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Mashutka [201]
3 years ago
13

Answer please thanks

Mathematics
1 answer:
Yakvenalex [24]3 years ago
7 0

Answer:

1. 24% decrease

2. 31% increase

Step-by-step explanation:

<u><em>hope you have a great day ma'am/sir   ФωФ</em></u>

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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
3 years ago
What are the values of x and y in the parallelogram?
postnew [5]

9514 1404 393

Answer:

  x = 60

  y = 30

Step-by-step explanation:

Adjacent angles are supplementary.

  (5x -180) +x = 180

  6x = 360 . . . . . . . . . . add 180, collect terms

  x = 60 . . . . . . . . divide by 6

Opposite angles are congruent.

  2y = 60 . . . . . . 2y = x

  y = 30 . . . . . . . .divide by 2

The value of x is 60; the value of y is 30.

6 0
3 years ago
Help me pleaseeee...
prisoha [69]

Answer:

90

Step-by-step explanation:

PVQ = 60 an RVS = 30,  60 + 30 = 90

7 0
3 years ago
The graphs below have the same shape. what is the equation o the red graph?
maw [93]

So the equation of the red graph is already given to us: f(x) = x^2. I assume you meant the blue graph?

We can use the vertex form: y = a(x - h)^2+ k, where (h,k) is the vertex. (We can ignore a because a is 1 for this graph.) Remember that the vertex is the maximum or minimum of a parabola and the point that the line of symmetry passes through. For f(x) the vertex is (0,0).

The vertex for g(x) is at (-4, -2) on the coordinate plane. (4 left, 2 down)

Plug into the vertex form:

y = (x - (-4))^2 -2

The double negative becomes a positive, and then you're done:

y = (x + 4)^2-2

5 0
3 years ago
Read 2 more answers
Please help Solve:(<br> 15-3x=3
olchik [2.2K]

Hi!

Answer:

\boxed{X=4}

Step-by-step explanation:

You subtract by 15 both sides of an equation.

15-3x-15=3-15

Simplify equation.

-3x=-12

Then, you divide by -3 both sides of an equation.

\frac{-3x}{-3}=\frac{-12}{-3}

Simplify.

12/3=4

\boxed{X=4}, which is our final answer.

Hope this helps!

Have a nice day! :)

:D

-Charlie

Thank you!

4 0
4 years ago
Read 2 more answers
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