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Dafna11 [192]
3 years ago
14

Write a function for the situation. Is the graph continuous or discrete?

Mathematics
2 answers:
IgorC [24]3 years ago
8 0
C=11n

The cost needs to be equal to the amount of DVDs * 11 since they are $11 each.  So if you had bought two:

C=2(11) = 22
jonny [76]3 years ago
7 0
Alrighty, so, 11n=C because n=DVDs time 11 per DVD equals the total cost!

Hope this helps! (:
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Enter the value for x that makes the equation 2(x – 3) + 21 = –3 true.
solong [7]
The answer is x= -9.
7 0
3 years ago
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Use I = PRT to find the total amount in the savings account.
slamgirl [31]

Answer:

\boxed {\boxed {\sf \$ 1803.80}}}

Step-by-step explanation:

We are using the formula I=PRT and calculating simple interest.

I=PRT

<em>I</em> is the interest, <em>P</em> is the principal or starting amount, <em>R </em> is the interest rate as a decimal, and <em>T</em> is the time in years.

We know that there is $1555.00 at 8% for 2 years. First, convert the interest rate to a decimal. Divide the rate by 100 or move the decimal place 2 spots to the left.

  • 8/100 = 0.08
  • 8. --> 0.8  --> 0.08

Now we know all the values:

  • P= 1555.00
  • R= 0.08
  • T= 2

Substitute the values into the formula.

I= (1555.00)(0.08)(2)

Multiply.

I=124.4(2)

I=248.8

The account earned $248.80 in interest, but the question asks for the total amount in the account. We must add the interest to the starting amount.

1555.00 +248.80

1803.8

After 2 years, the savings account had <u>$1803.80</u>

7 0
3 years ago
Read 2 more answers
If f(x) = 7 (x-1) + 8 , what is the value of f (1)
Flauer [41]

Answer:

f(1) = 8

Step-by-step explanation:

Step 1: Define

f(x) = 7(x - 1) + 8

f(1) = x = 1

Step 2: Substitute and evaluate

f(1) = 7(1 - 1) + 8

f(1) = 7(0) + 8

f(1) = 8

5 0
3 years ago
It costs $4 to skate each hour and there is a one time fee of $5 for the skate rental. Which expression represents the cost to s
Ymorist [56]

Answer:

20

Step-by-step explanation:

if you multiple 5 by 4 you will get 20 so the final answer is 20

4 0
3 years ago
Question 1 through 6 . <br> THANKS.
Sergio039 [100]
Remember, these are quadrilaterals, so they must add up to 360°. Just add up the angles and then do 360 minus that number to solve for x. Therefore: 1. 118 + 90 + 99 = 307 360 - 307 = 53 2. 110 + 96 + 78 = 284 360 - 284 = 76 3. 48 + 118 + 97 = 263 360 - 263 = 97 4. 105 + 99 + 64 = 268 360 - 268 = 92 5. 103 + 63 + 113 = 279 360 - 279 = 81 6. 95 + 80 + 88 = 263 360 - 263 = 97
4 0
4 years ago
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