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Harrizon [31]
3 years ago
13

Alvaro is interested in the relationship between weather conditions and whether the downtown train runs on time. For a year, he

records whether each day is sunny, cloudy, rainy, or snowy, as well as whether this train arrives on time or is delayed. Here are his results:
Weather condition On time Delayed Total
Sunny
167
3
170
Cloudy
115
5
120
Rainy
40
15
55
Snowy
8
12
20
Total
330
35
365
Which of the following statements is true?

When the weather was rainy, it was more likely for the train to be delayed than on time.

(Choice B)
B
When the weather was snowy, it was more likely for the train to be delayed than on time.

(Choice C)
C
More than half of the delays occurred on rainy days.

(Choice D)
D
The most delays came on snowy days.
Mathematics
2 answers:
sladkih [1.3K]3 years ago
8 0

Answer:

I got B :)))

Step-by-step explanation:

ale4655 [162]3 years ago
8 0

Answer:

the answer to this problem is b

Step-by-step explanation:

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Express the sum of the polymonial 3x^2+15x-56 and the square of the binomial (x-8) as a polynomial in standard form.
tester [92]

Given:

Polynomial is 3x^2+15x-56.

To find:

The sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form.

Solution:

The sum of given polynomial and the square of the binomial (x-8) is

3x^2+15x-56+(x-8)^2

=3x^2+15x-56+x^2-2(x)(8)+8^2    [\because (a-b)^2=a^2-2ab+b^2]

=3x^2+15x-56+x^2-16x+64

On combining like terms, we get

=(3x^2+x^2)+(15x-16x)+(-56+64)

=4x^2-x+8

Therefore, the sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form is 4x^2-x+8.

7 0
3 years ago
Use the figure to find the measure of the angle.Explain your reasoning.
marta [7]

Answer: angle 2 is 28

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6 0
3 years ago
What is the coefficient for x2 -5x+6
Tomtit [17]
-5 because the variable is x and a coefficient comes before the variable.

Hope this helps!
4 0
3 years ago
Please help me please I reallly need help
kiruha [24]

Answer:

we have:

v  =  \frac{1}{3} \pi \: r {}^{2}h \\  \\  =  > 60\pi =  \frac{1}{3} \pi \: r {}^{2} h \\  \\  <  =  > 180 = r {}^{2} h

=> r²h = 10.18 = 9.20 = 5.36 = 6.30 = 4.45 = 12.15

=> only r²h = 5.36 satisfy the problem

=> h = 5

h = 5 r = 6

h = 5 r = 6=> d = 12

3 0
3 years ago
Sharon’s turtle escaped from her backyard sometime in the last few hours. According to her calculations, the farthest the turtle
myrzilka [38]
The farthest distance of the turtle can be solved with the following equations:

x = 112 + 4
x = 112 - 4

By solving the equations, we conclude that t<span>he turtle can be found either in the 116th block or the 108th block.</span>
8 0
3 years ago
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