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DiKsa [7]
3 years ago
9

A classroom had 35 glue sticks. if the ratio of glue sticks to glue bottles was 5 : 2, how many glue bottles did the classroom h

ave?
Mathematics
1 answer:
liberstina [14]3 years ago
8 0
14 glue bottles are in the classroom.
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Printer A can print 30 pages per minute. Printer B can print 40 pages per minute. Printer B begins printing 3 minutes after Prin
anzhelika [568]

Printer A prints for 10 minutes, so prints

... (30 pages/minute)×(10 minutes) = 300 pages


Printer B prints for 7 minutes, so prints

... (40 pages/minute)×(7 minutes) = 280 pages


At the end of 10 minutes, the two printers will have printed

... 300 pages + 280 pages = 580 pages

8 0
3 years ago
Find the four rational numbers and irrational numbers between 2/5 and 5/6
Savatey [412]
The four?

Of course there are an infinite number of rationals between any two different real numbers, as well as an even bigger infinite number of irrationals.

The average will be between the numbers:

\frac 1 2 (\frac 2 5 + \frac 5 6) = \dfrac{37}{60}

That's a lot of work to get a number in between.  We can just see

\frac 1 2
is between the two numbers.

The mediant, or freshman addition, will always be in between:

\dfrac{2 + 5}{5 + 6} = \dfrac{7}{11}

2/5=.4 and 5/6 is about .83, so

.6 = \frac{6}{10}

is in between as is .7, .41, .530940394 and as many rationals as we care to generate.

To get irrationals we could just add a teeny irrational to the ones we just generated, like \frac{6}{10} + \frac{\pi}{100}

We could just change that denominator a bit and get as many as we like.

But let's get some square roots.  The geometric mean will be between

\sqrt{ \dfrac 2 5 \cdot \dfrac 5 6 } = \dfrac{1}{\sqrt{3}}


That's the tangent from one of trig's biggest cliches, but I digress.  It's in between.

While we're on trig cliches, 

\dfrac{1}{\sqrt{2}}

is in between as well.

Keeping with the trig theme, also in between are

\dfrac{\pi} 6

and

\dfrac{\pi}{4}


the angles associated with the some of the above trig function values.

We could obviously go on as long as we cared to.



7 0
4 years ago
What is... 15% of x Please help
lukranit [14]
This answer will probably be 3/20 x not sure
7 0
3 years ago
PLEASEE HELP!! <3 100 POINTSS
iris [78.8K]

To tell isf a table is proportional, divide y by x,

if all sets are the same it is proportional.

First table:

3 / -3 = -1

2 / -4 = -2


-1 and -2 are not the same


Table 2:

1/-1 = -1

3/-3 = -1

5/-5 = -1


These are all the same.


Table 2 is correct.

6 0
3 years ago
Read 2 more answers
2. A plumber uses 16 inches of tubing to
BaLLatris [955]
Well he says he needs 16 inches of tubing for each washing machine and he is trying to install 18 washing machines. 
sooo all we have to do is multiply 16 times 18
lets do the math:)
16 x 18 = 288
whats your answer? well its 288 inches of tubing 
have a good one:) 

merry christmas:D
4 0
3 years ago
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