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Alina [70]
3 years ago
14

Can someone please help me on 2 and 3

Mathematics
2 answers:
Ahat [919]3 years ago
7 0
All I know is the 1st one it is D
pav-90 [236]3 years ago
7 0
3) B, $9.07 per lb. because you divide $11.25 by 1.24. hope that helps!
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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
Find the missing angle. PLS HELP FAST !
eimsori [14]

Answer:

x = 53.5°

Hope this helps... Have a good day!!

3 0
3 years ago
Easy Area problem <br><br> Need it fast
Gekata [30.6K]

Answer:

just subtract the area of the rectangle from the area of the carpet

fine I'll do it

Area of a rectangle= lb

Area of a square= a^2

Area of the remaining area= lb - a^2

= (12*4) - (2*2)

= 48-4

= 44 ft^2

5 0
3 years ago
Tell whether the equation has one, zero, or infinitely many solutions:<br>9(x - 4) +15=9x – 21​
Mama L [17]

Answer:

Infinite solutions

Step-by-step explanation:

Simplify both sides, subtract 9x, and add 21x to both sides and you will get 0 = 0 so there is infinite solutions.

8 0
3 years ago
Covert the following measurements 13 miles to yards
Molodets [167]
1 mile = 1760 yards
Therefore you must times 13 by 1760
13x1760 = 22880
4 0
3 years ago
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