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3 years ago

Find the unit rate 170 feet in 8.5 seconds

Mathematics

1 answer:

snow_tiger [21]3 years ago

5 0

Answer:

How to Find Unit Rate? In a unit rate, the denominator is always 1. So, to find unit rate, divide the denominator with the numerator in a way that the denominator becomes 1. For example, if 50km is covered in 5.5 hours, the unit rate will be 50km/5.5 hours = 9.09 km/hour.

Step-by-step explanation:

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Mr. Campbell was travelled 80 miles in 2 hours. What was his average speed?

Mamont248 [21]

His average speed is 40mph you get your answer by dividing 80 by 2, or or you could do what is half of 80 which is 40. So Mr.Campbell average speed is 40mph

4 0

3 years ago

What's the distance between (-2, 5) and (8, 5)

Wewaii [24]

Answer:

Explanation:

The distance between two points of coordinates (x1, y1) and (x2, y2) can be calculated as:

$\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}$

So, the distance between (-2, 5) and (8, 5) is equal to:

$\begin{gathered} \sqrt[]{(8-(-2))^2+(5-5)^2} \\ \sqrt[]{(8+2)^2+(0_{})^2} \\ \sqrt[]{(10)^2+0} \\ \sqrt[]{100} \\ 10 \end{gathered}$

Then, the distance between (-2, 5) and (8, 5) is 10.

7 0

2 years ago

I am thinking of two numbers. The sum of the numbers is 5. The first number is one less than the second number. Write a system o

Dominik [7]

Answer:

x + y = 5

y = x - 1

Hope this helped!

7 0

2 years ago

X2 + 7x + 12 What is the answer someone please help

Anuta_ua [19.1K]

Answer:

(x + 3) (x + 4)

7 0

3 years ago

5) Find the area of a rectangle with points at (-8,5), (2,5), (2,-3) and (-8,-3).

Lady bird [3.3K]

Answer:

80 units²

Step-by-step explanation:

Given vertices of a rectangle:

A = (-8, 5)
B = (2, 5)
C = (2, -3)
D = (-8, -3)

As points A and D share the same x-coordinate, and points B and C share the same x-coordinate, the difference between the different x-coordinates is the length of the rectangle:

$\begin{aligned}\implies \textsf{Length} & = x_B-x_A\\& = 2-(-8)\\& = 2+8\\& = 10\; \sf units\end{aligned}$

As points A and B share the same y-coordinate, and points C and D share the same y-coordinate, the difference between the different y-coordinates is the width of the rectangle:

$\begin{aligned}\implies \textsf{Width} & = y_A-y_D\\& = 5-(-3)\\& = 5+3\\& = 8\; \sf units\end{aligned}$

Therefore:

$\begin{aligned}\textsf{Area of a rectangle} & = \sf width \times length\\&=8 \times 10\\&=80 \sf \; units^2\end{aligned}$

7 0

2 years ago

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