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Lesechka [4]
3 years ago
9

1: the tip is 20% on a $42 meal

Mathematics
1 answer:
ira [324]3 years ago
7 0

Step-by-step explanation:

1. The tip is $8.40

2. The price after the discount is 96.

3. The tax taken away is $2400

4. $98.4

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Larry wants to buy some carpeting for his living room the length of the room is 2 times width and the total area of the room is
cluponka [151]
Draw a diagram!  Lets say the width is x, then the length must be 2x.
   
                       Area = length x width
                          2x x  x    = 8sq meters
                         2x^2       = 8
                          x^2        =4
                           x      =  √4
                            x    = 2

we found the width the length is two times the width, making it 4 meters.



7 0
3 years ago
During the half time of a basketball game, a sling shot launches T-shirts at the crowd. The T-shirt is launched with an initial
kumpel [21]

Step-by-step explanation:

The T-shirt is launched with an initial upward velocity of 60 ft/s from a height of 5 feet. Its equation of motion is given by :

f(x) = -12x^2 + 60x + 5 ....(1)

(a) For maximum height, put \dfrac{df(x)}{dt}=0

So,

\dfrac{ d(-12x^2 + 60x + 5)}{dt}=-24x+60

Now put,

-24x+60=0\\\\x=2.5\ s

So, the time taken for the T-shirt to reach maximum height is 2.5 seconds.

(b) Put x = 2.5 s in equation (1)

f(x=2.5) = -12(2.5)^2 + 60(2.5) + 5\\\\f(x)=80\ \text{feet}                

8 0
3 years ago
Triangle JKL is similar to triangle MNO. Find the measure of side OM. Round your answer to the nearest tenth if necessary.
Sonbull [250]

Answer:43.1

Step-by-step explanation:

3 0
3 years ago
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The answer is A. 6 and 10
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You’re setting up a zip line in your yard you map out your yard in a coordinate plane and equation of the line representing the
Luda [366]

Answer: Great Question. In order to anwer your question where is the zip line

Step-by-step explanation:

7 0
3 years ago
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