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Elan Coil [88]
3 years ago
8

For her phone service, Lucy pays a monthly fee of $18, and she pays an additional $0.05 per minute of use. The least she has bee

n charged in a month is $81.20What are the possible numbers of minutes she has used her phone in a month? Use m for the number of minutes and solve your inequality for m.
Mathematics
1 answer:
natita [175]3 years ago
6 0
M = 4.

The reason why is because you first have to add 0.05 and 18 together, and than multiply it by the closes number to 81.20 which is 4, and also it cannot be over 81.20.
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15 is a multiplication problem:

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3 years ago
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If VX=15 and WX=7, what is UX? Write your answer as a whole number, improper fraction, or as a decimal rounded to the nearest hu
Tju [1.3M]

<u>Given</u>:

Given that the length of VX is 15.

The length of WX is 7.

We need to determine the altitude UX of the given triangle.

<u>Altitude UX:</u>

The value of the altitude UX can be determined using the altitude rule theorem.

Applying the theorem, we have;

\frac{left}{altitude}=\frac{altitude}{right}

Substituting left = UX, altitude = VX and right = VW in the above formula, we get;

\frac{UX}{VX}=\frac{VX}{XW}

Substituting the values, we get;

\frac{UX}{15}=\frac{15}{7}

Multiplying both sides of the equation by 15, we have;

UX=\frac{15 \times 15}{7}

UX=\frac{225}{7}

UX=32.14

Thus, the length of UX is 32.14 units.

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3 years ago
a faather is four times older than his son. however, 20 years later he will be only twice as old as the son. what's the father's
Ostrovityanka [42]
Let f and s represent the present ages of father and son.
.. f = 4s . . . . the age of the father is 4 times the age of the son
.. (f +20) = 2*(s +20) . . . . in 20 years, the father will only be 2 times the age of the son.

Substituting for f in the second equation, we have
.. 4s +20 = 2(s +20)
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.. 4s = f = 40 . . . . . . . The father's current age is 40.
8 0
4 years ago
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Answer:

possible outcomes

1a

1b

2a

2b

3a

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Step-by-step explanation:

there are a total of 2 number one's

so there is a possibility of 2/6 chance to get the number 1

There are 3 a's in the set of data so there is a 3/6 chance to get an a

But we should exclude 1a because it is already counted in the first set when we counted the total number of 1's so there is a 2/6 chance of getting an A

add

2/6+2/6=4/6

There is a 4/6 or 2/3 chance of getting either an a or a 1

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Answer:

???

Step-by-step explanation:

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