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3 years ago

Use the table below to answer this question:

Mathematics

1 answer:

goblinko [34]3 years ago

4 0

Average rate of change is slope. The equation for slope is m=(y2-y1)/(x2-x1). (x2, y2) will be (5, 1) and (x1, y1) will be (-1, 7). Plug in and solve:

(7-1)/(5--1)

6/6

Hope this helps!!

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Help 20 points ,

sweet-ann [11.9K]

The answer would be D

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4 years ago

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Shinya went to the salon. The cost if her haircut was $16.00. He tipped the barber 15%. What was the total cost

Fantom [35]

Total cost=costofhaircut+tip
tip=costofhaircut times percent tip
percent tip=15%

percent means parts out of 100
15%=15/100=0.15

cost of haircut=16
tip=16 times 0.15=2.4

total cost=16+2.4=18.4

total cost=$18.40

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3 years ago

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I need help and ineed the answer i wiil give brainlist

Ymorist [56]

Answer: 2 inch

Step-by-step explanation:

3 0

3 years ago

Find parametric equations for the line through point P(-1,-1,-1) and Q(-5,7,3) A. x = t + 4; y = t - 8; z = -1t - 4

Elan Coil [88]

Answer:

B) x = -4t - 1; y = 8t - 1; z = 4t - 1

Step-by-step explanation:

Explanation:-

Given points are P(-1,-1,-1) and Q(-5,7,3)

Let (x₁ , y₁ , z₁) = P(-1,-1,-1)

Let (x₂ , y₂ , z₂) = Q(-5,7,3)

Parametric equation of the line passing through the points (x₁ , y₁ , z₁) and (x₂ , y₂ , z₂)

$\frac{x-x_{1} }{x_{2}-x_{1} } = \frac{y-y_{1} }{y_{2}-y_{1} } = \frac{z-z_{1} }{z_{2}-z_{1} } = t$

$\frac{x-(-1)}{-5-(-1)} = \frac{y -(-1)}{7-(-1)} = \frac{z-(-1)}{3-(-1)} = t$

$\frac{x-(-1)}{-4} = \frac{y -(-1)}{8} = \frac{z-(-1)}{4} = t$

Equating each term

$\frac{x+1}{-4} = t$

⇒ x + 1 = - 4 t

⇒ x = - 4 t -1

$\frac{y +1}{8} = t$

y + 1 = 8 t

⇒ y = 8 t - 1

$\frac{Z+1}{4} =1$

⇒ z +1 = 4t

⇒ z = 4t -1

Final answer:-

parametric equations for the line through point P(-1,-1,-1) and Q(-5,7,3)

are

x = -4t - 1; y = 8t - 1; z = 4t - 1

3 0

3 years ago

Which values from the set {0, 12, 2.5, 4} make the inequality 8g < 4 true?

jok3333 [9.3K]

Answer:

a. 0

Step-by-step explanation:

Which values from the set {0, 12, 2.5, 4} make the inequality 8g < 4 true?

Our inequality:

8g < 4

Substitute each values from the set {0, 12, 2.5, 4} for g, to find which value makes the inequality true.

For 0:

8g < 4

8(0) < 4

0 < 4

This statemen is true, because 0 is less than 4

For 12:

8g < 4

8(12) < 4

96 < 4

This statemen is false, because 96 is NOT less than 4

For 2.5:

8g < 4

8(2.5) < 4

20 < 4

This statemen is false, because 20 is NOT less than 4

For 4:

8g < 4

8(4) < 4

32 < 4

This statemen is false, because 32 is NOT less than 4

Hope this helps!

5 0

3 years ago