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Scrat [10]
3 years ago
12

Donna rents a car. She has a fixed rate of $95.00 weekly, $10.00 per week for insurance, and she spends $17.00 weekly on gas. Wh

at will his cost be per month (4 weeks)?
Mathematics
2 answers:
gtnhenbr [62]3 years ago
7 0
4(95 + 10 + 17) = 4(122) = 488 <== cost per month
Lelechka [254]3 years ago
6 0

Answer:

The cost per month is $ 488.00.

Step-by-step explanation:

Since, for a week,

Fixed rate of the car = $ 95.00,

Insurance = $ 10.00,

On gas = $ 17.00,

Thus, the total spending for a week = 95.00 + 10.00 + 17.00 = $ 122.00

⇒ The total spending for 4 weeks = 4 × 122.00 = $ 488,

Hence, The cost is $ 488 per month.

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Write an expression to represent: 3 minus the quotient of x and 4
alisha [4.7K]

The expression representing the sentence is $3 -\frac{x}{4}.

We have a sentence - "3 minus the quotient of x and 4".

We have to determine the expression that represents the sentence.

<h3>Express the statement - "The difference of x and y is equal to an irrational number" in the form of expression.</h3>

The expression representing the above statement is -

x - y = π.

According to the question, we have -

3 minus the quotient of x and 4.

Using the Division Algorithm -

x = 4q + r

Substituting r = 0 by introducing decimals in the quotient, we get -

q = $\frac{x}{4}

Therefore -

$3 -\frac{x}{4}

Hence, the expression representing the sentence is $3 -\frac{x}{4}.

To solve more questions on Expression modelling, visit the link below-

brainly.com/question/20876878

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8 0
2 years ago
Read 2 more answers
Element X is a radioactive isotope such that every 51 years, its mass decreases by half. Given that the initial mass of a sample
pychu [463]

Answer: It will take 6 years for 7500 grams of X to reach 6900 grams.

Step-by-step explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  

t = age of sample

a = let initial amount of the reactant  

a - x = amount left after decay process  

a) for completion of half life:  

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

51=\frac{0.69}{k}

k=\frac{0.69}{51}=0.0135years^{-1}

b) for  7500 g to reach to 6900 g

t=\frac{2.303}{0.0135}\log\frac{7500}{6900}

t=6years

It will take 6 years for 7500 grams of X to reach 6900 grams.

5 0
3 years ago
What is the common ratio?<br> 5, -10, 20, -40, 80<br> What is the 15th term of the sequence?
KatRina [158]

Step-by-step explanation:

Use the above formula

-5 is the difference between the numbers..

hope you understood..

3 0
3 years ago
Part A: Find the LCM of 7 and 12. Show your work. (3 points)
anyanavicka [17]

The LCM of 7 and 12 is 84 and GCF of 56 and 96 is 8, 56+96 can be written as 8(19).

<h3>What is LCM?</h3>

It is defined as the common number of two integers, which is the lowest number that is a multiple of the two or more numbers. The full name of LCM is the least common multiple.

LCM of 7 and 12:

7 can be divided by 7

Factor of 12 is 2×2×3

So the LCM = 7×2×2×3 = 84

For GCF:

We know:

GCF(56, 96) = (56×96)/LCM(56, 96)

GCF(56×96) = (56×96)/672 = 8

= (56 + 96)

= 8(7+12)

= 8(19)

Thus, the LCM of 7 and 12 is 84 and GCF of 56 and 96 is 8, 56+96 can be written as 8(19).

Learn more about the LCM here:

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3 0
2 years ago
Which fractions add together to make 3/6
pashok25 [27]

Answer: 1/2

Step-by-step explanation: 1 x 3 = 3 and 2 x 3 = 6

7 0
3 years ago
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