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Vinvika [58]
2 years ago
8

Three times as many adults as students attended a game. The total attendance was 480. If 3x + x = 480 models this situation, whi

ch two statements are true?
A) 3x = number of students
B) X = number of adults
C) 480 - x = number of adults
D) 360 adults attended.
E) 200 children attended.​
Mathematics
2 answers:
Nuetrik [128]2 years ago
6 0

Answer:

The answer is C and D

Step-by-step explanation:

Sophie [7]2 years ago
3 0

Answer:

C and D

Step-by-step explanation:

The number of adults is based on the number of students. Therefore, x = students, and 3x = adults.

480 − x = 3x → 4x = 480 → x = 120 students → 3x = 360 adults

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Find the x and y intercepts of the line<br><br><br> 2x+7y= -14
VladimirAG [237]
To do this make x and y equal 0, y-intercept is at x=0, and x-intercept is at y=0:
x-intercept:
2x+7(0) = -14
2x = -14
x = -7

y-intercept:
2(0) + 7y = -14
7y = -14
y = -2
7 0
3 years ago
Name a pair of opposite rays whose end point is b
Neko [114]

Answer:

Your answer would be G, since point G is opposite of point B, and is a ray.

Step-by-step explanation:


3 0
3 years ago
he life of light bulbs is distributed normally. The variance of the lifetime is 625 and the mean lifetime of a bulb is 540 hours
almond37 [142]

Using the normal distribution, it is found that there is a 0.877 = 87.7% probability of a bulb lasting for at most 569 hours.

<h3>Normal Probability Distribution</h3>

The z-score of a measure X of a normally distributed variable with mean \mu and standard deviation \sigma is given by:

Z = \frac{X - \mu}{\sigma}

  • The z-score measures how many standard deviations the measure is above or below the mean.
  • Looking at the z-score table, the p-value associated with this z-score is found, which is the percentile of X.

The mean and the standard deviation are given, respectively, by:

\mu = 540, \sigma = \sqrt{625} = 25

The probability of a bulb lasting for at most 569 hours is the <u>p-value of Z when X = 569</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{569 - 540}{25}

Z = 1.16

Z = 1.16 has a p-value of 0.877.

0.877 = 87.7% probability of a bulb lasting for at most 569 hours.

More can be learned about the normal distribution at brainly.com/question/24663213

#SPJ1

8 0
2 years ago
Can someone please help me? Thank you!
Volgvan

Answer:

Step-by-step explanation:

1) 5^{\frac{2}{3} } is in exponential form.

<u>Now, radical form is </u>\sqrt[3]{5^{2} }

2) 5^{\frac{1}{2} } is in exponential form.

<u>Radical form is </u>\sqrt{5}

3) 3^{\frac{2}{5} } is in exponential form.

<u> Radical form is </u>\sqrt[5]{3^{2} }

4) 3^{\frac{5}{2} } is in exponential form.

<u> Radical form is </u>\sqrt{3^{5} }

<h3><u>If you need to ask any question, please let me know.</u></h3>
5 0
2 years ago
A pitcher contains 2 liters of liquid. Jin pours 368 milliliters of this liquid into a test tube.
8090 [49]

Answer:

1,632 liters of liquid remain in the pitcher.

Step-by-step explanation:

Given that a pitcher contains 2 liters of liquid, and Jin pours 368 milliliters of this liquid into a test tube, to determine how much liquid is left in the pitcher the following calculation must be performed:

368 milliliters = 0.368 liters

2 - 0.368 = X

1.632 = X

Therefore, 1,632 liters of liquid remain in the pitcher.

8 0
3 years ago
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