8)If there are 4 yellow, 2 blue, 1 red, and 3 green marbles in a bag, what is theprobability you choose a blue marble at random, P(blue)?
What is the Pſyellow)?
Answers
Answer: P(blue)=1/5. P(yellow)=2/5.
Step-by-step explanation: First find the total number of marbles. 4+1+2+3=10. To find the probability of blue marbles, use this equation (number of blue marbles (2) / total number of marbles(10) ). 2/10=1/5.
To find the probability of yellow marbles do this equation (number of yellow marbles (4) / total number of marbles (10) ). 4/10=2/5.
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Marina wants to purchase a rosebush ford dollars at a garden store. She has a coupon good for$5 off her purchase, and the store is having a 10% off sale.Part AWrite two different, equivalent expressions for how much the rosebush will cost if the coupon.isapplied first and the 10% discount second.Part BWrite an expression for how much the rosebush will cost if the 10% discount is applied first andthe coupon is applied second.PartWhich order will save Marina more money? Explain your reasoning.
Of the 800 people at the concert, 42% of them are teenagers. How many teenagers are at the concert?
Answers
Answer: 9.5 miles
Step-by-step explanation:
Given : A group of friends were on a hiking trip they plan to hike a total of 38 miles .
They want to complete 25% of the hike by the end of the first day .
We can write 25% as 0.25 in decimal.
Now, the number of miles they should hike the first day will be :-
Hence, the number of miles they should hike the first day =9.5 miles
0.38×25= 9.5
Answers
90-3=87
87-3=84
84-3=81
81-3=78
78-3=75
75-3=72
72-3=69
69-3=66
66-3=63
63-3=60
60-3=57
57-3=54
54-3=51
51-3=48
48-3=45
45-3=42
42-3=39
39-3=36
36-3=33
33-3=30
30-3=27
27-3=24
24-3=21
21-3=18
18-3=15
15-3=12
12-3=9
9-3=6
6-3=3
3-3=0
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Answers
1, y 3
explication: el tres solo puede ser dividido por estos numeros
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I'm not sure, so I won't answer it, in case you get it wrong
Answers
Alberto's friend Jackson says 1/3 of Alberto's fish are catfish. Is Jackson correct?
Given:
zebra danios
catfish
fancy guppies
zebra danios is 1/2 of the total number of fish
2 times as many catfish as fancy guppies
x = guppies
2x = catfish
x + 2x = 1/2 of the fish population
3x = 1/2 of the fish population
3x * 2 = 6x
x = 1/6 number of fancy guppies
catfish:
2x = 2(1/6) = 2/6 = 1/3 catfish.
Jackson is correct. Catfish is 1/3 of the total fish population.