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navik [9.2K]
2 years ago
12

Im unsure how to do this

Mathematics
2 answers:
SOVA2 [1]2 years ago
8 0
The answer will be:

7-8x-6x^2
kkurt [141]2 years ago
4 0
Try combining the numbers with like terms, like 5x^2 and -11x^2. Then I will help you out.
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Plese help i need the answer
Sladkaya [172]

Using linear function concepts, it is found that:

a) The initial value is of 3 and the rate of change is of 20.

b) The rate of change means that for <u>each hour, the cost increases by 3 Dhs</u>, while the initial value means that <u>a flat fee of 20 Dhs is paid</u>.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and also can be considered as the initial value.

In this problem, the function that gives the charge C for renting a bicycle for h hours is:

C(h) = 3h + 20

Item a:

Comparing to the standard function, we have that:

  • The initial value is of 3 and the rate of change is of 20.

Item b:

The rate of change means that for <u>each hour, the cost increases by 3 Dhs</u>, while the initial value means that <u>a flat fee of 20 Dhs is paid</u>.

You can learn more about linear function concepts at brainly.com/question/24808124

6 0
2 years ago
1. Write the equation for a line in point slope form that had a slope of 4 and passes through (1,1)
Dahasolnce [82]

Solution:

<u>Note that:</u>

  • Slope = m = 4
  • Given point: (x₁,y₁) = (1,1) [x₁ = 1; y₁ = 1]
  • Formula: y - y₁ = m(x - x₁)

<u>Use the formula to convert the line in point slope form.</u>

  • y - y₁ = m(x - x₁)
  • y - 1 = 4(x - 1)

The equation of the line (In point slope form) is y - 1 = 4(x - 1).

8 0
2 years ago
Read 2 more answers
HELLLPLPPPPPP PLEASEEEEEEEE!!!!!!!!
svlad2 [7]

Answer:

tell your teacher to help u

Step-by-step explanation:

5 0
3 years ago
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A model car is 3 3/4 inches long.using a scale of 1/2 inch=2 feet,find the actual length of the car
MaRussiya [10]

Answer:

14.25 because for every 1/2 inch, the car is 2 feet.

Step-by-step explanation:

8 0
3 years ago
Help <br> factor n^2-10n+24
balu736 [363]
Factors of 24 that would also add up to -10 would be -12 and 2 soo. you would factor out the n's to get:
(n-12)(n+2)
8 0
3 years ago
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