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aliina [53]
3 years ago
5

Please help me thank you

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

(2,3)

Step-by-step Explanation:

2x - y = 1

-y = -2x + 1

y = 2x - 1

4x + y = 11

4x + 2x -1 = 11

6x = 12

x=2

y=2x-1

y=2(2)-1

y=3

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Can someone help me asap
Alenkasestr [34]

Answer:

I hope this is helpful

Step-by-step explanation:

mark brainlest pls

4 0
2 years ago
Tapiwa takes 5% more leaves than adam raked. together they raked 697 liters of leaves
Nina [5.8K]
----------------------------------
Define their percentage:
----------------------------------
Adam = 100%
Tapiwa = 100 + 5 = 105%

----------------------------------
Find their total percentage:
----------------------------------
100 + 105 = 205

----------------------------------
Find 1%
----------------------------------
205% = 697 liters
1% = 3.4 liters

----------------------------------
Find 100% (Adam):
----------------------------------
100% = 3.4 x 100
100% = 340 liters

----------------------------------
Find 105% (Tapiwa):
----------------------------------
105% = 3.4 x 105 
105% = 357 liters

--------------------------------------------------------------------
Answer: Tapiwa =  357 liters and Adam = 340 liters.
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8 0
3 years ago
Jeremy's score was 1.75 standard deviations above the mean. which kf thr following is closest to his percentile rank
Gelneren [198K]
The answer is 96%.

Explanation:
It is generally presumed that the scores are normally distributed.

1) You are given how many standard deviations from the mean Jeremy's score is. This is exactly the definition of the z-score. Therefore z = 1.75

2) Look at a left-tail z-table in order to find the area of the normal curve on the left of your z-score (see picture attached). A = 0.9599

3) Multiply the area by 100 in order to find the percentile:
<span>0.9599 </span>× 100 = 95.99
Therefore, 95.99% of the students scored less than Jeremy.

Hence, the answer is 96%.

4 0
3 years ago
What is the length of (AB)?
earnstyle [38]
  • AB = 4 units
  • BC = 8 units
  • perimeter = 2(l+b) = 2(8+4) = 2(12) = 24 units

hope it helps...!!!

3 0
2 years ago
Read 2 more answers
Score Number of Students
Radda [10]

Answer:

mean is 75

Step-by-step explanation:

8 0
3 years ago
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