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Gnom [1K]
3 years ago
11

Kelly purchased a tablet that was 20% off the regular price of $1,000. If an

Mathematics
1 answer:
Masteriza [31]3 years ago
4 0

Answer:

$864

Step-by-step explanation:

20% off of 1000= 800

800*1.08(108% in decimal form)=864

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What is the value of <br> 6x²+4x+8 when x =7
Ann [662]

Answer:

330

Step-by-step explanation:

6x²+4x+8

Let x=7

6 ( 7)^2 + 4(7) +8

6*49+ 28+8

294+28+8

330

8 0
3 years ago
Suppose the function h(x)=2x-9 is translated up 5 united to become a new function, i(x). what the equation of the new function?
andreyandreev [35.5K]

Option B

i(x) = 2x - 4 is the equation of the new function

<em><u>Solution:</u></em>

Given that the function h(x) = 2x-9 is translated up 5 united to become a new function, i(x)

To find: Equation of new function

The graph of a function can be moved up, down, left, or right by adding to or subtracting from the output or the input.

Adding to the output of a function moves the graph up

Therefore,

Given function is:

h(x) = 2x - 9

Translated up by 5 units

<em><u>Therefore, new function is:</u></em>

i(x) = h(x) + 5

i(x) = 2x - 9 + 5

i(x) = 2x - 4

Thus Option B is correct

6 0
3 years ago
Suppose a firm in a competitive market earned $1,000 in total revenue and had a marginal revenue of $10 for the last unit produc
aleksklad [387]

Answer:

      $5 and 50 units

Step-by-step explanation:

5 0
3 years ago
If p(x) = x2 - 1 and (x)= 5(x-1), which expression is equivalent to (0-2)(x)?
gulaghasi [49]

Answer:

The first one

Step-by-step explanation:

7 0
3 years ago
The sides of a whiteboard are 16 inches by 10 inches. How many 2 inch by 2 inch Post-it notes will be needed to cover the entire
sertanlavr [38]

Answer:

40 Post-it notes

Step-by-step explanation:

10/2 = 5 on the side that measures 10"

16/2 = 8 on the side that measures 16"

5 x 8 = 40 post-it notes

6 0
3 years ago
Read 2 more answers
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