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Stells [14]
3 years ago
11

What is the slope of the line that is perpendicular to the line that goes through the two points (-8, 3) and (4, 27)?

Mathematics
1 answer:
Mademuasel [1]3 years ago
8 0

Answer:

-1/2 or -0.5

negative half

Step-by-step explanation:

slope of regular line= (y1-y2) / (x1-x2)

(27-3) / (4 - -8)

24 / (4+8)

24 / 12 = 2

the slope of a perpendicular line is the negative reciprocal

the negative reciprocal of positive 2/1 (2 as a fraction) is:

negative half: -1/2 or -0.5

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A student solved the problem below by first dividing 20 by 10. What mistake did the student make?
Dennis_Churaev [7]

Answer:

around 66% of their games

Step-by-step explanation:

So if we add 20 and 10 we get 30 which is the total amount of games played. We know that the team won 20 of the 30 games which we can reduce to 2/3. 2/3 is equal to 66.66 but most people just say 66% or you can round it up to 67%

Hope I helped!

6 0
3 years ago
A holiday decoration involves blue and white lights the ratio of blue lights to white lights is three to two the box the decorat
Westkost [7]

Answer:

15

Step-by-step explanation:

4 0
3 years ago
Given the following exponential function, identify whether the change represents growth or decay, and determine the percentage r
Whitepunk [10]

The change represents decay and the percentage decrease is 2.9%

<h3>Exponential function</h3>

The standard exponential function is expressed as y = ab^x

where:

a is the initial

b is the rate

If the value of b is less than 1 hence the function is decay and if greater than 1, the function is growth

GIven the expoenential function y=100(0.971)^x

Since the value of b = 0.971 < 1, hence the function is a decay.

The percentage decrease = 1 - 0.971 = 2.9%

Hence the percentage decrease is 2.9%

Learn more on exponential function here: brainly.com/question/12940982

5 0
3 years ago
Mr. Fulton bought 12 1/2 pounds of ground beef for the cookout. He plans on using 1/4 pound of ground beef for each hamburger. H
vekshin1

Answer:

Mr. Fulton can make 50 hamburgers.

Step-by-step explanation:

Given:

Total amount of ground beef = 12\frac{1}{2} \ pounds

12\frac{1}{2} can be Rewritten as \frac{25}{2}

Total amount of ground beef = \frac{25}{2}\ pounds

Amount of beef used for each hamburger = \frac{1}{4}\ pound

We need to find the number of hamburgers could he make.

Solution:

Now we can say that;

number of hamburgers can be calculated by Total amount of ground beef divided by Amount of beef used for each hamburger.

framing in equation form we get;

number of hamburgers = \frac{\frac{25}{2}}{\frac{1}{4}} = \frac{25}{2}\times \frac{4}{1} = 50

Hence Mr. Fulton can make 50 hamburgers.

7 0
3 years ago
Can 3/2 be re-named as a whole number of hundreths?
balandron [24]
Yeah it can so u divide long way
3 0
3 years ago
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