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2 years ago

What is the y-intercept: y + 2 - X= 0

Mathematics

1 answer:

Nat2105 [25]2 years ago

5 0

Try doing (0,-2) for the y intercept

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Evaluate -5 exponent 3 there

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The answer is -125. Get this by taking (-5)(-5)(-5)

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2 years ago

A freight train departs from one train station to its destination at a constant speed. Suppose the distance the train is from th

barxatty [35]

Answer:

108 miles

Step-by-step explanation:

Given the points (0.5, 135) and (2,81)

Diatnce between two points :

D = √(x2 - x1)² + (y2 - y1)²

X1 = 0.5 ; y1 = 135 ; x2 = 2 ; y2 = 81

D = √(2^2 - 0.5^2) + (81^2 - 135^2)

D = √(4 - 0.25) + (6561 - 18225)

D = √3.75 −11664

D = 107.98263

D = 108 miles

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2 years ago

X = 11 + 2 (______) <br>X = 1 + _________<br>X = ___________

Sloan [31]

Answer:

Step-by-step explanation:

I'm not sure about it

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2 years ago

The weights of a certain dog breed are approximately normally distributed with a mean of μ = 55 pounds, and a standard deviation

weqwewe [10]

Answer:

(a)z=-1

(b)48.5 pounds

Step-by-step explanation:

$z-score=\dfrac{x-\mu}{\sigma}$

Given:

Mean, μ = 55 pounds

Standard deviation,σ = 6 pounds.

(a)For a dog that weighs 49 pounds.

x=49 pounds

The z-score

$=\dfrac{49-55}{6}\\=\dfrac{-6}{6}\\\\=-1$

(b)When a dog has a z-score of -1.09

$-1.09=\dfrac{x-55}{6}\\x-55=-6.54\\x=55-6.54\\x=48.46 \approx 48.5$ pounds (to the nearest tenth)$

The weight of a dog with a z-score of -1.09 is 48.5 pounds.

(c)When a dog has a z-score of 1.09

$1.09=\dfrac{x-55}{6}\\x-55=6.54\\x=55+6.54\\x=61.54 \approx 61.5$ pounds (to the nearest tenth)$

The weight of a dog with a z-score of 1.09 is 61.5 pounds.

3 0

2 years ago

On a piece of paper, graph this system of inequalities. Then determine which

Galina-37 [17]

Answer:

B.Reigion D

Step-by-step explanation:

6 0

2 years ago

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