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castortr0y [4]
2 years ago
10

There are 30 students on the debate team and 20 students on the math team. Ten students are on both the math team and debate tea

m. What is the total number of students on either team?
A) 20
B) 30
C) 40
D) 50
Mathematics
1 answer:
Sauron [17]2 years ago
5 0

Answer:

The answer would be 40 because 30+20-10=40

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jolli1 [7]
First, you need to isolate the x in the first equation. 
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3 0
3 years ago
What is 1/2 of 22 and 2/3 of 16
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1/2 of 22:
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6 0
2 years ago
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romanna [79]
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3 years ago
Pleaseeeee helpppppp!!
Sergio [31]

Answer:  The equation of the circle as specified is (x+5)² + (y -1)² = 25

Step-by-step explanation:  Use the Pythagorean Theorem to calculate the length of the radius from the coordinates given for the triangle location: A(-1,4), B(-1,1) and C(-5,1)  

subtract y-values of A & B 4-1=3 AB = 3

subtract x-values of B &C -5-(-1) =4 BC=4  3² + 4² = 9 + 16 = 25  

√25 = 5   AC = 5  That is the radiuus of the circle.    

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Use the equation for a circle:

( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

Use the coordinates of C, (-5, 1) as h and k in the equation

Substituting those values, we have (x -[-5])² + (y -[1])² = 5²

Simplify:  (x+5)² + (y -1)² = 25

A graph of the circle is attached. The radius is AC, between the center C (-5,1) and A( -1,4) on the circumference.  (Sorry, I still need to learn how to create line segments!)

8 0
3 years ago
What is 2/3x-1/5x=x-1
Fed [463]

Answer:

= 15/8

Step-by-step explanation:

hope this helps!

5 0
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