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omeli [17]
3 years ago
12

What is f(-2) if f(x)=1/2x

Mathematics
1 answer:
Butoxors [25]3 years ago
4 0

f(x) means x = -2 if you multiply 1/2 by -2 you get -1

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I need to know the answer to this question
Lana71 [14]

Answer:

6= 15 1/3

Step-by-step explanation:

8 + 6=14

1/2=5/10

3/5=6/10

6/10+5/10=11/10=1 1/2

14+1 1/2= 15 1/2

4 0
3 years ago
My monthly cell phone bill is $40 plus $.10 for each text message. Write an equation to show the cost of texting. What is my tot
Otrada [13]

Answer:

y=.1x+40; Your total monthly bill is $48 for 80 text messages.

Step-by-step explanation:

y is your total bill

x represents each text message

40 is you cellphone bill cost

.1 is the cost per text message

(y=.1x+40 becomes your equation)

plug 80 to represent "x"

y=.1*80+40 --->  y=48

your total monthly bill is $48

8 0
3 years ago
One order of fries costs $1.90. If an order is placed for 6 orders of fries, what will the total cost of the order be? ​ ​The or
Vera_Pavlovna [14]

Answer: The Cost For 6 Orders is         (11.4)

Step-by-step explanation:

How did I get it?

Step 1: I did   (1.90 x 6.00) = (11.4)

6 0
3 years ago
2log2 8 – 3 logs 25 + 2x = log 10,000<br> may you show the steps please
anzhelika [568]

Answer: x=2 - 1/2 x ㏒(16/2953125)

Step-by-step explanation:

  • log (28^2) + log(525^-3) + 2x=log(10^4)
  • log(28^2 x 1/523^3) + 2x=4
  • log(28^2/525^3) + 2x=4
  • log (112/75 x 75 x 525) + 2x=4
  • log(16/2953125) + 2x=4
  • 2x=4-log(16/2953125)
  • <u><em>x=2-1/2 x log(16/2953125)</em></u>

8 0
3 years ago
Today, a bicycle rider rode her bike 5 1/2 miles to raise money for her school. Yesterday, she rode 6 1/4 miles her grandfather
Alex

Answer:

<em>.125 or 1/8</em>

Step-by-step explanation:

The question is looking for the difference divided by the long ride. The long ride is 6 1/4 miles, so now we need to find the difference.

In order to do this, we take the larger distance and subtract the smaller distance.

We would take (Tip: Use decimals when you can. They are easier to work with ) 6.25 - 5.5 and we get .75 or 3/4 of a mile.

Now, we put .75 over 6.25 and simplify.

.125 or 1/8

8 0
3 years ago
Read 2 more answers
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