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inysia [295]
2 years ago
9

Question 2 of 10

Mathematics
1 answer:
Vinil7 [7]2 years ago
5 0

Answer:

ccccccc ccccccccccccccccc

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Two teams of interns are wrapping donated gifts at a hospital. if the teams work alone, team a can wrap all of the gifts in 7 ho
romanna [79]
Together it would take 3 hours.
Team A can wrap all gifts in 7 hours; thus they can wrap 1/7 of the gifts in 1 hour.

Team B can wrap all gifts in 5 hours; thus they can wrap 1/5 of the gifts in 1 hour.

1/7h + 1/5h = 1, where h is the number of hours; it equals 1 because it is 100% of the gifts;

Find a common denominator.  35 is the first thing 7 and 5 will both divide into.  Convert the fractions:
5/35h + 7/35h = 1
12/35h = 1

Divide both sides by 12/35:
12/35h ÷ 12/35 = 1 ÷ 12/35
h = 1/1 ÷ 12/35
h = 1/1 × 35/12
h = 35/12
h = 2.9
h ≈ 3
4 0
3 years ago
Given the sequence 4, 8, 16, 32, 64, ..., find the explicit formula.
Goshia [24]

Answer:

\sf 2^{(n+1)}

Step-by-step explanation:

Explicit formula is used to represent all the terms of the geometric sequence using a single formula.

  \sf \boxed{\bf t_n=ar^{(n-1)}}

Here, a is the first term.

r is the common ratio.

r = second term ÷ first term

4, 8,16,32,64,.....

    a = 4

    r = 8 ÷4 = 2

\sf t_n =4*2^{(n-1)}

    \sf = 4*2^n * 2^{(-1)}\\\\     = 4*2^n*\dfrac{1}{2}\\\\     = 2*2^n

   \sf = 2^{(n+1)}

4 0
2 years ago
You roll a number cube 20 times. Which scenario is least likely?
BigorU [14]

Answer:

you won't roll the same number 5 times

7 0
2 years ago
Police use the formula please help
icang [17]
What grade are you in I can try to help but this looks difficult can you try to explain it for me
6 0
2 years ago
1 3/8 + 4 1/6 jwbhcjhbnegggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg
Ilya [14]
BOIII get outta here
3 0
3 years ago
Read 2 more answers
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