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3 years ago

Which graph is right?

Mathematics

1 answer:

stira [4]3 years ago

4 0

Answer:

Step-by-step explanation:

A "or equal to" sign always contains a black colored in circle... With it's pointy end pointing at which direction it is being located.

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Jane has a pre-paid cell phone with Splint. She can't remember the exact costs, but her plan has a monthly fee and a charge for

yan [13]

Answer:

The costs of the plan are $0.15 per minute and a monthly fee of $39

Step-by-step explanation:

Let

x ----> the number of minutes used

y ----> is the total cost

step 1

Find the slope of the linear equation

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have the ordered pairs

(100,54) and (660, 138)

substitute

$m=\frac{138-54}{660-100}$

$m=\frac{84}{560}=\$0.15\ per\ minute$

step 2

Find the equation of the line in point slope form

$y-y1=m(x-x1)$

we have

$m=0.15\\point\ (100,54)$

substitute

$y-54=0.15(x-100)$

step 3

Convert to slope intercept form

Isolate the variable y

$y-54=0.15x-15\\y=0.15x-15+54\\y=0.15x+39$

therefore

The costs of the plan are $0.15 per minute and a monthly fee of $39

6 0

3 years ago

Plz help me!!!! I'll mark first correct answer brainliest!!!!

ANEK [815]

It would be 2 6/7
the reason why it is right because i am so smart and i am in school...

7 0

3 years ago

Estimate 5.9* 3.4 find the answer please help

zvonat [6]

Since it says ESTIMATE:
round 5.9 to 6 and 3.4 to 3
6* 3 = 18
The estimate would be LETTER C 18

4 0

3 years ago

Helen got a $7 reduction in the price of a pair of jeans that are normally $32. What is the approximate percent decrease in the

Mila [183]

I believe it is 21% decrease sorry if it’s not

6 0

3 years ago

Read 2 more answers

PLEASE HELP 15 POINTS<br> Find m RS<br> S<br> (6x-28)<br> (4x+ 20)

dimaraw [331]

Answer:

arc RS = 116°

Step-by-step explanation:

Since the 2 chords are congruent then their minor arcs are congruent, that is

SR = TU, substitute values

6x - 28 = 4x + 20 ( subtract 4x from both sides )

2x - 28 = 20 ( add 28 to both sides )

2x = 48 ( divide both sides by 2 )

x = 24

Then

arc RS = 6x - 28 = 6(24) - 28 = 144 - 28 = 116°

8 0

3 years ago