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Serga [27]
3 years ago
9

Please help me quickly

Mathematics
2 answers:
Andrews [41]3 years ago
4 0

Answer:

The answer is -4

Step-by-step explanation:

horsena [70]3 years ago
4 0

Answer:

-4

Step-by-step explanation:

PEMDAS

-3*2=-6

-6-6=-12

-12+8= -4

I hope you learned something from this

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A plumber charges $50 to make a house call. He also charges $25 per hour for labor. If the bill from the plumber is $162.50.
blsea [12.9K]
4.5 hrs because 162.50-50 = 112.50
112.50/25= 4.5
3 0
2 years ago
80 dollars for 16 tickets written as a unit rate, what is it?
shepuryov [24]

Answer:

5 dollars a ticket. Divide 80/16 to get tour answer.

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
Tiana is on a 25-foot ladder that is leaning against her house. Its base is 7 feet from the base of the house. The ladder slips
Lostsunrise [7]

Answer:

4 ft downwards

Step-by-step explanation:

old height off the ground :

7^2+b^2=25^2

49+b^2=625

b^2=576

b=24

new height off the ground :

7+8=15

15^2+ b^2 =25^2

225+b^2 = 625

b^2 = 400

b=20

difference between heights :

24 - 20 =  4

4 0
3 years ago
Write the inequality for the graph.
Slav-nsk [51]

9514 1404 393

Answer:

  -1 < x < 2

Step-by-step explanation:

The graph indicates the variable may take on values between -1 and 2, not including those values. The compound inequality is written ...

  -1 < x < 2

6 0
3 years ago
Alexis put $2000 in savings account. After 4 years, she had $2543 in the account. What rate of interest did she earn?
Marizza181 [45]

Answer:

A

Step-by-step explanation:

Hihi. So, this is a nice application of interest rates as well as properties of exponentials/logarithms. As you know, the basic equation for interest rates is A= Pe^(rt) where A is your final amount, P is your initial, r is your rate of interest, and t is the time the money was accumulating interest. After cleaning up, you get in a situation due to you having e still lying around. Luckily, if you take the natural log of e, all you have left behind is the previous exponent. Thus, you can take the natural log of both sides, divide by 4, and then simplify to see that your final interest rate is ~6%

5 0
3 years ago
Read 2 more answers
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