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morpeh [17]
3 years ago
9

Write the equation to represent a line that contains the point (-2, 7) and a slope of -3.

Mathematics
2 answers:
gulaghasi [49]3 years ago
5 0
Answer is : y=-3x+1

put coordinates and slope into slope equation (y=mx+b) so it would be 7=-3(-2)+b and then solve for b. when you have b (which is 1) plug it into slope equation which would be y=-3x+1
xxMikexx [17]3 years ago
5 0

Answer:

y-7=-3(x+2)

Step-by-step explanation:

point slope form: y-y value=slope(x-x value)

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18. Jackie drives 160 miles from Gary, Indiana to
astra-53 [7]

Answer:

11 hours and 15 minutes (11.25)

Step-by-step explanation:

make a ratio

160:4.5

240/160=1.5

so 1 and 1/2 intervals of 4.5 hours

4.5+4.5= 9

4.5/2=2.25

9+2.25=11.25

6 0
3 years ago
The closing price of Schnur Sporting Goods Inc. common stock is uniformly distributed between $16 and $30 per share.
serg [7]

Answer:

a) 0.3571 = 35.71% probability that the stock price will be more than $25.

b) 0.1429 = 14.29% probability that the stock price will be less than or equal to $18.

Step-by-step explanation:

Uniform probability distribution:

An uniform distribution has two bounds, a and b.

The probability of finding a value of at lower than x is:

P(X < x) = \frac{x - a}{b - a}

The probability of finding a value between c and d is:

P(c \leq X \leq d) = \frac{d - c}{b - a}

The probability of finding a value above x is:

P(X > x) = \frac{b - x}{b - a}

Uniformly distributed between $16 and $30 per share.

This means that a = 16, b = 30

a) More than $25?

P(X > x) = \frac{30 - 25}{30 - 16} = 0.3571

0.3571 = 35.71% probability that the stock price will be more than $25.

b) Less than or equal to $18?

P(X < 18) = \frac{18 - 16}{30 - 16} = 0.1429

0.1429 = 14.29% probability that the stock price will be less than or equal to $18.

4 0
3 years ago
PLEASE HELP!! BRAINLIEST OFFERED! IF CORRECT!! THANKS!!
muminat

Answer:

Step-by-step explanation: its b

5 0
3 years ago
Read 2 more answers
Hw 24 area of parallelogram
Papessa [141]

Answer:

<h2>The width, x, of this parallelogram is 16 cm.</h2>

Step-by-step explanation:

In #14, the area of the parallelogram is 528 cm².

This area is also the value of the formula A = L·W:

A = 528 cm² = (33 cm)·W

To determine the width, W, of this parallelogram, we perform the following division:

W = (528 cm²) / (33 cm) = 16 cm

The width, x, of this parallelogram is 16 cm.

7 0
4 years ago
An arithmetic sequence is defined by the recursive formula t1 = 9, tn = tn - 1 - 4, where n ∈N and n &gt; 1. The sequence is
VikaD [51]
T2 = t1 - 4 = 9 - 4 = 5
t3 = 5 - 4 = 1
The common difference  = -4 so:-

The sequence is  9, 5, 1, -3, -7 ....
4 0
3 years ago
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