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ddd [48]
3 years ago
5

Find the value of the y-intercept of the line whose equation is 17x-12y=-36

Mathematics
1 answer:
Nastasia [14]3 years ago
5 0
-12y = -17x - 36

divide through by -12:-#y = -17/-12 x + 3
slope =  17/12
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What is the rate of change and initial value for the linear relation that includes the points shown in the table?
melomori [17]

Answer: I need the table to give the answer

Step-by-step explanation: copy and paste the table

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3 years ago
(50 pts!) Help pls<br><br>Find the value of x
Lera25 [3.4K]

Answer:

x = 3.5.

Step-by-step explanation:

This is an equilateral triangle ( as all angles = 60 degrees) so all 3 sides are of equal length.

Thus 2x - 3 = 4

2x = 7

x = 3.5.

4 0
2 years ago
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A ball thrown straight up in the air travels 90 inches in the first tenth of a second. In the next tenth of a second the ball tr
Tcecarenko [31]

Answer:

855

Step-by-step explanation:

1.9 seconds is 19 tenths, so that means we add using the information given, which is that the ball travels 5 fewer inches every tenth of a second:

Time | Inches traveled

0.1     | 90

0.2    | 85

0.3    | 80

0.4    | 75

0.5    | 70

0.6    | 65

0.7    | 60

0.8    | 55

0.9    | 50

1.0     | 45

1.1      | 40

1.2     | 35

1.3     | 30

1.4     | 25

1.5     | 20

1.6     | 15

1.7     | 10

1.8     | 5

1.9     | 0

90+85+80+75+70+65+60+55+50+45+40+35+30+25+20+15+10+5+0=855

6 0
3 years ago
Ms. Davenport bought a dozen packages of spaghetti sauce mix priced at 3 packages for $1.29. What is the price of one package of
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To find this out you would have to divide 1.29 by three to get the price for one. 1.29/3=.43. So the price for one spaghetti sauce mix is .43$ or 43 cents. Hope this helps.
5 0
3 years ago
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The strength of an aluminum alloy is normally distributed with mean 10 gigapascals (GPa) and standard deviation 1.4 GPa. What is
tensa zangetsu [6.8K]

Answer:

The first quartile of the strengths of this alloy is 9.055 GPa.

Step-by-step explanation:

Problems of normal distributions can be solved using the z-score formula.

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.

The strength of an aluminum alloy is normally distributed with mean 10 gigapascals (GPa) and standard deviation 1.4 GPa.

This means that \mu = 10, \sigma = 1.4

What is the first [lower] quartile of the strengths of this alloy?

This is the 100/4 = 25th percentile, which is X when Z has a pvalue of 0.25, so X when Z = -0.675.

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

-0.675 = \frac{X - 10}{1.4}

X - 10 = -0.675*1.4

X = 9.055

The first quartile of the strengths of this alloy is 9.055 GPa.

3 0
3 years ago
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