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shtirl [24]
2 years ago
14

A fence is 10 ft wide by 10 ft long. If posts are placed 2 feet apart how many posts are needed?

Mathematics
1 answer:
yuradex [85]2 years ago
6 0

20

There are 10 feet of posts on each side. That means there are 40 feet of fencing in total. If you divide that by two (to represent posts being 2 feet apart) then you get 20. There are 20 posts needed.

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ava is trying to determine how much a delivery of 70 gallons of water will weigh she knows that five gallons of water weigh 41.7
guajiro [1.7K]

Answer:

583.8lbs

Step-by-step explanation:

So first you have to find the weight of 1 gal to do that you must take the weight of the 5 which is 41.7lbs and divide it by 5 to get 8.34lbs/gal. Then multiply that by 70 gallons to get the total weight of 583.8lbs.

7 0
3 years ago
Someone please help!!!!!!!!!
tino4ka555 [31]

Answer:

-32

Step-by-step explanation:

Simply input the x and y values.

New equation:

| 147-(-9) | /(-4) +7

Step one:

<em>147-(-9)   = 156</em>

<em>Step two:</em>

|156|/-4    =-39

Step three:

-39+7      =-32

If you evaluate the expression it comes out to -32

6 0
3 years ago
Solve the equation. 6x=2x^2+1
7nadin3 [17]
6x = 2x^2 + 1
2x^2 - 6x + 1 = 0
x= \frac{-(-6) \pm \sqrt{(-6)^2-(4 \times 2 \times 1)}}{2 \times 2}\\=\frac{6\pm\sqrt{36-8}}{4}\\=\frac{6\pm\sqrt{28}}{4}\\=\frac{6\pm2\sqrt{7}}{4}\\=\frac{3\pm\sqrt{7}}{2}\\=\frac{3+\sqrt{7}}{2}\,or\,\frac{3-\sqrt{7}}{2}
 
7 0
3 years ago
1/2 divided by 3/4 = 1/a times b/c = d/e
Vinvika [58]

Step-by-step explanation:

1/2 ÷ 3/4 = 1/2 × 4/3 = 4/6

a = 2

b = 4

c = 3

d = 4

e = 6

6 0
3 years ago
#1. The area of a square tile is 53.4cm^2. find the length of one side of the tile, rounded to the nearest 10th.
andrey2020 [161]

Problem 1

<h3>Answer: 7.3</h3>

Explanation: Apply the square root to the area to get the side length. This only applies to areas that are squares (hence the name).

==================================================

Problem 2

<h3>Answer:  C) 1.3</h3>

Explanation: Use your calculator to find that choices A,B,D plugged into the square root function yield terminating decimal values. "Terminating" means "stop". This implies that they are perfect squares (though not perfect squares in the sense of whole number perfect squares which you may be used to). Choice C is the only value that has a square root that leads to a non-terminating decimal. The digits of this decimal go on forever without any pattern. The value is irrational.

  • sqrt(5.29) = 2.3  terminating decimal
  • sqrt(13.69) = 3.7 terminating decimal
  • sqrt(1.3) = 1.140175425 keeps going forever without any pattern
  • sqrt(0.09) = 0.3 terminating decimal

==================================================

Problem 3

<h3>Answer:  23.6 feet approximately</h3>

Explanation: Apply the square root to 15.5 to get roughly 3.937; this is the approximate side length of one square. Six of these tiles placed together will lead to a total length of roughly 6*3.937 = 23.622 which rounds to 23.6 feet. Like with problem 1, the square root being used like this only works for square areas.

5 0
3 years ago
Read 2 more answers
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