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3 years ago

A number that does not change

Mathematics

2 answers:

prohojiy [21]3 years ago

7 0

Answer:

a constant

Step-by-step explanation:

<h2><u>A CONSTANT AND A VARIABLE </u></h2>

a number that doesn't change is known as a constant as its value remain the same.

a number that does change is known as a variable

Delicious77 [7]3 years ago

6 0

Answer:

A constant

Step-by-step explanation:

Well, ideally I'd like more details, but a number that doesn't change in a mathematical equation is called a constant.

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The ratio of Country albums to Jazz albums in a music collection is 2:3. If the music collection has 45 albums, how many Country

kap26 [50]

{country albums}:{jazz albums}=2:3
3{country albums} = 2{jazz albums}

{country albums} + {jazz albums} = 45
{jazz albums} = 45 - {country albums}

3{country albums} = 2(45 - {country albums})
3{country albums} = 90 - 2{country albums}
5{country albums} = 90
{country albums} = 18

I got this answer from the link: brainly.com/question/2165977?entry=7190 I give them credit for this, as they were the original. For future reference, you can search your question at the top, and if someone has already answered that question and it is the same as yours, than you can use that, and thank them, etc. I hope this helps!<span />

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3 years ago

Alex swims at an average speed of 45m/min. How far does he swim in 1 minute and 24 seconds?

aksik [14]

Answer:

63 m

Step-by-step explanation:

We are given the following in the question:

Average speed of swimming = 45 m/min

Time = 1 minute 24 seconds

Converting time into minutes:

$=1 + \dfrac{\text{seconds}}{60}\\\\=1 + \dfrac{24}{60}\\\\=1.4\text{ minutes}$

Formula:

$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$

Putting values, we get.

$45 = \dfrac{\text{Distance}}{1.4}\\\\\text{Distance} = 45\times 1.4 = 63\text{ m}$

Thus, Alex swims for 63 m in 1 minute and 24 seconds.

6 0

3 years ago

Any thoughts im really confused on it

Alik [6]

The dots you see on step 1 and step 2 mean to multiply
when you divide a fraction you actually multiply it then whatever you get you simplify it. simple :) hope it helped

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3 years ago

I'll mark brainliest if you help me on this

kirill [66]

Answer:

3 3/4 i think

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2 years ago

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Sarah use three-quarters pound of blueberries to make a half a cup of jam how many pounds of blueberries would she need to make

Evgen [1.6K]

She wold need 1.5 pounds because you doubled the result, so you double th recipe, which means you multiply 3 quarters pound (.75 lbs) times 2, which equals 1.5 lbs.

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3 years ago