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3 years ago

What would the amplitude be? How do I find it? Should I add 1.25+6.75 then divide by 2 ?

Mathematics

1 answer:

Elis [28]3 years ago

3 0

Answer:

2.75

Step-by-step explanation:

The amplitude is half of the difference between the highest and lowest y-coordinates.

amplitude = 0.5|6.75 - 1.25| = 0.5(5.5) = 2.75

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What is the slope of the line that passes through the pair of points (1/3, -1) and ( -2, 9/2)

UkoKoshka [18]

Answer:

$\boxed{m = - \frac{33}{14} }$

Step-by-step explanation:

Use the form below

$\boxed{\boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }}$

Where

$m$ is a slope
$(x_1,~y_1)$ and $(x_2,~y_2)$ are the point of the line

So, the slope is

$(\frac{1}{3} ,~ -1) \to x_1 = \frac{1}{3} ~and~y_1 = -1$

$(-2,~ \frac{9}{2} ) \to x_2 = -2~and~y_2 = \frac{9}{2}$

$m = \frac{\frac{9}{2} -(-1)}{-2-\frac{1}{3} }$

$m = \frac{\frac{11}{2} }{\frac{-7}{3} }$

$m = \frac{11}{2} \div (-\frac{7}{3} )$

$m = \frac{11}{2} \times (-\frac{3}{7} )$

$m = - \frac{33}{14}$

Happy to help:)

7 0

3 years ago

Read 2 more answers

5x - 7(2 - 4x) <br><br> simplify the expression

ss7ja [257]

Answer:

9x-14

Step-by-step explanation:

7 times 2 is 14, and 5x plus 4x is 9x so it is 9x-14

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3 years ago

Read 2 more answers

Two lines intersect in more than one point.

statuscvo [17]

That would be false because parallel lines don't intersect. But i can if one is straight and the other is Curved

7 0

3 years ago

Two cards are dealt at random from a standard deck of 52 cards. What is the probability that the first card is a King and the se

34kurt

Answer:

1 / 51

Step-by-step explanation:

Given that :

Number of cards in a deck = 52

Number of heart suit = 13

Number of kings = 4

Recall:

Probability = (required outcome / Total possible outcomes)

P(first card is king) = 4/52 = 1/13

P(second card is heart) = 13/51

Hence,

P(first card is king) * P(second card is heart)

(1/ 13) * (13/51) = 13 / 663 = 1/ 51

5 0

3 years ago

Last month, you worked 41 hours the first week, 49 hours the second week, 48 hours the third week, and 46 hours the last week. F

inysia [295]

Answer:

46 hours

Step-by-step explanation:

1. add all the hours you've worked (41+49+48+46=184)

2. divide the sum by the number of weeks (184/4=46)

5 0

3 years ago