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Luba_88 [7]
4 years ago
8

Peter left his home in Chicago and drove to a town a few hours away. On the way there, he drove 40 mph due to traffic, but on th

e way back home, he drove 60 mph. What was his average speed?
Mathematics
1 answer:
Orlov [11]4 years ago
4 0

Answer:

50 mph

Step-by-step explanation:

To calculate averages you add up all the items and divide by the total number of items there is.In this problem were 2 items so you divide it by 2

Add the two numbers

40+60=100

now just divide by 2 because there was 2 drives giving you 50 mph

Hope this helps!

:)

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Salsk061 [2.6K]

The simplified expression are as follows;

6mn³ - mn² +  3mn³ + 15mn² =  9mn³ + 14mn²

a⁴b³ + 8a⁴b³  = 9a⁴b³

<h3>How to simplify an expression?</h3>

A simplified expression is express to its lowest term.

Therefore,

6mn³ - mn² +  3mn³ + 15mn²

combine like terms

6mn³  +  3mn³ - mn² + 15mn²

9mn³ + 14mn²

a⁴b³ + 8a⁴b³  = 9a⁴b³

learn more on simplification here: brainly.com/question/403991

#SPJ1

3 0
2 years ago
I need help!!! Parallel lines p and q are cut by two non parallel lines m and n as shown in the figure the value of x is degrees
S_A_V [24]

Answer:

x = 78° , y = 115°

Step-by-step explanation:

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8 0
3 years ago
Simplify the expression (8+3)×(2-2)
Alexandra [31]

Answer:

(8 + 3) \times (2 - 2) \\  \\  = 11 \times 0 \\  \\  = 0

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3 years ago
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In a study of brand recognition, 795 consumers knew of Amazon, and 10 did not. Use these results to estimate the probability tha
Rzqust [24]

Answer:

The probability that a randomly selected consumer will recognize Amazon is 0.988.

Step-by-step explanation:

The data given in the question is

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The formula for calculating probability of an event A is:

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P(Recognize Amazon) = No. of Consumers who knew Amazon/Total no. of consumers

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