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Paul [167]
3 years ago
7

Evaluate 6 - 2(-1) +1-51 = 09 01 13

Mathematics
1 answer:
Elenna [48]3 years ago
7 0
Answer might be 9 due to my algebra teacher
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Find the area of a circle with a diameter of four
Elis [28]

Answer:

12.57

Step-by-step explanation:

the formula for the area of a circle is \pi r^{2}

the diameter is 2 times the radius, so dividing it by 2 gives you a radius of 2

substitute the 2 for the r in the formula and solve

\pi 2^{2}

4\pi

≈12.57

7 0
3 years ago
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Of the 8 students in the chess club, three will represent the club at an upcoming competition. How many different 3-person teams
xz_007 [3.2K]
I think that this is a combination problem. From the given, the 8 students are taken 3 at a time. This can be solved through using the formula of combination which is C(n,r) = n!/(n-r)!r!. In this case, n is 8 while r is 3. Hence, upon substitution of the values, we have

C(8,3) = 8!/(8-3)!3!
C(8,3) = 56

There are 56 3-person teams that can be formed from the 8 students. 
6 0
3 years ago
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I want to know how to get the answer so I can do it myself in the future
Rudik [331]

Answer:

107/33

Step-by-step explanation:

107/33 is the rational number equivalent to 3 point 24 with a bar over 24.

5 0
2 years ago
Can x in f(x) be replaced by another letter? For example f(a);Would that be the same thing?
Murljashka [212]

Answer:

Yes

Step-by-step explanation:

X is just an unknown variable which can be substituted as another variating condition. I.E Function of x can be written as Function of a. If no other condition is present.

5 0
3 years ago
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What is the name given to a five-sided polygon that has congruent sides? A. hexagon B. regular hexagon C. pentagon D. regular pe
inysia [295]

Answer:

C

Step-by-step explanation:

Pentagon

Hope this helps (:

5 0
2 years ago
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