3 years ago

Quadrilateral with only one set of perpendicular

Mathematics

1 answer:

Lelechka [254]3 years ago

8 0

Square because perpendicular means 90 degrees angle.

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The circles are identical. What is the circumference of each circle? Circle 1: radius of 2x; Circle 2: diameter of 2x+3. A. 3/2

Delicious77 [7]

Answer:

C=6π

Step-by-step explanation:

It is given that, two circles are identical. The radius of first circle is 2x and the diameter of other circle is 2x+3.

If identical, it means that the radius of both circles are same i.e.

$2x=\dfrac{2x+3}{2}\ \ (\because\ r=\dfrac{D}{2}, d=\text{diameter})\\\\4x=2x+3\\\\2x=3\\\\x=1.5$

Radius of both circles is 2(1.5)=3

The circumference of a circle is given by :

$C=2\pi r\\\\C=2\pi (3)\\\\C=6\pi$

So, the circumference of each circle is 6π.

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2 years ago

Violin strings are parallel. Viewed from above, a violin bow in two different positions forms two transversals to the violin str

svlad2 [7]

ANSWER

$x=10$

and

$y=20$

EXPLANATION

Since corresponding angles are equal,

$4x+y=60---(1)$

Alternate angles are also equal, therefore,

$8x+y=100---(2)$

Equation (2) minus equation (1) gives,

$\Rightarrow 4x=40$

$\Rightarrow x=10$

We put $x=10$ in to equation (1)

$4(10)+y=60$

$y=60-40$

$y=20$

4 0

3 years ago

Another not so difficult one, Giving Brainliest and 35 points

KonstantinChe [14]

Answer:

$3^{-2}=\frac{1}{3²}=\frac{1}{9}$

3 0

2 years ago

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Help. Jim runs 10 miles in 85 minutes. At the same rate, how many minutes would he take to run 8 miles?

const2013 [10]

Answer:

68 minutes, 1 mile every 8.5 minutes

Step-by-step explanation:

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2 years ago

Tickets for the theater are $5 for the balcony and $10 for the orchestra. If 600 tickets were sold and the total receipts were $

kherson [118]

5x+10y=4750
x+y=600

x=250
y=350

250 theater tickets
350 orchestra tickets

4 0

3 years ago