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katovenus [111]
3 years ago
12

Joan has 100 marbles. Many hAs m marbles. If Joan has 25 times as many marbles as Mary, write an equation that shows how many ma

rbles Mary has.
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
6 0
Mary has 4 marbles because Joan has 100 marbles and he has 25 times as many marbles as Mary so we divide :)
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What is bigger , 3/5 or 65%
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One step equation x - 17 = 10​
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2 years ago
The angles of a quadrilateral are in the ratio 2:3:4:6. find the measure of the angles.
kobusy [5.1K]

Answer:

Step-by-step explanation:

2:3:4:6

Angles in a quadilateral 360

2 + 3+4+6 =15

2/15 × 360° =48°

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4/15 × 360° = 96°

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8 0
4 years ago
A bag contains 7 marbles: 4 red, 2 yellow, and 1 green. Three
qwelly [4]

Answer:

Step-by-step explanation:

you have 7 reds of 14 total.

the 1st marble has 7 of 14 probability of being red

the 2nd has 6 of 13 of being red

the 3rd has 5 of 12 of being red

multiplying this out you have:

(7/14)*(6/13)*(5/12)=210/2184

THAT will condense down to 5/52 or 9.615%

this does assume not placing the balls back in between draws

if you do put them back in between draws you would have 7 of 14 chance each draw

that would give you by multiplying out

(7/14) * (7/14)* (7/14) = 343/2744

Found it online lol

that condenses to 1 of 8 or 12.5%

Found it online lol

3 0
2 years ago
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