Each of the 18 students in Mr. Hall's class has

Mathematics

2 answers:

xz_007 [3.2K]2 years ago

8 0

Answer: 18 x p is the answer.

Step-by-step explanation:

marta [7]2 years ago

5 0

Answer:

18*p

Step-by-step explanation:

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Expand the polynomial: (5a+1/5 b)^2

WINSTONCH [101]

Expand the following:
(5 a + b/5)^2

(5 a + b/5) (5 a + b/5) = (5 a) (5 a) + (5 a) (b/5) + (b/5) (5 a) + (b/5) (b/5):
5×5 a a + (5 a b)/5 + (5 b a)/5 + (b b)/(5×5)

(5 a b)/5 = 5/5×a b = a b:
5×5 a a + a b + (5 b a)/5 + (b b)/(5×5)

(b×5 a)/5 = 5/5×b a = b a:
5×5 a a + a b + b a + (b b)/(5×5)

Combine powers. (b b)/(5×5) = (b^(1 + 1))/(5×5):
5×5 a a + a b + b a + (b^(1 + 1))/(5×5)

1 + 1 = 2:
5×5 a a + a b + b a + (b^2/5)/5

5 a×5 a = 5×5 a^2:
5×5 a^2 + a b + b a + (b^2/5)/5

5×5 = 25:
Answer: 25 a^2 + a b + b a + (b^2/5)/5

3 0

3 years ago

Read 2 more answers

The diameter of the circle above is 100 cm. What is the circumference of the circle ?

Paladinen [302]

Answer: 100pi

Step-by-step explanation:

Look at attachment