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Nataliya [291]
3 years ago
5

I'm really bad at geometry. Please help

Mathematics
1 answer:
postnew [5]3 years ago
4 0
The sides of the frame are (12+2x) and (6+2x).
Its area A is 112.

Therefore by equating:
(12+2x)*(6+2x)=112
you can get the answer for x. You will obtain a quadratic equation you have to solve.
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The circumference of the smaller is 30% of the circumference of the larger circle. Find the circumference of the larger circle.
Ostrovityanka [42]

<u>Given</u>:

The circumference of the smaller is 30% of the circumference of the larger circle.

We need to determine the circumference of the larger circle.

<u>Diameter of the larger circle:</u>

The diameter of the smaller circle is 9 in.

Since, the circumference of the smaller is 30% of the circumference of the larger circle, we have;

S=0.3L

where S is the circumference of the smaller circle and L is the circumference of the larger circule.

\pi(9)=(0.3)\pi d

    9=0.3d

  30=d

Thus, the diameter of the larger circle is 30 inches.

<u>Circumference of the larger circle:</u>

The circumference of the larger circle is given by

C=\pi d

C=3.14\times 30

C=94.2

Thus, the circumference of the larger circle is 94.2 inches.

8 0
3 years ago
Order numbers 11/8,1.405, and1.45 smallest to largest
Diano4ka-milaya [45]

Step-by-step explanation:11/8 is 12.5 goes into one hundred 8 times so 12 x 11 is 137.5so then turn decimals to a percent 1.405 is 140.5 1.45 is 145 so the it is 137.5 140.5,145

3 0
3 years ago
What is the area of the parallelogram?<br> 48 sqrt3 cm^2<br> 48 cm^2<br> 24 sqrt3 cm^2<br> 24 cm^2
Salsk061 [2.6K]
The area of a parallelogram is base times height. 

We can find the height by deriving a right triangle from the 60 degree angle and the 6 cm hypotenuse

sin(60°) = opp/hyp = x/6
√3/2 = x/6     Multiply both sides by 6
3√3 = x
x = 3√3

The height is 3 √3

Area = base x height
Area = 3√3 * 8
Area = 24 √3 cm²

Answer is C) 24 √3 cm²

3 0
3 years ago
Aiden borrows a book from a public library. He read a few pages on day one. On day two, he reads twice the number of pages than
Fofino [41]

Let the number of pages read on day 1 be = x

Then on day 2 he read twice the pages from day one, it is = 2x

On 3rd day he read 6 pages less than 1st day, it is = x-6

Total pages are = 458

The equation becomes: x+2x+x-6=458

4x-6=458

4x=464

x=116

So on the third day, Aiden read x-6=116-6=110 pages.

5 0
3 years ago
Whats the answer please hurry
rewona [7]
Give me points ahahahah thank you sir
8 0
3 years ago
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