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3 years ago

What is the experimental probability of drawing a red marble, given the following results?

Mathematics

1 answer:

ziro4ka [17]3 years ago

5 0

Answer:

7/20..i hope its correct

Step-by-step explanation:

all = 8+5+7

=20

red marbles / all = 7/20

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Use the graph below to find f(1)

Vladimir [108]

Answer:

I dont understand sorry

7 0

3 years ago

Please help!

ss7ja [257]

Answer:

4 is the answer

8 0

2 years ago

Read 2 more answers

Half the sum of 4 consecutive integers is 53 what are the integers?

Sphinxa [80]

Answer:

25,26,27, and 28

Step-by-step explanation:

Write consecutive integers as x,x+1,x+2,x+3,x+4, and so forth.

x+x+1+x+2+x+3

---------------------- = 53

1) Combine alike terms:

4x+6

------- = 53

2) Multiply both sides by 2:

4x+6=106

3) Subtract 6 from both sides:

4x=100

4) Divide both sides by 4:

x=25

5) Plug in 25 for x for all 4 integers:

6 0

3 years ago

Imagine a couple who is ready to start a family. They plan to have exactly four children. Assuming no multiple births (twins, tr

Lostsunrise [7]

Answer:

4 different ways

Step-by-step explanation:

Total number of children = 4

Distribution of the 4 children :

Number of boys = 3 ; Number of girls = 1

Boy = B ; Girl = G

Possible combinations :

BBBG ; GBBB ; BBGB ; BGBB

From the pascal triangle number of e; number of outcomes = 2

Having exactly 3 boys and 1 girl

Hence, of any of the 4 four total children, 3 must be boys and 1 girl ;

7 0

3 years ago

A carpenter purchased 70ft of redwood and 70ft of pine for a total cost of $282. A second purchase, at the same prices, included

dedylja [7]

I think the answer is $2.01 per 1ft of redwood and pine

282/2
=141

$141/70ft ÷ 70/70
=$20.1 per 1ft

7 0

3 years ago