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Viefleur [7K]
3 years ago
5

Jeremy drove 54 miles in 45 minutes.if he drove at a constant rate,what is his speed in miles per hour.

Mathematics
1 answer:
slava [35]3 years ago
6 0
Speed / velocity (that's a slash) are always distance over time. divide 54 by 45
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Multiplicative inverse of 21/49​
Komok [63]

Answer:

49/21

Step-by-step explanation:

You just have to switch the numerator and denominator so you can cancel out the number from one side of the equation in a normal problem

5 0
3 years ago
What is the average rate of change of the function over the interval x = 0 to x = 8?
salantis [7]
Ans:  The average rate of change of function = \frac{1}{102} (in fraction)

Explanation:
The average rate of change of function  = \frac{f(b) - f(a)}{b - a}

Where
b = 8 (x's upper bound)
a = 0 (x's lower bound)

f(b) = f(8) =  \frac{2*8-2}{5*8-6} =  \frac{7}{17} \\ f(a) = f(0) =  \frac{2*0-2}{5*0-6} =  \frac{1}{3} \\  \frac{f(b)  - f(a)}{b-a} =  \frac{ \frac{7}{17} -  \frac{1}{3}}{8} =  \frac{1}{102}

Hence the average rate of change of function = \frac{1}{102} (in fraction)
5 0
4 years ago
Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.
tankabanditka [31]

Answer:

lateral area ≈ 668  m²

surface area ≈ 740 m²

Step-by-step explanation:

The lateral area of a triangular prism = perimeter of the base × height of the prism

lateral area = ph

where

p = perimeter of the base

h = height or altitude

Base edges are 8m , 9m and 12.04m and height is 23 m.

lateral area = ph

lateral area = (8 + 9 + 12.04) × 23

lateral area = 29.04 × 23

lateral area = 667.92  m²

lateral area ≈ 668 m²

Surface area

surface area = lateral area + 2B

where

B = area of it triangular bases

surface area = lateral area + 2B

surface area = 667.92   + 2(1/2 × base × height)

surface area = 667.92  + 2(1/2 × 8 × 9)

surface area = 667.92  + 2(1/2 × 72)

surface area = 667.92  + 2(36)

surface area = 667.92  + 72

surface area = 739.92  

surface area ≈ 740 m²

8 0
3 years ago
Which best describes the probability of rolling a 7 on a number cube that is numbered from 1 through 6?
Snowcat [4.5K]
The answer is A, it can't land on a number that doesn't exist.
7 0
3 years ago
Which statements are true about car color? Choose four correct answers. White is the most popular in every region. Red is the mo
Lisa [10]

Answer:

from my understanding the correct answer should be

Red is the most popular in the East than in the other regions

About 17% of the people in the Midwest have a gray car

White is the most popular in every region

Silver and black are equally popular in the East.

 *** i hope im right sorry if this didnt help:/***

3 0
4 years ago
Read 2 more answers
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