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____ [38]
2 years ago
14

Help me with this i'll give you 30 points

Mathematics
2 answers:
Drupady [299]2 years ago
8 0
Hii
I believe the expression would be 2c-5
miss Akunina [59]2 years ago
5 0

Answer:

???????????????????????????????????????????????

Step-by-step explanation:

?????????????????????????????????????????????????

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Which of the following expressions is equivalent to 12x-3+2x+13
Goshia [24]

Answer:

You need to give us the answer choices

8 0
3 years ago
Simplify.
Citrus2011 [14]
First I'd expand the brackets so that you can re-simplify the values, so:
(2x + 3)(3x + 4)
6x^2 + 9x + 8x + 12
6x^2 + 17x + 12
The answer A. 2x(3x + 4) + 3(3x + 4) can be simplified the same way, with 6x^2 + 8x + 9x + 12, and so the answer is A. I hope this helps!
3 0
3 years ago
Read 2 more answers
Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st
hichkok12 [17]

Answer:

lower than Amanda:  816 students

Step-by-step explanation:

An equivalent way in which to state this problem is:  Find the area under the standard normal curve to the left (below) 940.

Most modern calculators have built in distribution functions.

In this case I entered the single command   normalcdf(-1000,940, 850, 100)

and obtained 0.816.

In this particular situation, this means that 0.816(1000 students) scored lower than Amanda:  816 students.

6 0
2 years ago
Read 2 more answers
PLZ HELP 50 POINTS AND BRAINLIEST
Roman55 [17]

Answer:

adjacent and supplementary

Step-by-step explanation:

∠ 1 and ∠ 2 are next to each other, that is adjacent.

∠ 1 and ∠ 2 form a straight angle and are supplementary.

5 0
3 years ago
Read 2 more answers
Cylinder A has a radius of 7 inches and a height of 5 inches. Cylinder B has a volume of 490π. What is the percentage change in
Maru [420]

The percentage change in volume from cylinder A to cylinder B; D: 100%

<h3>How to find the percentage change in Volume?</h3>

Formula for Volume of a Cylinder is;

V = πr²h

Thus, volume of Cylinder A is;

V_a = π * 7² * 5

V_a = 245π

Thus, percentage change in volume is;

[245π/(490π - 490π)] * 100%

Percentage change in volume = 100%

Read more about percentage change in volume at; brainly.com/question/9554871

#SPJ1

8 0
1 year ago
Read 2 more answers
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