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Deffense [45]
3 years ago
6

A microwave oven is on sale for 20% off the original price of 79.50

Mathematics
1 answer:
Archy [21]3 years ago
5 0
The microwave would cost $63.60 to buy
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William and Stephanie are playing a rather dangerous game of catch on the rooftops of skyscrapers in downtown Chicago. William i
olasank [31]
The question involves the concept & equations associated with projectile motion.

Given:
y₁ = 1130 ft
v₁ = +46 ft/s (note positive sign indicates upwards direction)
t = 6.0 s
g = acceleration due to gravity (assumed constant for simplicity) = -32.2 ft/s²


Of the possible equations of motion, the one we'll find useful is:

y₂ = y₁ + v₁t + 1/2gt²

We can just plug and chug to define the equation of motion:

<u><em>y = (1130 ft) + (46 ft/s)t + 1/2(-32.2 ft/s²)t²</em></u>


<em>(note: if you were to calculate y using t = 6.0 s, you'd find that y = 826.4 ft, instead of 830 ft exactly because of some rounding of g and/or the initial velocity)</em>

7 0
3 years ago
A plane takes off and flies at an angle of 11° with the ground. When it reaches an elevation of 500 ft, what is the distance flo
drek231 [11]

Answer:

It had flown 2620 ft along the diagonal.

Step-by-step explanation:

When the plane is taking off it forms we can form a triangle with it's height, horizontal distance and diagonal distance, which can be seen in the attached drawing. We can use the sine relation on the right triangle to determine "x", as shown below:

sin(11°) = 500/x

x*sin(11) = 500

x = 500/[sin(11)] = 2620 ft

It had flown 2620 ft along the diagonal.

7 0
3 years ago
If the relative frequency of getting a 'red' on a spinner is 0.4, how many reds would you expect to get in 300 spins?
Shkiper50 [21]
You could expect to land on red 120 times because 300*.4=120
6 0
3 years ago
Read 2 more answers
At a coffee shop, the first 100 customers'
Rudiy27

Answer:

so there is a 5% change of or ordering a large cold drink

Step-by-step explanation:

first add the total of all drinks

5+48+22+8+12+5=100

the amount of large drinks that are cold are 5

so there is a 5% change of ordering a large cold drink

8 0
1 year ago
Find the slope of the line (-1,-4) , (-4,2)
Feliz [49]
Rise = -6
Run = 3

-6/3 = -2

Slope = -2

4 0
3 years ago
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