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harina [27]
3 years ago
6

Your dad is putting a new circular swimming pool in the backyard that has the radius of 8 ft. If he wants to put bricks AROUND t

he outside edge of the pool, how many feet of bricks will he need? (use 3.14 for pi).
Mathematics
2 answers:
Lena [83]3 years ago
4 0

Answer: 200.96ft.

Step-by-step explanation:

A=πr2

A=3.14 x 8x8

A=3.14 x 64

A= 200.96ft.

Give BRAINLIEST PLEASE

stira [4]3 years ago
3 0

Answer:

2r*3.14= c

Step-by-step explanation:

2*8=16

16* 3.14=50.24

He will need 51 feet of brick

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I need help with this as well!<br>Thank you<br>​
liberstina [14]

Answer:

X= 78

Step-by-step explanation:

180-115=65 that's one of the angles

and the other one is 360-323=37

and add the two angles together  = 102

then finally 180-102=78 and that's it  

4 0
3 years ago
Which expression is equivalent to 36/(4 + y)?
I am Lyosha [343]

Answer:

B) 36/(y+4)

Step-by-step explanation:

Use the process of elimination.

A cannot work because we are changing the operation. Instead of dividing thirty-six by the sum of four and a number, we are dividing thirty-six by four, then adding the unknown number. This is not the same as the original expression, so we know it is not this.

Next, check C. C doesn't seem right either. Remember that, unlike multiplication and addition, you cannot flip the order in which the operation is being done and still get the same answer. C says four plus a number divided by thirty-six, which is entirely different from our original expression. So the answer is not C.

And finally, check D. D doesn't work either. With D, we are dividing thirty-six by a number, then adding it to thirty-six divided by four. This is not the same as our original expression, so D isn't it.

That leaves us with B. Does it work? Yes, because changing the y and the four still will give the same thing. And yes, because 36 is being divided by the sum of that number and four. So it is our answer.

8 0
2 years ago
Plot a point at the y-intercept of the following function on the provided graph.<br> 3y = -5* + 7
Lorico [155]
The answer is y= 2/3 or y= -35/3
Hope this helps!
4 0
3 years ago
❗️❗️❗️Find the length of side x in simplest radical form with a rational denominator.❗️❗️❗️
tiny-mole [99]

Answer:

x=\frac{\sqrt{14} }{2}

Step-by-step explanation:

Notice that you are given an isosceles right-angle triangle to solve, since each of its two acute angles measures 45^o. Then such means that the sides opposite to these acute angles (the so called "legs" of this right angle triangle) must also be of the same length (x).

We can then use the Pythagorean theorem that relates the square of the hypotenuse to the addition of the squares of the triangles legs:

(\sqrt{7})^2=x^2+x^2\\7=2\,x^2\\x^2=\frac{7}{2} \\x=+/-\sqrt{\frac{7}{2}} \\x=+/-\frac{\sqrt{14} }{2}

We use just the positive root, since we are looking for an actual length. then, the requested side is:

x=\frac{\sqrt{14} }{2}

6 0
3 years ago
3 Graph the system of equations using the line tool. Drag N Drop the rectangle to match the type of solution. If the system has
Ivahew [28]

noooo

Step-by-step explanation:

hreg fthbuyrurbu5jhbf rf rhjfr hbn  jkjlnik

5 0
2 years ago
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