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Dmitrij [34]
3 years ago
15

Please help I will mark as brilliant

Mathematics
2 answers:
Hitman42 [59]3 years ago
7 0

Answer:

rate of change is also know as the slope and so -3x would be your rate of change so the anwser should be -3

Step-by-step explanation:

sweet [91]3 years ago
5 0

Answer: x=2

Step-by-step explanation:

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A laundromat charges $10.80 to clean 18 pounds of laundry. At the same rate, how much will the laundromat charge for 28 pounds o
Drupady [299]

Answer: 16.80 for 28 pounds of laundry

7 0
3 years ago
The scatterplot shows the average miles per gallon versus the age, in years, of a car.
densk [106]

Answer:

The sign would remain the same.

It would have the same value.

ED2021

5 0
2 years ago
Multiplies to -1120 adds to 3
TEA [102]
With these, always write out the multiples first.

Start like this:
(assume one of the factors is negative)
1 and 1120
2 and 560
4 and 280
5 and 224
7 and 160
8 and 140
10 and 112
14 and 80
16 and 70
20 and 56
28 and 40
32 and 35

from those, the obvious choice is the one with a difference of three. In this case, 32 and 35, because -32 + 35 equals 3.
6 0
3 years ago
The total stopping distance T for a vehicle is T = 2.5x + 0.5x 2 , where T is in feet and x is the speed in miles per hour. Appr
Kobotan [32]

Answer:

%  change in stopping distance = 7.34 %

Step-by-step explanation:

The stooping distance is given by

T = 2.5 x + 0.5 x^{2}

We will approximate this distance  using the relation

f (x + dx) = f (x)+ f' (x)dx

dx = 26 - 25 = 1

T' =  2.5 + x

Therefore

f(x)+f'(x)dx = 2.5x+ 0.5x^{2} + 2.5 +x

This is the stopping distance at x = 25

Put x = 25 in above equation

2.5 × (25) + 0.5× 25^{2} + 2.5 + 25 = 402.5 ft

Stopping distance at x = 25

T(25) = 2.5 × (25) + 0.5 × 25^{2}

T(25) = 375 ft

Therefore approximate change in stopping distance = 402.5 - 375 = 27.5 ft

%  change in stopping distance = \frac{27.5}{375} × 100

%  change in stopping distance = 7.34 %

6 0
3 years ago
Helppppppppppppppppppppp
ivolga24 [154]

Answer: x=2

Step-by-step explanation: Solve for x in the first equation.

Hope this helps you out! ☺

8 0
3 years ago
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