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seraphim [82]
3 years ago
12

5. Please help with my math

Mathematics
2 answers:
elena55 [62]3 years ago
7 0

Answer: 16/625

Step-by-step explanation:

2/5^4 is 2/5*2/5*2/5*2/5

That equals 16/625

That is also its simplest form.

Grace [21]3 years ago
6 0

(2/5)^4

2*2*2*2= 16

5*5*5*5=625

Answer: 16/625

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To find a median of an even amount of numbers, add the two middle numbers, and divide by two.

45 + 46 = 91

91/2 = 45.5

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3 years ago
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Ivan has $1098 worth of $12 and $14 stock shares. The number of $14 shares is seven more than
Dafna1 [17]

Answer:

Number of 12$ Shares? 25

Number of 14$ Shares? 57

Step-by-step explanation:

Let x = number of $12 shares.

Let y = number of $14 shares.

"Ivan has $1098 worth of $12 and $14 stock shares."
12x + 14y = 1098

The number of $14 shares is seven more than twice the number of $12 shares.

y = 2x + 7

We have a system of equations.

12x + 14y = 1098

y = 2x + 7

We can use the substitution method since the second equation is already solved for y. Substitute 2x + 7 for y in the first equation.

12x + 14(2x + 7) = 1098

12x + 28x + 98 = 1098

40x = 1000

x = 25

There are 25 $12 shares.

y = 2x + 7 = 2(25) + 7 = 57

There are 57 $14 shares.

Check:

25 × $12 + 57 × $1`4 = $300 + $798 = $1098

The total value is correct, so the answer is correct.

4 0
2 years ago
What happens when you get a negative square root in the quadratic formula?
prisoha [69]
Edited : I apologise I misunderstood the question.

You can solve the equation.
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