is:

r_{1}\cdot r_{2} = 6

The product of its roots is 6.

7 0
3 years ago
Trying to help my nephew with math been so long I forget how to do it . Arrange the numbers in increasing order. 8.08, 8.081, 8.
sasho [114]
So they all start with '8.0'so we can cross out that part and we are left with
8, 8.1, 9, 0.8
so 8.1 is more than 8 because it has '0.1' more than 8

9 is greater than 8
0.8 is less than all of them so

the order from smallest to greatest (when we put the 8.0 back in) is

8.008, 8.08, 8.081, 8.09
5 0
3 years ago
Read 2 more answers
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