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Ahat [919]
3 years ago
13

What are two ways friction can be increased

Mathematics
2 answers:
mihalych1998 [28]3 years ago
7 0
By making the surface rougher and to increase the force pushing the surfaces together.
Fudgin [204]3 years ago
3 0
1. Make the surface rougher, like having sandpaper instead of stone.
2. Increase the force of the item being moved.
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Question 6<br> What is the additive inverse of 87? *<br> Your answer
polet [3.4K]

Answer:

Additive Inverse of 87 = -87

Step-by-step explanation:

Since the additive inverse of 87 is -87, additive inverse is also known as the opposite number. To get the additive inverse of a postive number you put a minus in front of it and to get the additive inverse of a negative number, you remove the minus to make it a positive number.

5 0
3 years ago
Solve #2 with an explanation please
KatRina [158]
The fence is 210 ft long.
There is a post every 3.5 ft.
If you divide 210 ft by 3.5 ft, you get the number of spaces between posts.
(210 ft)/(3.5 ft) = 60
The fence starts with a post. Then there is 3.5 ft of fencing. Then there is another post. Then there is another 3.5 ft of fencing followed by a post. In total there are 61 posts.

Here's another way of thinking of why you end up with 60 posts.
For each 3.5 ft of fencing, you place a post at the end of the fencing.
Since there are 60 3.5-ft-long pieces of fencing, there will be 60 posts, one at the end of each piece of fencing. The first thing that is done is to put the initial post before any fencing is put up. The first post plus 60 more posts add up to 61 posts.

Now that you see why there are 61 posts, we can calculate their cost.
61 * $8.50 = $518.50
5 0
3 years ago
Kia purchased 3 pounds of grapes and spent $11.63 on other items. She spent a total of $20. She used the following steps to find
Maurinko [17]
3x + 11.63 = 20
3x + 11.63 - 11.63 = 20 - 11.63
3x = 8.37

by subtracting the 11.63 from both sides, this tells us how much the grapes cost....not per lb., but for the total of all the grapes.
7 0
3 years ago
Xyz^(2) if x=2 y=7 and z=-4
Afina-wow [57]

Answer:

-224

Step-by-step explanation:

xyz^2

(2)(7)(-4)^2

14 x -16

-224

8 0
2 years ago
calcula la cantidad de liquido que se perdio en 20 dias de un contenedor que pierde 125 ml de agua al dia producto de la avapora
nikitadnepr [17]

Answer:

125×20=2,500ml de agua en 20 dias.

4 0
3 years ago
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