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svlad2 [7]
2 years ago
15

Alina, Robert, and Makayla are on the student council at their high school. They all want to go to a dinner where student counci

l representatives from other schools will participate. However, only one student per school can go. How can a fair decision be made about who goes to dinner? Select all that apply.
If the answer is correct I will mark as brainliest.

A. Write each students name on a slip of paper and put the slips in a hat. Randomly draw a slip of paper. The Student whose name is on the paper wins.

B. Flip a coin twice. If both tossed are heads, Alina wins. If both are tails, Makayla wins. If one is heads and one is tails, Robert wins.

C. Roll a number cube. If it lands on 1 or 2, Alina wins. If it lands on 3 or 5, Robert wins. If it lands on any other number, Makayla wins.

D. Roll a number cube. If the number is odd, Alina wins. If the number is even, Robert wins. If it's any other number, Makayla wins​
Mathematics
1 answer:
Gnesinka [82]2 years ago
7 0

Answer:

A. Write each students name on a slip of paper and put the slips in a hat. Randomly draw a slip of paper. The Student whose name is on the paper wins.

C. Roll a number cube. If it lands on 1 or 2, Alina wins. If it lands on 3 or 5, Robert wins. If it lands on any other number, Makayla wins.

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A $16,000 robot depreciates linearly to zero in 10 years. (a) find a formula for its value as a function of time, t, in years.
SVETLANKA909090 [29]

We are given, cost of the robot for 0 number of year = $16,000.

0 represents initial time of the robot.

After 10 year cost of the robot is = $0

The problem is about the number of the years and cost of the robot over different number of years.

So, we could take x coordinate by number of hours and y coordinate for y number of hours.

So, from the problem, we could make two coordinates for the given situation.

(x1,y1) = (0, 16000) and (x2,y2) = (10, 0).

In order to find the function of time, we need to find the rate at which robot rate depreciates each year.

Slope is the rate of change.

So, we need to find the slope of the two coordinates we wrote above.

We know, slope formula

Slope (m) = \frac{y2-y1}{x2-x1}

Plugging values in formula, we get

m=\frac{0-16000}{10-0} = \frac{-16000}{-10} = -1600.

Brecasue of depreciation we got a negative number for slope or rate of change.

Therefore, rate of depreciation is $1600 per year.

We already given inital cost, that is $16,000.

So, we can setup an a function

f(x) = -1600x + 16000.

But the problem is asked to take the variable t for time.

Replacing x by t, we get

f(t) = -1600t + 16000.

8 0
3 years ago
What is the answer ??
Olenka [21]

Answer:

35

Step-by-step explanation:

I don't know how to explain sorry

8 0
3 years ago
Can someone help me out? I'm stuck. i think I've got the layout but I'm not sure??<br>​
crimeas [40]

Answer:

5.83 ft

Step-by-step explanation:

Pythagorean Theorem:

a² + b² = c²

3² + 5² = c²

9 + 25 = c²

34 = c²

c ≈ 5.8309 ≈ 5.83

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

4 0
3 years ago
Kate made 180 ounces punch for a party. She served the punch in 8-ounce cups. How many full cups can she fill
SIZIF [17.4K]
Si tiene 180 onzas y las sirve en tazas de 8 onzas divide la cantidad entre el numero de tazas para obtener que ella puede servir 22.5 tazas aproximadamente.
8 0
3 years ago
Mai bought a magazine for $2.95. If she paid the clerk with x dollars, what would she receive back
Stolb23 [73]

Answer:

she would receive X-2.95

Step-by-step explanation:


4 0
3 years ago
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