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natali 33 [55]
4 years ago
14

Please help with these math questions

Mathematics
1 answer:
Anvisha [2.4K]4 years ago
4 0
Rate of change is m in y=mx+b
also, starting value=when x=0

since so many questions I will not show work

1. A positive
2.B negatvie
3.B negative
4.B negative



2. B y=5x+4


3. B y=7x-8




4. C  12x+6y=30





5. plumber=140
electrition=115
per our means how much does he charge for 1 hour so subsitute 1 for x or find where 1 is

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Describe how to determine the average rate of change between x = 3 and x = 5 for the function f(x) = 3x3 + 2. Include the averag
Serhud [2]

Answer:

147

Step-by-step explanation:

Average rate of change is given by the total rise over total run.

f(x) = 3x^3+2\\f(3)=3*3^3+2=83\\f(5)=3*5^3+2 = 377

So,

total rise = 377 - 83 = 294

total run = 2

average rate of change = \dfrac{294}{2} = 147

8 0
3 years ago
Please Help Me!!!!!! I have a big test tomorrow!!!!!!!! I will give 30 points!!!!!!!!! The expression represents the number of m
il63 [147K]

Answer:

For this expression I guessed I would use subtraction because when you subtract Kimiko's miles to Celeste's miles you could see how much faster Kimiko was than Celeste.

Step-by-step explanation:

4 0
3 years ago
Terrence is playing a game in which he will randomly select one square tile and one round tile from the tile sets shown below. B
VMariaS [17]

Answer:

letter c

Step-by-step explanation:

7 0
4 years ago
Read 2 more answers
the coordinates of three of the vertices of a parallelogram are given. Find the possible coordinates for the fourth vertex. L (0
frosja888 [35]

Answer:

Step-by-step explanation:

Given Coordinates of three vertices of the parallelogram L(0,4), M(6,0), N(2,4).

Corresponding to each vertex, there are three possibilities of having a fourth vertex

Coordinates of fourth vertex opposite to L is given by

(x,y)

(6+2−0,0+4−4)=(8,0)

Coordinates of fourth vertex opposite to M is given by

(x,y)=(0+2−6,4+4−0)=(−4,8)

Coordinates of fourth vertex opposite to N is given by

(x,y)=(0+6−2,4+0−4)=(4,0)

Therefore, the possible coordinates of the fourth vertex are

(8,0);(−4,8) and(4,0)

7 0
4 years ago
Please help. Will be rewarded 20 points!
zalisa [80]

Answer:

$200

Step-by-step explanation:

2.5 % commission on sales

he sold 8000

his commission will be sales * 2.5%

commission = 8000 * .025

                     = 200

8 0
3 years ago
Read 2 more answers
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