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iragen [17]
3 years ago
14

8. The number of donuts produced by a machine

Mathematics
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

380÷20=16

Step-by-step explanation:

If 380 divided by 20 mintues how many is 45 so 380 divided by 45 is 8.4444 repreativly

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What is the measure of ∠4? Enter your answer in the box.
Whitepunk [10]

Answer:

59

Step-by-step explanation:

5 0
3 years ago
Ulet rolls 2 fair dice and adds the results from each. Work out the probability of getting a total of 7.
kiruha [24]

Answer:

7/ 36

Step-by-step explanation:

Roll of 2 fair six sided die :

Sample space = 6² = 36

Sum of 7:

(1,6) ; (6,1) ; (3,4) ; (4,3) ; (2,5) ; (5,2) = 6

Probability = required outcome / Total possible outcomes

Required outcome = 7

Total possible outcomes = 36

P(obtaining a sum of 7) = 7 / 36

4 0
3 years ago
In the quadratic equation, a b c are rational numbers. The quadratic has 2 distinct zeros. One of the zeros is rational. What do
Oksana_A [137]

Answer:

The other zero is also a rational number.

Step-by-step explanation:

In a quadratic equation

ax^2+bx+c=0

Quadratic formula:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}

Case 1: If b^2-4ac>0, then the given quadratic equation has two distinct real zeros.

Case 2: If b^2-4ac=0, then the given quadratic equation has exactly one real zero.

Case 3: If b^2-4ac, then the given quadratic equation has two distinct complex zeros.

It is given that the quadratic has 2 distinct zeros. One of the zeros is rational.

It means

b^2-4ac>0 and \sqrt{b^2-4ac} is a rational number.

Therefore, the other zero is also a rational number.

4 0
3 years ago
Pat has $25 to spend at the amusement park. It costs $7 to get into the park, and $2.50 for each ride.
Andreas93 [3]

Answer:

7

Step-by-step explanation:

First, subtract 7 from 25. Then divide the answer by 2.5. You get 7 as your answer :)

4 0
3 years ago
Read 2 more answers
PLS HELP ME..............................................
Ad libitum [116K]
A = 113.47-16.82 = 96.65
B = 119.47-(-16.82) = 136.29

A-B = - 39.64
B-A = 39.64

Hope it helps.
3 0
3 years ago
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