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kumpel [21]
3 years ago
7

Alicia hiked 334 miles for 8 Saturdays in a row. Then she hiked 514 miles for the next 4 Saturdays. What is the total distance A

licia hiked?
Mathematics
1 answer:
Sholpan [36]3 years ago
8 0

Answer: 5242 miles.

Step-by-step explanation:

334 times 8 plus 514 times 4 equals 5242.

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Jason can travel 24 3/4 miles in one half hour what is his average speed in miles per hour
NikAS [45]
Average speed = 24 3/4 / 1 1/2 = 99/4 / 3/2 = 99/4 x 2/3 = 16 1/2 miles per hour.
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If 6 men can do a piece of work in 14 days, how many men are needed to do the work in 21days?
Ivenika [448]
Total work amount
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4 0
3 years ago
What is the product of the 2 solutions of the equation x^2+3x-21=0
Advocard [28]
X²+3x-21=0

1) we solve this square equation:
x=[-3⁺₋√(9+84)] / 2=(-3⁺₋√93)/2
We have two solutions:
x₁=(-3-√93)/2
x₂=(-3+√93)/2

2) we compute the product of the 2 solutions found.
[(-3-√93)/2][(-3+√93)/2] =(-3-√93)(-3+√93) / 4=
=(9-93)/4=-84/4=-21

Answer: the product of the 2 solutions of this equation is -21
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3 years ago
If f(x)= x^3 - 2x^2, find f(-2)
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If you draw two cards from the deck at the same time, what is the probability that they will both be hearts?
koban [17]

Answer:

The probability is 1/17.

Step-by-step explanation:

The total number of ways in which 2 cards can be selected from a pack of 52 cards is \binom{52}{2}

The total number of combinations of 2 cards with hearts equals \binom{13}{2}

Thus the probability of the event that both the cards have hearts becomes

P(E)=\frac{\binom{13}{2}}{\binom{52}{2}}=\frac{1}{17}

4 0
3 years ago
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