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Deffense [45]
3 years ago
12

Sam wanted to find three consecutive even numbers that add up to 84. He wrote the equation k + (k + 2) + (k + 4) = 84. What does

k reperesent? a) The least of the three even numbers b) The middle even number c) The greatest of the three even numbers d) The average of the three even numbers.
Mathematics
1 answer:
Gelneren [198K]3 years ago
6 0

Answer:

I may be wrong here, but I think it's C If not then I have no idea ;-;

Step-by-step explanation:

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A cone has a volume of 12 cubic inches. What is the volume of a cylinder that the cone fits exactly inside of?
sattari [20]
Volume of a cone = 1/3 r² π h
Volume of a cylinder = r² π h = 3 · V ( cone ) = 3 · 12 = 36 in³
Answer: C )
6 0
3 years ago
Given the explicit expression f (n) = 5n - 2, write a set showing the sequence, and write a recursive expression.
denpristay [2]

Answer:

f(n) = 5 + f(n - 1)

Step-by-step explanation:

Given

f(n) = 5n - 2

Required

Write a recursive expression

f(n) = 5n - 2

When n = 1

f(1) = 5 * 1 - 2 = 5 - 2 = 3

f(1) = 3

When n = 2

f(2) = 5 * 2 - 2 = 10 - 2 = 8

f(2) = 8 can be rewritten as

f(2) = 5 + 3

Substitute 3 for f(1)

f(2) = 5 + f(1)

Express 1 as 2 - 1

f(2) = 5 + f(2-1) ----- (1)

When n = 3

f(3) = 5 * 3 - 2 = 15 - 2 = 13

f(3) = 13 can be rewritten as

f(3) = 5 + 8

Substitute 8 for f(2)

f(3) = 5 + f(2)

Express 2 as 3 - 1

f(3) = 5 + f(3 - 1)  ------ (2)

Write out (1) and (2)

f(2) = 5 + f(2-1)

f(3) = 5 + f(3 - 1)

Replace 2 and 3 with n in both cases; This gives

f(n) = 5 + f(n - 1)

Hence;

The recursive is f(n) = 5 + f(n - 1)

7 0
3 years ago
One day, a person went to a horse racing area. Instead of counting the number of humans and horses, he counted 74 heads and 196
Alexus [3.1K]
Answer: B: The person counts 24 horses and 50 humans.
3 0
3 years ago
Read 2 more answers
Each candle uses 10 ounces of wax and 1 ounces of scent. Explain in complete sentences how I can determine the number of candles
Sphinxa [80]

You would multiply 50x16 being 16 ounces= 1 pound and than divide that by 10

4 0
3 years ago
11) Write the explicit formula
Illusion [34]

Answer:

365

Step-by-step explanation:

tn = t1 + (n - 1)(d)

t(47) = -3 + (47 - 1)(8)

t(47) = -3 + (46)(8)

t(47) = -3 + 368

t(47) = 365

6 0
2 years ago
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