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3 years ago

3. Scout is conducting a research project on traffic patterns

Mathematics

1 answer:

ddd [48]3 years ago

8 0

Answer:

7:45

Step-by-step explanation:

Since they both turn red at differnt times, you have to find a multiple to find the time they will be both on

Main St: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105

Elm St. 15, 30, 45, 60, 75, 90, 105

They will both turn on 105 minutes or 1 hour and 45 minutes from 6

6 + 1 hr 45 min = 7:45

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What is the equation of the line that passes through the point (-2,2) and (0,5)? A. Y=-3/2x+5 B.Y=x-5 C.Y=3/2x+5 D. Y=x+5

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3 years ago

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Grace bought a television for $329 and some DVDs for $5.75 each. Write and equations to find out how many DVDs grace bought if s

marishachu [46]

The total number of DVDs that she bough is 6

<h3>Linear equations</h3>

Linear equation are expression that has a leading degree of 1.

Let the price of each DVD be x such that if Grace bought a television for $329 and some DVDs for $5.75 each and spent a total of $363.50, ten;

329 + 5.75x = 363.5

Subtract 329 from both sides

329 + 5.75x - 329 = 363.5 - 329

5.75x = 34.5

x = 34.5/5.75

x = 6

This shows that the total number of DVDs that she bough is 6

Learn more on linear equation here: brainly.com/question/2030026

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2 years ago

The data displayed by the graph indicate that in 2000,

MrMuchimi

Using an linear function, we find that by 2020 only 11% of all American adults believe that most qualified students get to attend college.

-----------------------------------------

A decaying linear function has the following format:

$A(t) = A(0) - mt$

In which

A(0) is the initial amount.
m is the slope, that is, the yearly decay.

In 2000, 45% believed, thus, $A(0) = 45$
Decaying by 1.7 each year, thus $m = 1.7$ .

The equation is:

$A(t) = 45 - 1.7t$

It will be 11% in t years after 2000, considering t for which A(t) = 11, that is:

$11 = 45 - 1.7t$

$1.7t = 34$

$t = \frac{34}{1.7}$

$t = 20$

2000 + 20 = 2020

By 2020 only 11% of all American adults believe that most qualified students get to attend college.

A similar problem is given at brainly.com/question/24282972

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2 years ago