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RSB [31]
3 years ago
7

A college student is looking for a data plan for her cell phone. She has found an option that offers a 2 gigabyte monthly allowa

nce for data.
The monthly cost of this plan can be represented by function C, defined by:

C(x) = 30x + 5, where x is the gigabyte of data used over the monthly allowance.

Find C(0.7)

Select the correct answer as well as the correct explanation for the situation.
Group of answer choices
A. C(0.7)= 26 This means the plan costs $26 a month.
B.vC(0.7)= 26 This means that the cost would be $26 if she uses 0.7 gigabytes over the 2 gigabytes allowance in a month.
C. C(0.7) = 50 This means that the cost would be $50 if she goes over the 2 gigabytes monthly allowance.
Mathematics
2 answers:
bearhunter [10]3 years ago
8 0

2=1-2=2

+12-14= so this is the total boos you have 900=500

SOVA2 [1]3 years ago
4 0
Just a question, is that v supposed to be there for answer B ?
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$3 per burger. You divide 75 by 25.
4 0
3 years ago
Negative 4.2x+31.5=negative 65.1
Rasek [7]
It is a linear simple equation for one unknown, lets solve it!
-4.2x + 31.5 = -65.1
we can easily get rid of decimals if we multiply the whole equation times 10:
<span>-42x + 315 = -651
</span>-42x = -651 - 315 = -966
x = 966/42
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that is the solution
7 0
4 years ago
Read 2 more answers
The area of a square is 5 far more than the perimeter. Find the length of a side.
sweet [91]

The length of a side of square is 5.

Step-by-step explanation:

Given,

Area of square = a²

Perimeter of square = 4a

According to given statement;

Area of square = Perimeter + 5

a^2=4a+5\\a^2-4a-5=0

Factorizing the equation;

a^2-5a+a-5=0\\a(a-5)+1(a-5)=0\\(a-5)(a+1)=0

Either,

a-5=0         => a=5

Or,

a+1=0         => a= -1

As length of a side cannot be negative, therefore,

Length of a side of square = 5

The length of a side of square is 5.

Keywords: area, perimeter

Learn more about perimeter at:

  • brainly.com/question/11016712
  • brainly.com/question/11108818

#LearnwithBrainly

3 0
4 years ago
Given a = -3 and b= 4 and c=-5, evaluate<br> atb<br> C<br> -1/5<br> O 1/5<br> 0 -7/5
stiv31 [10]

Answer:

I got - 5 as an answer.

I don't think I made a mistake.

Please if you find any error, contact me in the comment section.

Step-by-step explanation:

a = -3 , b= 4 ,c= - 5\\(a+b)c\\(-3+4)-5\\(1)*(-5)\\Answer =  -5

8 0
4 years ago
Select the correct location on the table.
Bas_tet [7]

Answer:

left one on 3rd row

Step-by-step explanation:

using the rules of exponents/ radicals

a^{-m} = \frac{1}{a^{m} }

a^{\frac{m}{n} } = \sqrt[n]{a^{m} }

given

12^{-\frac{4}{7} }

= \frac{1}{12^{\frac{4}{7} } }

= \frac{1}{\sqrt[7]{12^{4} } }

6 0
2 years ago
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