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Eva8 [605]
3 years ago
11

PLEASE HELP ME I DON’T UNDERSTAND

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
4 0

Answer:

460

Step-by-step explanation:

If 207 students are going to college means that 207 are the 45% of the students that are going to college we need the total number of students that were in the graduating class so,

Total Students=\frac{207}{0.45} \\\\Total Students=460

So there are 460 students in the graduating class and 45% of them are going to college which is 207

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kondor19780726 [428]

Answer:

58+40e−t/2458+40e−t/24

step by step explanation:

Normally, the temperature of a corpse is the temperature of the surrounding environment.

This is done by losing or gaining heat to equilibrate to that of the surrounding.

Let's assume that the final temperature of the corpse is after t hrs.

Then the temperature of the surrounding in degree Fahrenheit is equal to 58+40e−t/2458+40e−t/24

5 0
3 years ago
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What is the answer too 11 - 18s = - 15?
Arlecino [84]

Answer: s = 1.44

Step-by-step explanation:

11 - 18*s = -15

-18*s = -15 - 11

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18*s = 26

s = 26/18

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s = 1.44

4 0
3 years ago
What is the answer to this??
Helga [31]

Since the triangle is equilateral, all its angles are equal to 60°

AO is the bisector⇒∠OAD = 30°

AO AO is the hypotenuse, ∠OAD = 30°⇒

OD=10:2=5ft

By the Pythagorean theorem

10^2=AD^2+5^2\\AD=\sqrt{100-25} \\AD=\sqrt{75}

AC=AD+DC=2\sqrt{75}=10\sqrt{3}

S=\frac{a^2\sqrt{3} }{4}

S=\frac{(10\sqrt{3})^2\sqrt{3}  }{4} =\frac{300\sqrt{3} }{4} =75\sqrt{3} ft^2

Answer: A) S=75\sqrt{3}ft²

P.S. Hello from Russia and sorry for my bad english :^)

5 0
3 years ago
What is the answer of 2×82
slamgirl [31]
The answer to this problem is 164.

Hope this answer helps! feel free to ask any additional questions :)
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3 years ago
A 100-point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response
Alex17521 [72]

Answer: 3x+8y=100

x+y=20

x=12

y=8

Step-by-step explanation: x would represent the number of multiple choice questions and y would represent the number of short response questions. the multiple choice questions were 3 points meaning that you need to find x. the short answer response questions were 8 points meaning you need to find y. altogether you need to get 100 points. for the second equation you have 20 questions that need to be both multiple choice and short response. therefore the second equation would be x+y=20. if you solved this, the answer would be that x equals 12 and y equals 8. hope this helped! :))

3 0
3 years ago
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