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olya-2409 [2.1K]
3 years ago
8

When you go to the store, does tax increase or decrease the cost of your items?

Mathematics
1 answer:
Musya8 [376]3 years ago
3 0

yes because you have to pay more it's tricky

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A stereo system is being installed in a room with a rectangular floor measuring 19 feet by 12 feet and a 7​-foot ceiling. The st
krek1111 [17]

Answer:

The shortest length of wire that can be used is 29.47 ft.

Step-by-step explanation:

To solve this problem we can follow the following steps:

1) We have the dimensions of the floor of the room. The shortest distance between its opposite corners is the diagonal. We calculate the diagonal using the Pythagorean theorem.

L = \sqrt{12^2 + 19^2}\\\\L= 22.47\ ft

2) Since the speaker is on the ceiling, and the amplifier is on the floor, then 7 more feet of wire is needed to reach the speaker. <em>Observe the attached image</em>

3) The final distance (d) is:

d = 22.47\ ft + 7\ ft\\\\d = 29.47\ ft

6 0
2 years ago
An ice cream cone has a height of 4 in and a radius of 1 in. If the cone is 0.1 in thick, what is the difference (in in3) betwee
SSSSS [86.1K]

Answer:

0.79 in^3

Step-by-step explanation:

Given data for the cone

height h= 4 in

radius r= 1 in

hence diameter d= 2 in

thickness of cone= 0.1 in

The volume of the cone including the shell can be expressed as

volume=\frac{1}{3} \pi r^2h

volume= \frac{1}{3}*3.142*1^2*4\\\volume= \frac{12.568}{3} \\\volume= 4.189 in^3

The volume of the ice cream can be expressed as

N/B: the diameter of the ice cream is

2-(0.1*2)= 2-0.2= 1.8 in

hence the radius is 0.9 in

volume= \frac{1}{3}*3.142*0.9^2*4\\\ volume= \frac{10.18}{3} \\\ volume= 3.39 in^3

The difference in volume is 4.189-3.39= 0.79 in^3

8 0
2 years ago
Write the slope intercept
Papessa [141]
Find the slop equation.

Slope: -3

Y-intetrcept: -3
y =  - 3x - 3
Now write it as an inuquality.

It's shaded to the left and the line is not fully filled in. Which means that whatever "y" is, it's Less than the and equal to the slope.
y \leqslant  - 3x - 3
Hope this helps :)

4 0
3 years ago
The coordinates of a triangle
Molodets [167]
Draw the rectangle in the map and count the length, area, and perimeter
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3 years ago
You are painting the outside wall of a large building. The wall has a width of 60.11 meters, and a height of 79.88 meters. You n
77julia77 [94]

Answer: A)  4,800 m2

60.11m x 79.88= 4801.5868

5 0
2 years ago
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