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joja [24]
2 years ago
5

Dennis takes care of private swimming pools. He charges $35 to travel to a home and then $40 per hour. The equation t = 35 + 40h

models the total charge t for h hours of service. Which ordered pair (h, t) is NOT a solution for the equation? a (4, 195) b (9, 355) c (8, 355) d (7, 315)
Mathematics
1 answer:
stepan [7]2 years ago
4 0

Answer: B

Step-by-step explanation: All you have to do is plug in the numbers and solve the equation. B is not correct, because 35+40(9) is not equal to 355.

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Find the distance between (2,4) and (12, 9) on a coordinate plane. round to the nearest tenth if necessary. *
atroni [7]
Use pythagoras

d = √(Δx² + Δy²)
d = √(12-2)² + (9-4)²
d = √(10² + 5²)
d = √(100 + 25)
d = √125
d = 5√5
d = 5 × 2.236
d = 11.18

The nearest tenth is 11.2, so the distance is near to 11.2
4 0
3 years ago
Jenna is making hamburgers. She puts sauce on every 2nd burger, pickles on every 3rd burger, and onions on every 5th burger.How
kotykmax [81]

Answer:

3

Step-by-step explanation:

find the lowest common multiple of 2, 3, and 5.

That is 30.

So every 30th burger will have all 3 condiments.

100/30 = 3 and 10 left over.

We only care about the 3

3 0
2 years ago
Work out the mean for the data set below: 6, 4
aliina [53]

Answer:

5

Step-by-step explanation:

The mean is the same as the average value of a data set and is found using a calculation. Add up all of the numbers and divide by the number of numbers in the data set.

8 0
3 years ago
A construction crew has just finished building a road. the road is 8 kilometers long. if the crew worked for 335 days, how many
elena-s [515]
8/335 km/day
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7 0
3 years ago
PLEASE HELP!!! PLATO ALGEBRA 2
andrey2020 [161]

Answer:

(gof) (4) = 9

Hence, option A is true.

Step-by-step explanation:

f(x)=-x³

g(x)=|1/8x -1|

(gof) (4) = g{f(4)}

First wee need to determine f(4)

f(4)=-(4)³

    = -64

so

  (gof) (4) = g{f(4)} = g(-64)

                             =  \left|\frac{1}{8}\left(-64\right)-1\right|

                             =\left|-\frac{1}{8}\cdot \:64-1\right|

                             =\left|-8-1\right|

                             =\left|-9\right|

\mathrm{Apply\:absolute\:rule}:\quad \left|-a\right|=a

                             =9        

Thus,

(gof) (4) = 9

Hence, option A is true.

8 0
2 years ago
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