MATHEMATICS MIDDLE SCHOOL

On Monday morning you have 30 tickets of 1/3 is sold in Monday and 1/5 on Tuesday how many are left

Answers

Answer 1

Answer:

On Monday we have 30 tickets total.

We sell 1/3 of them on Monday.

1/5 Tuesday.

1/3 of 30 is 10. 30-10=20 We have twenty left

1/5 of 20 is 4. 20-4=16.

We have 16 left.

Answer 2

Answer: gooooooodluck hehehe

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If you have lived for a million seconds, how many birthdays have you had?

Answers

A million seconds is not that long. My next birthday is in 1,296,000 seconds
from now, and I have already lived more than 2.3 billion seconds !

(1,000,000 seconds) x (1 day / 86,400 seconds) =

11days 13hours 46minutes 40seconds .

It's possible that you might have one birthday within that length of time,
but it's not guaranteed. It would have to be the RIGHT million seconds.

If that's been your whole life so far ... you are 1 million seconds old ..,
then you have not had your first birthday yet.

You will only be 11.57 days old.
Arguably, however old we are, we only have one 'birthday' which is the day of our birth. What is referred to as our first birthday is actually the the first anniversary of our birth and subsequent ones are the relevant anniversaries our birth.

Solving Systems of Equations by substitution
-5x-8y=17
2x-7y=-17

Answers

$\left\{\begin{array}{ccc}-5x-8y=17\n2x-7y=-17\end{array}\right\n\left\{\begin{array}{ccc}-5x=8y+17&/\cdot(-2)\n2x-7y=-17&/\cdot5\end{array}\right\n\n\left\{\begin{array}{ccc}10x=-16y-34\n10x-35y=-85\end{array}\right\n\nsubstitute:\n\n-16y-34-35y=-85\n-51y=-85+34\n-51y=-51\ \ \ \ /:(-51)\ny=1\n\n10x=-16\cdot1-34\n10x=-50\ \ \ \ /:10\nx=-5\n\nSolution:x=-5\ and\ y=1$

$-5x=17+8y \n x= - (17+8y)/(5) \n 2x-7y=-17 \n 2* (17+8y)/(5) -7y=-17 \n (34+16y)/(5) -7y=-17 \ we \ bring \ to \ the \ same \ denominator \ \n34+16y-35y=-85 \n -19y=-85-34 \n 19y=119 \n y= (119)/(19) \n x= -( 17+ 8* (119)/(19) )/(5) \n x= - ( 17 + (952)/(19) )/(5) \n x= - ( (323+952)/(19))/(5) \n x= -( (1275)/(19) )/(5) \n x= -(1275)/(19) * (1)/(5) \n x= -(255)/(19)$

Can someone pls help

Answers

Answer:

1318.8 meters

Step-by-step explanation:

1318.8 is the answer

£245 £140 £525 £174 £195 £163 £140
what is the mode?

Answers

The mode is the number that repeats itself the most in a sequence. In this case, the mode will be £140 since it repeats itslef the most (2 times).

Hope it helped,

BioTeacher101

How to draw a model shows each decimal 1.7

Answers

the answer is seven tenths

The answer is Seven tens

How do you find the greatest common factor of 12m(r+t)^2 and 3pr(r+t)^4?

Answers

$\bf \begin{array}{lll|l} 12m(r+t)^2&~\hspace{4em}&~3pr(r+t)^4\n&&\n 4\cdot \underline{3} m\underline{(r+t)^2}&&3pr(r+t)^(2+2)\n&&\n &&\underline{3} pr(r+t)^2\underline{(r+t)^2} \end{array}~\hfill \stackrel{\textit{\Large GCF}}{3(r+t)^2}$

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