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KengaRu [80]
3 years ago
7

Please help me answer.

Mathematics
2 answers:
ololo11 [35]3 years ago
7 0

Answer:

D. 251.2 feet

Step-by-step explanation:

On carefully observing the diagram,it can be seen that 80 feet is the diameter of the circular ride, i.e.,the circle,in this case.

The radius of the circle will be half the diameter,r=(80/2) feet=40 feet

The distance of one complete loop of this circular path will be the circumference of the circle.

So, Circumference

=2*π*r

=2*3.14*40 feet

=251.2 feet [ANS]

gtnhenbr [62]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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write each of the following fraction as equivalent fractions with a denominator of 10 a. 1/2 b. 1/4 c. 3/30 d. 12/30​
monitta

9514 1404 393

Answer:

  a. 5/10

  b. 2.5/10

  c. 1/10

  d. 4/10

Step-by-step explanation:

To find the numerator, multiply each fraction by 10.

  a. (1/2)(10) = 5, so 1/2 = 5/10

  b. (1/4)(10) = 2.5, so 1/4 = (2.5)/10 or (5/2)/10

  c. (3/30)(10) = 1, so 3/30 = 1/10

  d. (12/30)(10) = 4, so 12/30 = 4/10

5 0
3 years ago
The perimeter of rectangle ABCD is 256 inches. Its length is 3 times as long as its width. Find the area of triangle ABC.
Oliga [24]

Answer:

\large\boxed{A_\triangle==1,536\ in^2}

Step-by-step explanation:

The formula of a perimeter of a rectangle:

P=2(l+w)

The formula of an area of a rectangle:

A=lw

l - lenght

w - width

We have l = 3w and the perimeter P = 256 in. Substitute:

2(3w+w)=256               <em>divide both sides by 2</em>

4w=128               <em>divide both sides by 4</em>

w=32\ in\to l=3(32)=96\ in

Calculate the area of a rectangle:

A=(96)(32)=3,072\ in^2

The triangle ABC is the half of the rectangle. Therefore the area of a triangle ABC is:

A_\triangle=\dfrac{3,072}{2}=1,536\ in^2

5 0
3 years ago
5.6 cm<br> 8.2 cm<br> Area =_______
katovenus [111]

Answer:

Hello! answer: 22.96

Step-by-step explanation:

Area is base × height × 1/2 or base × height ÷ 2

Im going to use the second method.

8.2 × 5.6 = 45.92 45.92 ÷ 2 = 22.96 therefore the answer is 22.96

8 0
3 years ago
Read 2 more answers
Given: Z = 0.43Y + 12 ; What is Y when Z = 28
jolli1 [7]
Z = 0.43Y + 12; Z = 28
28 = 0.43Y + 12; insert value of Z
16 = 0.43Y; subtract 12 from both sides
37.21 = Y; divide both sides by 0.43; rounded to nearest hundredth
5 0
3 years ago
Helppp please. Sorry. I have 6 more questions to go
matrenka [14]

Answer:

what  is the qustion

Step-by-step explanation:

8 0
3 years ago
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