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gtnhenbr [62]
3 years ago
15

A cell phone company charges $300 for a new phone and $40 for a monthly plan. If C (t) is a rational function that represents th

e average monthly cost of owning the cell phone, what is the range of the function?
R: ℝ
R: (0, 300)
R: (40, 340)
R: (–∞, ∞)
Mathematics
2 answers:
Leno4ka [110]3 years ago
8 0

Answer:

The $300 charge will last until the new phone is paid off. After that the monthly charge will be $40 only.

<u>The range of the function will be between $40 and $340:</u>

  • R:[40, 340]

Correct choice is C

Zepler [3.9K]3 years ago
7 0
  • Charge for new phone =$300
  • Charge per month as monthly plan=$40

Now

\\ \rm\hookrightarrow \mathbb{R}=(x,y)

\\ \rm\hookrightarrow \mathbb{R}=(40,300)

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mario62 [17]

Answer:

I got one

Step-by-step explanation:

C.converse of the corresponding angles postulate

∠1 = 58° ( alternate angles )

HOPE THIS HELPS:)

STAY SAFE

∠1 and ∠2 form a straight angle and are supplementary, thus

∠2 = 180° - 58° = 122°

8 0
3 years ago
45 POINTS PLEASE HELP!
andrew-mc [135]

Hello,

Question:

Jack popped some popcorn, but 3 of the 150 kernels did not pop.

Determine which popcorn snacks below has the same ratio of unpopped to total kernels as Jack's popcorn.

We Know:

3 out of 150 did not pop

Solution:

3/150 = 3 to 150

Find ratios similar to this one,

4/200

2/100

1/50

So now we know for every kernel that dosent pop there are 50 that did.

Answers:

4 unpopped out of 200 kernels

1 unpopped out of 50 kernels

8 0
4 years ago
Read 2 more answers
During the month of February, Fabulous Feet Shoe Mart sold 30 pairs of red loafers. After an ad campaign to boost sales, they so
Natalija [7]

Answer:

20%

Step-by-step explanation:

To find the percent increase lets first find the increase.

36-30 = 6

Now divide the increase by the original amount

6/30 = 1/5 = 20%

5 0
4 years ago
If x=3+root8 and y =3- root 8 find 1/x^2+1/y^2
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Answer:

34

Step-by-step explanation:

x=3+√8

y =3-√8

now,

1/x^2+1/y^2

=1/(3+√8)² + 1/(3-√8)²

= [(3-√8)²+(3+√8)²] / (3+√8)²(3-√8)²            [L.C.M  = (3+√8)²(3-√8)² ]

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=[6²-2.(3²-√8² )] / (3²-√8²)²                 [ a²+ b²=(a+b)²-2ab]

=[36-2(9-8) ]/ (9-8)²

=[36-2.1] / 1²

=34

3 0
3 years ago
What is a limited liability company?
Alla [95]

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