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SVETLANKA909090 [29]
3 years ago
11

Tiana's math test score are 85 and 91 . she has one more test left. in order to earn and a, her average test score must be at le

ast 94. let x represent tiana's score on her next test. which inequalities could represent the possible test scores she can earn on the next test in order to earn an a? select all that apply
a. 94<85 91/2<100
b. 94<176 x/2<100
c. 94<85 91 x/3<100
d. 94<176/3<100
e. 94<=176 x/3<100
Mathematics
1 answer:
Harrizon [31]3 years ago
3 0
"at least " means her score has to be more or equal 94
94≤(85+91+x)/3
it looks like correct answer is e.

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100 Points to whoever answers
Kisachek [45]

The average rate of the change from x = 2 to x = 5 is about 20 , The domain is constrained at x =0

<h3>What is a Function ?</h3>

A function is a mathematical statement used to derive a relation between a dependent variable and an independent variable.

A) The vertical axis of the graph shows a company's profit f(x), in dollars, depending on the price of pencils x, in dollars, sold by the company , i.e is the x axis .

So the x-intercepts represent prices of the pencil at which the profit is 0

and The maximum value of the graph represents the maximum profit that can be obtained for any price of the pencil.

The Profit is increasing from (x = 0 to 5) and starts decreasing from x =5 to 10

B) From the graph

(f(5) -f(2))/(5 -2) = (160-100)/3  = 20

The average rate of the change from x = 2 to x = 5 is about 20.

This indicates that the profit will increase at a an average rate of $20 for each $1 increase in price in that interval.

(C)The domain is constrained at x =0 as there it cannot be concluded that if the price is 0 , the profit will be 0 , and we are obligated to sell the pencil at x =6 , as the maximum profits are booked at that point.

To know more about Function

brainly.com/question/12431044

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5 0
2 years ago
If all shoppers get 10% off their purchase today, what is the equation can be used to calculate the portion of the original pric
Olin [163]

Answer:

Step-by-step explanation:

Let the original cost be x

The shoppers get 10% of the original price

Therefore the equation to find final cost =

Discount: 10x/100

Final Cost: 90x/100

Mark brainliest for further answers :)

8 0
3 years ago
Sydney is purchasing new windows for her home, which have been quoted for
Verizon [17]

Answer: She's spending less so she should buy it becasue it's less than her overall.

Step-by-step explanation:

$18,000

Rate is 7.5

years 5

Intrest= 18000x7.5x5/100=

180x7.5x5/1=$6750

Selling price= $18000+$6750=$24750

8 0
2 years ago
The school store buys granola bars for $0.40 each and sells them for 0.65 .What is the percent markup?
Olegator [25]

The percent markup is 62.5%

The work is attached in the image.

8 0
3 years ago
Please please help!!
Jlenok [28]

Answer:

  y +4 = 1/5(x +5)

Step-by-step explanation:

The equation of a line with slope m through point (h, k) in point-slope form is ...

  y -k = m(x -h)

You have m=1/5, (h, k) = (-5, -4). Putting these values into the formula gives ...

  y -(-4) = (1/5)(x -(-5))

  y +4 = 1/5(x +5)

7 0
3 years ago
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