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Jobisdone [24]
3 years ago
7

Which set is an example of like fractions? A. 2⁄1 and 2⁄3 B. 1⁄2 and 3⁄2 C. 7⁄4 and 4⁄7 D. 10⁄10 and 5⁄5

Mathematics
2 answers:
ratelena [41]3 years ago
6 0

The answer is B. 1⁄2 and 3⁄2!

Sloan [31]3 years ago
5 0
<span>Fractions which have the same denominator are called like fractions.
</span>The answer is B. 1⁄2 and 3⁄2
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at a store, the probability that a customer buys socks is 0.15. the probability that a customer buys socks given that the custom
leva [86]

Answer: Option B

Step-by-step explanation:

First we assign a name to the events:

Event S: a customer buys socks

Event H: a customer buys shoes.

We know that :

P (S) = 0.15

We also know that the probability of S given that H occurs is:

P(S|H) =\frac{P(S\ and\ H)}{P(H)}=0.20

If two events S and H are independent then:

P (S) * P (H) = P (S\ and\ H)

This mean that if two events S and H are independent then:

P(S|H) =\frac{P(S)*P(H))}{P(H)}

P(S|H) =P(S)

We know that:

P(S|H) =0.20  and P (S) = 0.15

0.20\neq 0.15

This means that S and H events are dependent.

The answer is the option B

3 0
3 years ago
10) Thirty-seven percent of the American population has blood type O+. What is the probability that at least four of the next fi
lisabon 2012 [21]

Answer:

0.06597

Step-by-step explanation:

Given that thirty-seven percent of the American population has blood type O+

Five Americans are tested for blood group.

Assuming these five Americans are not related, we can say that each person is independent of the other to have O+ blood group.

Also probability of any one having this blood group = p = 0.37

So X no of Americans out of five who were having this blood group is binomial with p =0.37 and n =5

Required probability

=The probability that at least four of the next five Americans tested will have blood type O+

= P(X\geq 4)\\= P(X=4)+P(x=5)\\= 5C4 (0.37)^4 (1-0.37) + 5C5 (0.37)^5\\= 0.06597

7 0
3 years ago
Read 2 more answers
Find two numbers if their sum is 115 and their difference is 7
kobusy [5.1K]

Answer:

54+61

Step-by-step explanation:

54 + 61 = 115

61 - 54 = 7

4 0
3 years ago
What is the value of x
il63 [147K]

the 2 angles are congruent so...

x+40=3x    set the 2 equations equal to each other

40=2x      subtract x from both sides

20=x     divide by 2

x=20 is the final answer

Have a blessed day!


5 0
3 years ago
Read 2 more answers
X=3 is a factor of x^3+3x^2-7x+19.
Andrew [12]

Answer:

52

Step-by-step explanation:

3^3+3(3)^2-7(3)+19

27+27-21+19

54-2

52

Hope this helps

7 0
3 years ago
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