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Ann [662]
2 years ago
12

Find the circumference of the circle ​

Mathematics
1 answer:
jenyasd209 [6]2 years ago
3 0

Answer:

72.22

Step-by-step explanation:

You might be interested in
it cost $35 for one adult and two children to attend a show. It cost $60 for two adults and three children to attend the same sh
N76 [4]
Assume that,
adult = x
child = y

x+2y = 35 (1st equation)
2x+3y = 60 (2nd equation)
x = 35-2y (3rd equation)

Substitute 3 into 2 :

2(35-2y) + 3y =60
70-4y +3y = 60
y = 10

x+2y = 35
x+2(10) =35
x +20 =35
x = 15

One adult = $15


7 0
3 years ago
(07.02)
s344n2d4d5 [400]
C two
Hope this helps
8 0
2 years ago
There are 252 seats in the planetarium. Some seats are on the first floor and there are 76 seats in the balcony.
Andrei [34K]
A. 176 because if there are 252 total and 76 on the balcony your answer is 252-76. 
3 0
2 years ago
Read 2 more answers
What is the point in the line<br><br> y-5=2(x+6)
Vinil7 [7]
Point slope form will give you the point
y - y1 = m(x- x1)
when the equation says -, the number is positive. when the equation says +, the number is negative
in this case the point is (-6,5)
5 0
2 years ago
Could someone please answer and explain the following question?
andrezito [222]

Answer:

see explanation

Step-by-step explanation:

the error in the question is that

sec²x = \frac{1}{cos^2x} ≠ \frac{1}{sin^2x} , and

csc²x = \frac{1}{sin^2x} ≠ \frac{1}{cos^2x}

have been used incorrectly in simplifying the expression

then

\frac{tan^2x+1}{1+cot^2x}

= \frac{sec^2x}{csc^2x}

= \frac{\frac{1}{cos^2x} }{\frac{1}{sin^2x} }

= \frac{1}{cos^2x} × \frac{sin^2x}{1}

= \frac{sin^2x}{cos^2x}

= tan²x

4 0
1 year ago
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