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ra1l [238]
2 years ago
8

Question 1 of 10

Mathematics
2 answers:
Amanda [17]2 years ago
7 0

Answer:

90hours

Step-by-step explanation:

Addition of 10 hours= Addition of 150$

an=a+(n-1)d

2450=1250+(n-1)(150)

120/15=n-1

8+1=n

n=9

and 9x10=90 (each n=10hours)

Thus:

B. 90 hours

Brianliest please

zheka24 [161]2 years ago
4 0

Answer:

90 hours of training would you need to pay

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Softa [21]

Answer:

step 1. DBE ~ ABC

step 2. (x + 5)/4 = (2x + x + 5)/(4 + 3)

step 3. ( x + 5)/4 = (3x + 5)/7

step 4. 7x + 35 = 12x + 20

step 5. 5x = 15

step 6. x = 3.

6 0
2 years ago
PLEASE ANSWER THIS IS URGENT!!!!
liberstina [14]

Answer: 0 ≤ y ≤ 70 and 0 ≤ x ≤ 500

Step-by-step explanation:

In this relation we have two things to analyze, the number of gallons of water in the heater, that is 500 gallons, and the time that it took to empty the heater.

Let's count the time.

First, there are 20 minutes in wich 100 gallons are drained.

then, another drain valve is opened, so in 20 minutes they drain 200 gallons of water.

now, the wait for 10 minutes.

Now there are 200 gallons remaining, so the workers must wait for the other 20 minutes to drain the 200 gallons remaining.

The total amount of time is 70 minutes.

So if we have a relationship of water in the heater vs time, where X is the water remaining and Y is the time, the correct domains are:

Y from 0 minutes to 70 minutes

X from 0 gallons to 500 gallons  

So the correct options are C and E.

0 ≤ y ≤ 70 and 0 ≤ x ≤ 500

4 0
3 years ago
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Ivenika [448]

Answer:

Step-by-step explanation:

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3 0
3 years ago
What is the next term of the arithmetic sequence?<br> −7,−3,1,5,9,
Hunter-Best [27]

Answer:

13, 17, 21, 25, 29,..

Step-by-step explanation:

-7 + 4 = -3

-3 + 4 = 1

1 + 4 = 5

5 + 4 = 9

9 + 4 = 13

...

3 0
2 years ago
Marco has 1 3/4 pounds of potato salad. How many 1/8 pound servings can he make?
emmasim [6.3K]
You can subtract 1 3/4 and 1/8.

7 0
3 years ago
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