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Leviafan [203]
2 years ago
5

Please help 20 points

Mathematics
2 answers:
loris [4]2 years ago
4 0

Answer:

10 4/7

Step-by-step i used photo math

Gala2k [10]2 years ago
3 0

Answer:

Step-by-step explanation:

But where’s the question

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the table below shows the function of f determine the value of f(3) that will lead to an average rate of change of 19 over the i
3241004551 [841]

ANSWER

f(3) =  - 25

EXPLANATION

We want to determine the value of f(3) that will lead to an average rate of change of 19 over the interval [3, 5].

The average rate of change of f(x) over the interval [a,b]:

=  \frac{f(b) - f(a)}{b - a}

If the average rate of change over the interval [3, 5] is 19, then;

\frac{f(5) - f(3)}{5 - 3}  = 19

From the to table f(5)=13

\frac{13 - f(3)}{2}  = 19

13 - f(3) = 19 \times 2

13 - f(3) = 38

- f(3) = 38 - 13

- f(3) = 25

f(3) =  - 25

7 0
2 years ago
Expand the expression 10 (n-8)
Tcecarenko [31]
10n-80 is the answer
8 0
3 years ago
On a coordinate plane, a parabola opens down. It has an x-intercept at (negative 5, 0), a vertex at (negative 1, 16), a y-interc
weeeeeb [17]

Answer:

Step-by-step explanation:

Domain is all the x's and range is all the y's. There's no reason why you couldn't pop any x into the given equation and calculate it and get a number out. So literally ANY x can be used and found on this graph. So the domain is all real numbers, one of the first two answers is going to be the right one. Now, the range is all the y's on the graph. The problem says that the parabola opens down, which means it has a highest point. There is no graph above that point. That's the point (-1, 16). So 16 is the highest y-value you can find on the graph. All the rest of the y's are smaller. The range is all the y's such that the y's are 16 and smaller...in math that's written {y | y <= 16} So the second answer is the right one.

5 0
2 years ago
Kelly saved $150. That is 50% of the money she earned this summer. How much did Kelly earn this summer?
Orlov [11]

Question

Kelly saved $150. That is 50% of the money she earned this summer. How much did Kelly earn this summer?


Answer:

<h2>300$</h2>

Step-by-step explanation:

50% = 1/2 = 0.5

150 is the 50% of the money she earned this summer.

Solution

150 * 2 = 300$


3 0
2 years ago
Read 2 more answers
If you are currently making 6.75 per hour and you’re offered a new job that pays 7.47 per hour how much more would you make per
Nikolay [14]

Answer:

$0.72

Step-by-step explanation:

You are contrasting the numbers, so that means you are subtracting. When you subtract, the larger number goes on top..

7.47 - 6.75 = ?

So then you subtract and get $0.72.

I will make $0.72 more than I was at my current job.

-Mabel <3

6 0
3 years ago
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