3 years ago

Which animal's heart beats at a rate of 65 beats per minute?

Mathematics

2 answers:

loris [4]3 years ago

7 0

Answer:

A cow

Step-by-step explanation:

Over [174]3 years ago

6 0

A cow has 65 beats per minute

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Find the number that makes the ratio equivalent to 8:5. 72:?

Iteru [2.4K]

The answer to this question is 45

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3 years ago

Is it just me or do you guys get annoyed when people give us a whole explanation like, I only need the letter of the answer.

Oduvanchick [21]

Answer:

Yes lol

Step-by-step explanation:

Well the app says it helps people learn the answers but when I'm in a test i just look at letters:)

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2 years ago

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Find lim x→3 sqrt 2x+3-sqrt 3x/ x^2-3x. you must show your work or explain your work in words plsss I need help

sineoko [7]

I'm assuming the limit is supposed to be

$\displaystyle\lim_{x\to3}\frac{\sqrt{2x+3}-\sqrt{3x}}{x^2-3x}$

Multiply the numerator by its conjugate, and do the same with the denominator:

$\left(\sqrt{2x+3}-\sqrt{3x}\right)\left(\sqrt{2x+3}+\sqrt{3x}\right)=\left(\sqrt{2x+3}\right)^2-\left(\sqrt{3x}\right)^2=-(x-3)$

so that in the limit, we have

$\displaystyle\lim_{x\to3}\frac{-(x-3)}{(x^2-3x)\left(\sqrt{2x+3}+\sqrt{3x}\right)}$

Factorize the first term in the denominator as

$x^2-3x=x(x-3)$

The $x-3$ terms cancel, leaving you with

$\displaystyle\lim_{x\to3}\frac{-1}{x\left(\sqrt{2x+3}+\sqrt{3x}\right)}$

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3 years ago

Admission to a local aquarium is $10 for adults and S7 for children. The aquarium collected $6,459 from the sale of 783 tickets.

Anarel [89]

Answer:

The answer is 457

Step-by-step explanation:

You set up an equation as

10a+7c=6459

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c= child

a= adult

then you simplify to 3a=978 by taking out one of the values. You get a - 326.

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3 years ago

3) Write in expanded form: 12, 245

spin [16.1K]

Twelve, two hundred and fourty five

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3 years ago

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