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VladimirAG [237]
2 years ago
6

Ben has a box of marbles. 30 of the marbles are red, 14 are green and 16 are blue. Ben randomly selects a marble from the box, r

ecords the color and then replaces the marble in the box. If he selects a marble 30 times, how many times do you predict he will select a blue marble?
Mathematics
1 answer:
jasenka [17]2 years ago
3 0

Answer:

he will select about 5 blue marbles

Step-by-step explanation:

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Your answer is (8 1/6) hope it helps and have a great day!

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Please help me with the correct answer
garri49 [273]

Answer:

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8 0
3 years ago
Turning off the water while brushing your saves 379 centimetres of water .How many litres of water can you save if you turn off
Scrat [10]
First you need to find out how many cm of water that will be saved after brushing your teeth 3 times.

379 x 3 = 1137

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6 0
3 years ago
Read 2 more answers
∠A and \angle B∠B are supplementary angles. If m\angle A=(x-16)^{\circ}∠A=(x−16) ∘ and m\angle B=(3x+28)^{\circ}∠B=(3x+28) ∘ , t
GalinKa [24]

Answer:

  ∠A = 26°

Step-by-step explanation:

Supplementary angles total 180°.

  ∠A +∠B = 180°

  (x -16)° +(3x +28)° = 180°

  4x° + 12° = 180°

  x° +3° = 45°

  x° = 42°

  ∠A = (x -16)° = 42° -16°

  ∠A = 26°

3 0
3 years ago
Find the area of each semicircle. Round to the nearest tenth. Use 3.14 for Pi.
pentagon [3]

Answer:

1. 69.4 / 2 = 34.7

2. 38.5 / 2 = 19.25

3. 201.1 / 2 = 100.55

I got these by caculating the area and dividing it by 2

4 0
2 years ago
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