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Neporo4naja [7]
3 years ago
8

2.

Mathematics
2 answers:
algol133 years ago
6 0

Answer:

19:20

Step-by-step explanation:

500 test scores

25 failing

500 -25 = 475 = passing scores

passing:all scores

475: 500

Divide each side by 25

475/25:500/25

19:20

Sliva [168]3 years ago
3 0

Answer:

Simply subtract the fail rate from 100; the resulting number is the pass rate. So, if you know that 6 percent of students failed, you would subtract: 100 - 6 = 94 percent is the pass rate for the test.

Step-by-step explanation:

You might be interested in
What is the range for 25,25,21,28,37,26
lina2011 [118]

Answer:

16 is the range

Step-by-step explanation:

First, arrange the numbers from least to greatest.

21, 25, 25, 26, 28, 37

Then, subtract 21 (smallest number) from the 37 (biggest number).

37 - 21 = 16

So, the range is 16

Have a wonderful day!

7 0
2 years ago
Solve for x. assume that lines which appear to be tangent are tangent
Setler [38]

Answer: 9

Step-by-step explanation:

2X+5=3X-4

-2X. -2X

5= X-4

+4

9=X

7 0
3 years ago
Can someone please help me i don’t really understand these questions
Gemiola [76]

7) 9

8) 4

9) 20

Trust me

8 0
3 years ago
Solve for x using the Quadratic Formula: x2 + 4x + 4 = 0<br> -b + Vb2 - 4ac<br> x=<br> 2a
Irina18 [472]

Answer:

x = -2.

Step-by-step explanation:

In this case, a is 1, b is 4 and c is 4.

-4 plus or minus the square root of 4^2 - 4 * 1 * 4 divided by 2 * 1 = -4 plus or minus the square root of 16 - 16 / 2 = -4 plus or minus the square root of 0 / 2 = -4 / 2 = -2.

x = -2.

Hope this helps!

8 0
3 years ago
(9 – 23) + |47 – 16|
laiz [17]

You answer is: 17

Or otherwise B. is your correct answer.

(9 - 23) = -(14)

| 47 - 16| = 31

31 + (-14) = 17

5 0
3 years ago
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