3 years ago

Can someone please help me with my homework?

Mathematics

2 answers:

natulia [17]3 years ago

8 0

20% tip because “tip” means that you are adding to the original amount

Aneli [31]3 years ago

5 0

Answer: The answers are: markup, sales tax, 20% tip and gratuities

Step-by-step explanation: All of them increase the price.

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State the property being illustrated in each example.

Dahasolnce [82]

Answer:

Wait

Step-by-step explanation:

I solve first

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3 years ago

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A line contains the points R (-1, 8) S (1, 4) and T (6, y). Solve for y. Be sure to show and explain all work.

Nikitich [7]

Given:

A line contains the points R(-1, 8), S(1, 4) and T(6, y).

To find:

The value of y.

Solution:

Three points are collinear if:

$x_1(y_2-y_3)+x_2(y_3-y_2)+x_3(y_1-y_2)=0$

A line contains the points R(-1, 8), S(1, 4) and T(6, y). It means, these points are collinear.

$-1(4-y)+1(y-8)+6(8-4)=0$

$-4+y+y-8+48-24=0$

$2y+12=0$

Subtract 12 from both sides.

$2y=-12$

Divide both sides by 2.

$y=\dfrac{-12}{2}$

$y=-6$

Therefore, the value of y is -6.

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3 years ago

Given the coordinates of A(3, 6), B(5, 2), and C(9, 4), which coordinates for D make ABCD a square?

tankabanditka [31]

Answer:

(7,8)

Step-by-step explanation:

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3 years ago

What is the value of the expression 4 Superscript 4?

Firdavs [7]

Answer:

What is the value of the expression 4 Superscript 4?

Step-by-step explanation:

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3 years ago

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Dexter drove 546 miles on one tank of gasoline. His car’s gas tank holds 15 gallons of gas. Find the average number of miles he

AlexFokin [52]

546 mil / 15 gal = about 36.4 mil per gal

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