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Alex_Xolod [135]
3 years ago
6

Simplify the expression 8+3z-z

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0

Answer:

8+2z

Step-by-step explanation:

8+(3z-z=2z)=

8+2z

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Harry owes the bank money. To repay his debt, he paid $150 back to the bank each month. After 10 months, his
tamaranim1 [39]

Answer:

HIS DEBT WAS __

Step-by-step explanation:

his original debt was 8400 as after 10 months of repeatedly paying the bank 150 bucks the total amount came to 1500 bucks and the remaining debt was 6900 so 6900 + 1500 = 8400 bucks

4 0
3 years ago
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I need help can someone help me (:
vladimir2022 [97]
Hey there!

To solve the first problem, I've found it easiest to solve the equation for, say, values –2 through +2 and create a table of values for you to begin graphing this function. You may need to do more depending on the equation itself. 

Some points are: (–2, 0.75), (–1, 1.5), (0, 3), (1, 6) and (2, 12). You can check which graph matches up with these points the closest to get your answer of D. 

To solve the second problem, you'll need to use the distance equation.

x1 = –4, y1 = 3
x2 = –1, y2 = 1 
  ___________________
√ (x2–x1)^2 + (y2–y1)^2
  _________________
√ (–1–(–4)^2 + (1–3)^2
  _______________
√ (–1+4)^2 + (–2)^2
  ____________
√ (3)^2 + (–2)^2
  _____
√ 9 + 4
  ___
√ 13, making your answer D

For your third question, I always just counted the number of units the point was from the line of reflection. You'll count twice diagonally towards the line from point C for this one, staying on the "crosshairs" of the graph. All you need to do then is count two diagonal units along the same line, then you'll get your answer of (2, 6), or D. 

For your final question, A and B are immediately out, since they won't be parallel to the 4x equation. You'll need to solve both of your remaining equations for y with 2 plugged in for x; whichever one equals 7 will be your answer. In this case, it will be D. 

Hope this helped you out! :-)
3 0
3 years ago
3.14 rounded to the nearthest hundred
ICE Princess25 [194]

Answer:

The answer is also 3.14 when you round it up

4 0
2 years ago
a) Students returning to a secondary school have to pass through a check point at the rate of 50 per though. The average time fo
Annette [7]

Answer:

175

Step-by-step explanation:

Average queue length = (arrival rate * service time) / (1 - arrival rate * service time)

For the given problem, the average queue length is:

Average queue length = (50 * 35) / (1 - 50 * 35)

= 175

6 0
2 years ago
What is x divided by y
Natalija [7]

Answer:

X/Y

Step-by-step explanation:

You cannot divide two variables so you just leave it as a fraction

3 0
4 years ago
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