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Otrada [13]
3 years ago
10

Lisa purchased a prepaid phone card for 25. Long distance calls cost 9 cents a minute using this card. Lisa used her card only o

nce to make a long distance call. If the remaining credit on her card is 23.92 how many minutes did her call last?
Mathematics
1 answer:
yuradex [85]3 years ago
7 0

Answer:

1.08

Step-by-step explanation:

All you do is simple subtraction and you can easily have the answer in seconds so your answer is 1 minute and 8 seconds

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To solve 493x = 3432x+1, write each side of the equation in terms of base
sleet_krkn [62]

<u><em>Answer</em></u>

= 3.405 × 10⁻⁴

<u>Explanation</u>

If the question is correctly written, then it is very easy.

First, take the like terms on one side.

493x = 3432x+1

493x - 3432x = 1

-2939x = 1

Dividing both sides by -2939 to get the value of x.

x = 1/(-2939)

= - 0.0003405

= 3.405 × 10⁻⁴

3 0
3 years ago
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If 2/3 of the girls in class have brown eyes and 1/4 of the girls have blue eyes, what fraction of the girls in class have neith
sweet [91]

Answer:

If 2/3 of the girls in class have brown eyes and 1/4 of the girls have blue eyes, what fraction of the girls in class have neither blue nor brown

Step-by-step explanation:

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3 years ago
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A quadrilateral is a parallelogram only if both pairs of opposite sides are equal.
monitta

Answer:

True

Step-by-step explanation:

A parallelogram is a quadrilateral with 4 sides and both pairs of opposite sides are equal.

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3 years ago
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What is the value of 36X negative Y over to when X equals three and Y equals -6
Rus_ich [418]

<u><em>Note:</em></u>

<em>Your question is a little unclear. But, from my understanding, I assume you may be asking the evaluation of the expression 36x - y when x = 3 and y = -6.</em>

<em>so I will solve based on my assumption which anyways would clear your concept.</em>

Answer:

The value of 36x - y when x = 3 and y = -6 will be: 114

Step-by-step explanation:

Given

Assuming the expression

36x - y

To Determine

Evaluate 36x - y when x = 3 and y = -6

Given the expression

36x - y

substitute x = 3 and y = -6 to evaluate the expression

36x-y= 36(3) - (-6)

            = 108+6

            = 114

Therefore, the value of 36x - y when x = 3 and y = -6 will be: 114

5 0
3 years ago
g A slot machine has three slots; each will show a cherry, a lemon, a star, or a bar when spun. The player wins if all three slo
Law Incorporation [45]

Answer:

64

Step-by-step explanation:

Let us consider E_abc to be the event that a, b and c appear on the first, second and third slot of the spin machine.

Now, we are told that each slot has 4 possibilities which are a cherry, a lemon, a star, or a bar when spun.

Thus, from mn rule in probability, the total number of simple events in the sample space is = 4³ = 64

7 0
3 years ago
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