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4 years ago

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Mathematics

1 answer:

shtirl [24]4 years ago

6 0

Answer:

n=1

Step-by-step explanation:

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The diagram below gives the dimensions of a swimming pool. 18 ft , 20ft, 36ft (c) What is the total area of the swimming pool? E

WARRIOR [948]

The picture in the attached figure

Part 1) What is the total area of the swimming pool?

we know that
area of the swimming pool=area rectangle-area semi circle

area rectangle=20*36-----> 720 ft²

area semicircle=pi*r²/2
r=18/2----> 9 ft
area semicircle=pi*9²/2----> 127.17 ft²

area of the swimming pool=720 ft²-127.17 ft²----> 592.83 ft²

the answer Part 1) is
The area of the swimming pool is 592.83 ft²

Part 2) What is the perimeter of the swimming pool?

perimeter of the swimming pool=perimeter of rectangle-18 ft+perimeter semi circle
perimeter of rectangle=2*[20+36]---> 112 ft

perimeter semi circle=2*pi*r/2----> pi*r
r=9 ft
perimeter semi circle=pi*9----> 28.26 ft
so
perimeter of the swimming pool=112 ft-18 ft+28.26 ft----> 122.26 ft

the answer Part 2) is
122.26 ft

6 0

3 years ago

Which is largest 3.3 times 10^5 or 3.1 times 10^5

erik [133]

Answer: 3.3 times 10^5 is bigger

Step-by-step explanation: 10^5= 10*10*10*10*10=100,000.

so 100,000 multiplied by 3.3 = 330,000

or 3.1 multiplied by 100,000 = 310,000 so it's obvious that 330,000 is bigger.

3 0

2 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=2sin%5E%7B2%7D%20x%20-%20%282%5Csqrt2%20%2B%5Csqrt3%20%29%20sinx%20%3D%5Csqrt%7B6%7D%20%3D0" i

nasty-shy [4]

Answer:

Try an Scientific Calculator You'll Get That In No time

6 0

2 years ago

HELPPPPPPPPPPPPPPPPP

emmasim [6.3K]

For this case, what you should see is where the graph cuts the x-axis.
Notice that the graph cuts to the x axis in three different points.
Then the value of x that is in the domain of the function in this case is:
x = 1
For this value of x the function is zero.
Answer:
x = 1

5 0

3 years ago

Read 2 more answers

Find the area of the hexagon

IrinaK [193]

Answer:

The area is 78 square inches

Step-by-step explanation:

so you can split the hexagon into two trapezoids, and then find the area of one of those trapezoids, which is what I did. The area of a trapezoid I think is

a, b=base, h=height

A=a+b/2*h

is a really bad way of saying it, but that's how I know to do it.

So anyways I just substituted the numbers with their corresponding letters and solved. So the area of one trapezoid was 39, and since we have two 39's, you do 39*2 and you get 78.

Hope I helped

4 0

3 years ago

Read 2 more answers