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4 years ago

Find the equation, in slope-intercept form, of the line through the pair of points

Mathematics

1 answer:

kolezko [41]4 years ago

8 0

Answer:

The equation of the line would be y = x + 1

Step-by-step explanation:

To find the equation of that line, we first need to find the slope. We can do this by using the slope equation.

m(slope) = (y2 - y1)/(x2 - x1)

m = (4 - 2)/(3 - 1)

m = 2/2

m = 1

Now using this and a point, we can use point-slope form to get the equation.

y - y1 = m(x - x1)

y - 2 = 1(x - 1)

y - 2 = x - 1

y = x + 1

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If you subtract 12 from my number and multiply the difference by -3, the result is -54.

worty [1.4K]

Answer:

the answer is 30

Step-by-step explanation:

Let the number be x

- 3 (x - 12) = - 54

-3x + 36 = -54

-3x = -54 - 36

-3x = -90

x = -90/-3

x = 30

4 0

3 years ago

1. Nasim thinks of a number.

mrs_skeptik [129]

Step-by-step explanation:

5x-16 = 3 (10+x)

=> x= 23

7 0

2 years ago

You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8

Firlakuza [10]

Answer:

Margin of error = 4.21 ounces

Step-by-step explanation:

According to the Question,

Given That, You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8 ounces

Therefore, Sample mean = 31 ounces , Sample size(n) = 25 , Alpha(α) = 0.10 & Population standard deviation(σ) = 12.8 ounces

Thus, Margin of error = $Z_{critical}$ × σ / √n ( $Z_{critical}$ at α=.010 is 1.645)

Putting The Values, We get

1.645 × (12.8 / √25 ) ⇒ 4.2112 ≈ 4.21

Thus, the maximum margin of error associated with a 90% confidence interval for the true population mean turtle weight is 4.21 ounces

8 0

3 years ago

In 2000, the number of students enrolled at Arlington Country Day School was 823 students. In 2010, the population was approxima

LekaFEV [45]

B 14.3% decrease

To find the percentage change in the number of students enrolled you do : 705 ( which is the new number ) - 823 ( which is the old number ) / 823 then the result *100
So I know it is confusing, sorry for that,
but basically what you do is (new value - old value) / old value then the result of this multiplied by 100 since it is a percentage
Toodles!!!

4 0

3 years ago

What is the value of the angle marked with I? 3.2 87° 3.2) 3.2 C 3.2

Nat2105 [25]

The value is 87 degrees since it is on the opposite side of the rhombus

8 0

4 years ago