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erik [133]
4 years ago
7

In a in a survey 400 students were asked whether lemonade should be added to the school menu 1/5 of the students were fight yes

write down the number of students who apply guess
Mathematics
1 answer:
MAXImum [283]4 years ago
4 0

Answer: If I were you, I would guess 320 students.

Step-by-step explanation:

1.) Think about it, 400 students were asked the same question and 80 chose to fight for lemonade on the school menu. 4/5 or 320 students put Guess.

2.) It's true that 400 students voted, but 80 voted yes, and 320 voted guess.

3.) Further Explanation:

1/5 times 400 equals 80. It's true only 80 students voted yes. 4/5 times 400 equals 320 students voted guess.

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Please answer this, i will give brainliest. lol
Mila [183]

Answer:

Step-by-step explanation:

10-43:

A. To get the area of a circle, multiply the diameter (20cm), by pi. (3.14)

B. Area=314.16cm²

10-45:

A. 30%.

B. The waterpark and the amusement park.

C. I would recommend doing another survey between the waterpark and the amusement park.

4 0
3 years ago
five brothers of 4, 9, 11, 13 and 16 years respectively, receive an inheritance of 1,500,000, the will stipulated that that amou
Kitty [74]

9514 1404 393

Answer:

Youngest to oldest:

  • 160,406.86
  • 246,805.83
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Step-by-step explanation:

At 9% interest per year, the present value of 1 at age 20 is ...

  p(a) = 1.09^(a-20)

Adding the present values for the different ages, we get a total of about 2.35528984846. Dividing the inheritance by that amount gives the multiplier for each of the present value numbers. The result is the list of shares shown above. At age 20, each brother will inherit about 636,864.29.

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<em>Additional comment</em>

This is the sort of question that suggests the use of a graphing calculator or spreadsheet for doing the tedious number crunching.

(We assume the bank <em>pays</em> 9% per year, rather than <em>charges</em> 9% per year.)

6 0
3 years ago
Classify each number as rational or irrational.
enot [183]

A number is rational if it can be expressed as the ratio between two integers (of course the denominator can't be zero).

-1/16 is already a fraction, so it's rational.

0 can be expressed as a fraction: \frac{0}{n} for any non-zero integer n you like

\sqrt{2},\sqrt{3} can't be expressed via a fraction between integers, and thus they are irrational.

7 0
3 years ago
Due in 1 hour, plz help
snow_lady [41]

Answer:

1. 12/1= rate of change

Step-by-step explanation:

1.

1 mile= 30 seconds

(1,30)

6 miles= 1 1/2 minutes

6 miles=90seconds

(6,90)

Formula: y2-y1/x2-x1

90-30/6-1

60/5

12/1= rate of change

hope its right

3 0
3 years ago
Can guys help me please
Zielflug [23.3K]

Answer:

there is 243.84 cm in 8 feet

round to the nearest hundredths =3266.53

4 0
3 years ago
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