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Keith_Richards [23]
4 years ago
10

A classroom is made up of 11 boys and 14 girls. The teacher has four main classroom responsibilities that she wants to hand out

to four different students (one for each of the four students). If the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?
Mathematics
1 answer:
guapka [62]4 years ago
5 0

Answer: Are there answer options?

Step-by-step explanation:

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A researcher investigates whether there is a relationship between hours of sleep and memory for photographs. The researcher assi
ehidna [41]

Answer:

It is the experimental condition.

Step-by-step explanation:

In the experiment given in the question, the amount of sleep is the independent variable and the number of photographs they remember is the dependent variable because it depends on the amount of sleep.

The 8 hours of sleep, which creates the difference in the experiment between the control group and the test group, is the experimental condition.

The experimental condition is the variable that is changed to let the researcher observe the effects on the dependent variable.

I hope this answer helps.

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4 years ago
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What is the nineteenth term in the sequence 7, 10, 13, 16,...? A 64 B 61 C 57 D 19
Over [174]

Answer:

B. 61

Step-by-step explanation:

7, 10, 13, 16...

ok so were starting with 7 and adding 3 every time

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3 x 19 = 57

57 + 4 = 61

the 19th term is 61

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4 years ago
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One US dollar is currently worth 84.1 Japanese yen (¥). If you exchange ¥4,205 for US dollars, how much will you have?
malfutka [58]

Answer:

Hi, the answer is 353640.50.

Step-by-step explanation:

84.1 times 4205 is equal to 353640.5

6 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!
Anastasy [175]

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angle KHL would be 80 degrees, because the angles next to it add up to 100 degrees, and they all have to form a supplementary angle.

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The vertex of this parabola is at (2.-3). When the yvalue is -2, the xvalue is 5. What is the coefficient of the squared term in
tatiyna

Answer:

The coefficient of squared term is 1/9

Step-by-step explanation:

The vertex of parabola is (2.-3)

We know the vertex form of a standard parabola

y=a(x-h)^2+k,\text{ where (h,k) is vertex}

Plugging values of h and k, h= 2, k = -3

y=a(x-2)^2-3

Now, x=5, y=-2

-2=a(5-2)^2-3

-2=9a-3

9a=1

a=\frac{1}{9}

Thus, the coefficient of squared term is 1/9

3 0
3 years ago
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