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4 years ago

A gym charges its members a one-time $10.00 sign-up fee, and $25 per month. The function

Mathematics

1 answer:

zvonat [6]4 years ago

7 0

Answer:

7 months

Step-by-step explanation:

We can write the equation 25x+10=185 where 25 represents the cost per month, x represents the number of months, 10 represents the sign-up fee and 185 represents the total cost.

To isolate the variable, first subtract 10 from both sides of the equation.

This new equation should look like: 25x=175

The next step in isolating the variable is to divide both sides of the equation by 25.

Doing this, you should be left with the final equation x=7 which is your answer.

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3 years ago

Dalgliesh the detective fancies himself a shrewd judge of human nature. In careful tests it has been discovered that he is right

Dafna11 [192]

Answer:

The probability that Jones is lying is 6/7

Step-by-step explanation:

First we will list out 2 different cases when the outcome is a lie

1.probability that Jones tells lies is = 0.6 and probability that dalgiliesh analyses it correctly is 0.8

So the probability that dagliesh correctly analyses that he is telling lies is 0.8*0.6=0.48

2.Probability that Jones tells truth is 0.4 and if dagliesh analyses it incorrectly (which has a probability of 0.2) the outcome(as analysed by dagiliesh) is a lie

So probability that dagliesh analyses Jones truth as a lie is 0.2*.0.4=0.08

Total probability of outcome being a lie is 0.48+0.08=0.56

But we need the probability of Jones actually saying a lie which is nothing but 0.48/0.56= 6/7

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3 years ago

How many lines of symmetry are in the regular pentagon O A. 3 O B. 5 O C. 7 O D. 9

stiks02 [169]

Answer:

Step-by-step explanation:

There is one line of symmetry for each side of the pentagon.

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3 years ago

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3 years ago

Marta said 50 + one-half m = 120 is an equation, while Maribel argued that it is an expression. Determine who is correct and exp

In-s [12.5K]

Answer:

Marta

Step-by-step explanation:

We are given that

$50+\frac{1}{2}m=120$

We have to find who is correct and explain.

We know that

Equation: It is mathematical sentence that combines numbers and variables which shows the equality of two expressions.

Example:

$x+y=3$

Expression: It is mathematical phrase that combines numbers and variables

using mathematical operators.It can be evaluated but not solved.

Example:

$x+y$

By definitions

$50+\frac{1}{2}m=120$

It is in equation form.

Therefore, Marta is correct.

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3 years ago

Read 2 more answers