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Artyom0805 [142]
3 years ago
15

74 points plsss help meee!!!!!

Mathematics
2 answers:
EastWind [94]3 years ago
8 0

Answer:

  • (b) x- intercept is -1/3; y-intercept is -3/2

Step-by-step explanation:

<u>Given function:</u>

  • -9x - 2y = 3

<u>x- intercept is:</u>

  • y = 0 ⇒ -9x = 3 ⇒ x = -1/3

<u>y-intercept is:</u>

  • x = 0 ⇒ -2y = 3 ⇒ y = -3/2

Correct answer choice is (b)

Anton [14]3 years ago
5 0

Answer:

B) X intercept = (-1/3,0) and Y Intercept = (0,-3/2)

Step-by-step explanation:

To find the x-intercept, substitute in  0  for y  and solve for  x .

To find the y-intercept, substitute in  0  for x  and solve for  y .

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For an intramural sports program at a particular college, the time to run one mile is recorded for 200 male students in the prog
Greeley [361]

Answer:

Devon has the lower z-score, so he ran the mile faster relative to his gender.

Step-by-step explanation:

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

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

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Who ran the mile faster relative to their gender?

The lower the percentile of time ran, the faster. So whoever has the lower z-score ran the mile faster.

Devon

His best time to run the mile is 6.6 minutes.

These times are approximately normal with mean 8 minutes and standard deviation 1 minute.

We have to find Z when X = 6.6, \mu = 8, \sigma = 1. So

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

Z = \frac{6.6 - 8}{1}

Z = -1.4

Kendall

Her best time to run the mile is 5.7 minutes.

These times are approximately normal with mean 7.5 minutes and standard deviation 2 minutes.

We have to find Z when X = 5.7, \mu = 7.5, \sigma = 2. So

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

Z = \frac{5.7 - 7.5}{2}

Z = -0.9

Devon has the lower z-score, so he ran the mile faster relative to his gender.

3 0
3 years ago
4. Using the numbers 3, 2, and 4, which of these problems would have a solution of 4? (1 point)
Andru [333]
The answer is = (3-2)x4 = (3-2)=1, 1x4=4
8 0
3 years ago
A cup of beans costs N160. How much
miv72 [106K]

Answer:

Below.

Step-by-step explanation:

The volume will be 3^3 = 27 times the volume of the small cup.

Answer is N160 * 27

= N4320.

7 0
3 years ago
Which of the points satisfy the linear inequality graphed here?
SOVA2 [1]
Only
<span>c) (-10,0)
because that is the only point in the shaded region.
</span>
5 0
3 years ago
Spencer, Jaclyn, and Ayden go shrimping in
larisa [96]

The total pounds of shrimp they catch is 9.625 pounds

<h3>Sum of values and decimals</h3>

Decimal number are numbers that has decimal points. Given the following information;

The total shrimp Spencer catch = 2 pounds

The total shrimp Jaclyn catch = 3.25 pounds

The total shrimp Ayden catch = 4.375 pounds

Determine the total pounds of shrimp they catch

Total shrimp = 2 + 3.25 + 4.375

Total shrimp = 9.625 pounds

Hence the total pounds of shrimp they catch is 9.625 pounds

Learn more on sum of decimals here; brainly.com/question/1827193

#SPJ1

7 0
1 year ago
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