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3 years ago

At a snack stand, Nathan buys 2 sodas and 1 snack and spends $5. Olivia

Mathematics

1 answer:

OLga [1]3 years ago

7 0

Answer:

the soda's are one$

and the snacks are three$

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A group of freshmen at a local university consider joining the equestrian team. Thirty‑five percent of students choose Western r

lesantik [10]

Answer:

a) Option D) 0.75

b) Option D) 0.3

Step-by-step explanation:

We are given the following in the question:

Percentage of students who choose Western riding = 35%

$P(w) = 0.35$

Percentage of students who choose dressage= 45%

$P(d) = 0.45$

Percentage of students who choose jumping = 50%

$P(j) = 0.50$

Percentage of students who choose both dressage and jumping = 20%

$P(d \cap j) = 0.20$

Percentage of students who choose Western and dressage = 10%

$P(w \cap d) = 0.10$

Percentage of students who choose Western and jumping = 0%

$P(w \cap j) = 0$

Thus, we can say

$P(w \cap j \cap d) = 0$

Formula:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

a) P(student chooses dressage or jumping)

$P(d \cup j) = P(d) + P(j) -p(d \cap j)\\= 0.45 + 0.50-0.20 = 0.75$

b) P(student chooses neither dressage nor Western riding)

$= 1 - P(d \cup w)\\= 1 - (P(d) + P(w) - P(d \cap w))\\= 1 - (0.45 + 0.35 - 0.10)= 0.3$

5 0

3 years ago

A seal dove 95 meters below the surface of the water to reach a fish. It traveled 18% of the total distance every second.

BlackZzzverrR [31]

95*18%
18%=0.18
95 x 0.18 =17.1
Now, multiply 17.1 by 5 = 85.5

4 0

3 years ago

Henry's baseball practice starts at 2:00 pm. It lasts 1 hour and 45 minutes. What time does he get out of baseball practice? Wri

tresset_1 [31]

Answer:

Henry's baseball practice starts at 2:00, will last an hour and forty-five minutes, and will end at 3:45.

Step-by-step explanation:

2 + 1 = 3

3 + 45 minutes = 3 : 45

8 0

3 years ago

Does someone know the answer? Simplify it <br> 3(2a^2-3a+1)-(2a+7)

igor_vitrenko [27]

Answer:

5a3-5a2

Step-by-step explanation:

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3 years ago

What is (2x-6)(3x-5) equaled to?

Luba_88 [7]

Answer:

6x^2-28x+30

Step-by-step explanation:

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3 years ago

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