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ser-zykov [4K]
3 years ago
13

The questions on a multiple-choice quiz each have 5 answer choices. Which model can be used to simulate randomly picking the cor

rect answer to a 8-question multiple-choice quiz?
Mathematics
1 answer:
sp2606 [1]3 years ago
6 0
0.025 or \frac{1}{40}
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A group of students and workers entering a metro station were asked whether they were riding the bus or the subway. the two-way
Otrada [13]

The addition of the row and column shows that the number of people polled will be 166.

<h3>How to calculate the number?</h3>

From the information given, the guest thing to do is to add the column. This will be:

= 48 + 118 = 166

Also, it's important to add the row. This will be:

= 69 + 97 = 166

Therefore, the number of people polled will be 166.

Learn more about column on:

brainly.com/question/1788884

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3 0
2 years ago
What is the answer to the question
JulijaS [17]
The answer to the question is 13
6 0
3 years ago
Read 2 more answers
What is the value of x?
Oxana [17]

Answer:

180-45= 135

2x-5 = 135

2x = 140

x = 70

7 0
3 years ago
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1) 7+a=15<br><br><br><br> 2) 23=d+44<br><br><br><br> 3) 28=n-14<br><br><br><br> 4) T-22=-31
Romashka [77]
Hi, I'd be glad to help. 

1) a = 8

2) d = (-21) 

3) n = 42

4) t = (-9)
6 0
3 years ago
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Which table describes the behavior of the graph of f(x) = 2x3 – 26x – 24?
In-s [12.5K]

Answer:

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis

Step-by-step explanation:

f(x)=2x^{3}-26x-24

2x^{3}-26x-24=0

2x^{3}-26x-24=0\\2x^{3}-2x-24x-24=0\\2x(x^{2} -1)-24(x+1)=0\\2x(x+1)(x-1)-24(x+1)=0\\(x+1)(2x^{2} -2x-24)=0\\=> x+1=0 => x_{1}=-1\\

=> 2x^{2} -2x-24=0\\=>2(x^{2} -x-12)=0\\=> x^{2} -x-12=0\\=> x^{2} -4x+3x-12=0\\=> x(x-4)+3(x-4)=0\\=> (x-4)(x+3)=0\\

=> x-4=0\\=> x_{2}=4\\=> x+3=0\\=>x_{3}=-3\\

For x∈ {-∞,-3} y<0, below x-axis

x∈ {-3,-1} y>0, above x-axis

x∈ {-1,4} y<0, below x-axis

x∈ {4,∞} y>0, above x-axis



7 0
3 years ago
Read 2 more answers
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