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4 years ago

Identify the solution set of the given inequality using the given replacement set.

Mathematics

1 answer:

scoundrel [369]4 years ago

3 0

Another user previously answered this same question and had a good rating, his answer was as follows:

"{-9; -6.5; -5.2}"

Which I suppose would be answer D.
- Hope it helps.

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Theresa has $12 in nickels and quarters. If she has the same number of each kind of coin, how many nickels and quarters does she

postnew [5]

Answer: She has 40 nickels and 40 quarters .

Step-by-step explanation:

Let be "n" the number of nickels Theresa has and "q" the number of quarters Theresa has.

You know that she has a total of $12 in nickels and quarters. In cents, this is:

$\$12*100=1,200\ cents$

Then, based on this you can write the following expression:

$5n+25q=1,200$

Since $n=q$ , you can rewrite it as:

$5n+25n=1,200$

Solving for "n", you get:

$30n=1,200\\\\n=\frac{1,200}{30}\\\\n=40$

Therefore she has 40 nickels and 40 quarters .

7 0

3 years ago

What is the volume of a cylinder with a radius of 3 cm and a height of 5 cm?

PSYCHO15rus [73]

Answer:

141.3 cm³

Step-by-step explanation:

V=πr2h=π·32·5≈141.37167cm³

5 0

3 years ago

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I GIVE BRAINLILEST

stich3 [128]

Answer:

96 kilograms

Step-by-step explanation:

32x3=96 just trust me I don'T know how to explain

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3 years ago

make the indicated conversion assume a 360-day year as needed,8months to simplified fraction of a year

balandron [24]

<span>8 months to simplified fraction of a year:

There are 12 months in a year.

8 month = 8/12 = 2/3</span>

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3 years ago

the total cost of 8 pens and 9 books is $30.05. if the cost of a pen is $a, and a book is .90 MORE expensive. find A. Give your

AysviL [449]

Answer:

2 Answers By Expert Tutors ... Let's set x = cost of books and y = cost of pens. ... In algebra, this can be written as x + y = 18. ... Using x and y, we get 1 book and 2 pens costs $21, or x + 2y = 21 ... The pen must cost $3 because we are adding $3 to the total when we ... Please provide a valid phone number.

Step-by-step explanation:

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3 years ago

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