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3 years ago

Find the coordinates of the midpoint of the line segment AB, where A and B have coordinates: A(5, 2), B(3, 0)

Mathematics

2 answers:

Aleonysh [2.5K]3 years ago

4 0

(5+3)/2 = 4
(2+0)/2 = 1

midpoint: (4,1)

user100 [1]3 years ago

3 0

What is the answer to the question

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Graph the line with slope -8 and y-intercept 9.

salantis [7]

Answer:

the coordinates will be (0,9) (-8,0) and the equation will be y=(9/8x)+9

Step-by-step explanation:

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3 years ago

Forensic scientists can estimate the overall height of an adult male based on the length of the femur bone. A femur bone that is

faust18 [17]

Answer:

h = 1.88f + 32.01

Step-by-step explanation:

To find the linear equation, we first find the gradient of the linear equation from

(y₂ - y₁)/(x₂ - x₁) = m and using the values of the length of femur and overall height respectively, where x₁ = 18 inches and y₁ = 65.85 inches and x₂ = 14 inches and y₂ = 58.33 inches

So, (y₂ - y₁)/(x₂ - x₁) = m

(58.33 - 65.85)/(14 - 18) = m

-7.52/-4 = m

m = 1.88

So, to find the linear equation, we use

(y - y₁)/(x - x₁) = m where f₁ = 18 inches and h₁ = 65.85 inches

So, (y - y₁)/(x - x₁) = m

(y - 65.85)/(x - 18) = 1.88

(y - 65.85) = 1.88(x - 18)

y - 65.85 = 1.88x - 33.84

collecting like terms, we have

y = 1.88x - 33.84 + 65.85

y = 1.88x + 32.01

Given that y = h = overall height of adult male and x = f = length of femur,

h = 1.88f + 32.01

6 0

3 years ago

The area of the triangle below is 2/5 square foot. What is the length in feet of the base of the triangle?

solmaris [256]

Answer:

C) 2/3

Step-by-step explanation:

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3 years ago

22 random samples were selected from a population that has a normal distribution the sample has a mean of 99 and a standard devi

olga2289 [7]

Answer:

(96.91, 101.09)

Step-by-step explanation:

To calculate the interval, you require the Z value at 95% confidence interval. The Z value is 1.96. The formula to calculate the confidence interval:

$X-Zs/\sqrt{x} \\X+Zs/\sqrt{x}$

Where X is the mean and s is the standard deviation and x the sample size:

$99-1.96\cdot{5}/\sqrt{22} \\99+1.96\cdot{5}/\sqrt{22}$

The interval is (96.91, 101.09)

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3 years ago

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liberstina [14]

Answer:

the answer is A

Step-by-step explanation:

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3 years ago

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