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Firlakuza [10]
3 years ago
8

Anyone ?please help:') (middle school)

Mathematics
1 answer:
iren2701 [21]3 years ago
6 0
All you have to do is multiply the left column number by 8 for each one.
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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
Someone who is good with algebra i equations and inequalities?
guajiro [1.7K]
Somebody? I think you can find someone like that in your school... nice profile picture.
5 0
3 years ago
(Photo attached) Trig question. I partially understand it, but not completely. Please explain! :) Thanks in advance.
aliya0001 [1]

Answer:

  • A = 2
  • B = 3

Step-by-step explanation:

You can start by recognizing 19/12π = π +7/12π, so the desired sine is ...

  sin(19/12π) = -sin(7/12π) = -(sin(3/12π +4/12π)) = -sin(π/4 +π/3)

  -sin(π/4 +π/3) = -sin(π/4)cos(π/3) -cos(π/4)sin(π/3)

Of course, you know that ...

  sin(π/4) = cos(π/4) = (√2)/2

  cos(π/3) = 1/2

  sin(π/3) = (√3)/2

So, the desired value is ...

  sin(19π/12) = -(√2)/2×1/2 -(√2)/2×(√3/2) = -(√2)/4×(1 +√3)

Comparing this form to the desired answer form, we see ...

  A = 2

  B = 3

5 0
3 years ago
Confused a little pls Help me out. ​
HACTEHA [7]

Answer:

The answer is on point (3,1)

4 0
3 years ago
Read 2 more answers
I need questions 12-30 evens on pg 375 and 356!!!!
lidiya [134]

Answer:

I know you have a problem

6 0
2 years ago
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