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kondaur [170]
3 years ago
6

Plz help ASAP

Mathematics
1 answer:
DENIUS [597]3 years ago
4 0
A+c = 150
10.25a+7.75c = 1470
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Jasmine created this spinner to predict whether a randomly selected student in her school will be traveling during the upcoming
777dan777 [17]

Answer:

The number of students Jasmine surveyed indicated they would be traveling during the holiday break is 9.

Step-by-step explanation:

The spinner created by Jasmine, to predict whether a randomly selected student in her school will be traveling during the upcoming holiday break, has 8 equal sections labeled:

{yes, yes, no, no, no, no, no, no}

So, there are two sections labeled yes and six labelled as no.

Compute the probability of a yes as follows:

P(\text{yes})=\frac{2}{8}=0.25

Jasmine selected <em>n</em> = 36 students in her gym class.

If a student in her school will be traveling during the upcoming holiday break is independent of the other students.

Let the random variable <em>X</em> be defined as the number f students that will be traveling during the upcoming holiday break.

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 36 and <em>p</em> = 0.25.

Compute the expected value of <em>X</em> as follows:

E(X)=np\\=36\times 0.25\\=9

Thus, the number of students Jasmine surveyed indicated they would be traveling during the holiday break is 9.

8 0
3 years ago
Read 2 more answers
Dexter paid $74.94 for 201/5 gallons of gas. What is the price of gas where dexter filled up his vehcile?
Kaylis [27]

To make it easier to divide, turn the fraction 201/5 into decimal form which would be 40.2.

After that you can divide 74.94/40.2 and it should give you $1.86 per gallon.

8 0
3 years ago
Find the difference. –12 – (–21) = _____ –33 –9 33 9
AysviL [449]

Answer:

<h2>9</h2>

Step-by-step explanation:

(-)(-) = (+)

(-)(+) = (-)

(+)(-) = (-)

(+)(+) = (+)

-(-21) = (-)(-21) = (+)21 = 21

-12 - (-21) = -12 + 21           <em>use commutative property: a + b = b + a</em>

= 21 + (-12) = 21 - 12 = 9

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3 years ago
Keisha drinks 0.65 of milk every day. How much milk does she drink in 13 days?
ivanzaharov [21]
The answer is 8.45..... you times 0.65 by 13
4 0
3 years ago
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Are the triangles similar? If so, determine the scale factor of POR and EFD? A) No B) Yes; 2:1 C) YES;4:5 D) Yes; 17:10
sergij07 [2.7K]

Answer:

C) yes

Step-by-step explanation:

4 0
3 years ago
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