Blowyourmind123

9 Questions
15 Answers

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Help, stuck on a normal approximation question.

Calculate the normal approximation of the probability of rolling a 7 or 8 on an 8 sided dice, 12 times in a row.
Mean = 3
Standard deviation = 1.5
Report answer as a percentage to 7dp. read more ..

Blowyourmind123 Feb 15, 2024

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659

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Making X the subject

I have been trying to figure out the answer to this question and I have tried many different ways, but according to the answer sheet I keep getting it wrong.
How would you rearrange this equation to make x the subject?
p=3(y+2x)2
<read more ..

Blowyourmind123 Apr 18, 2021

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843

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URGENT HELP NEEDED

The size of each exterior angle of a regular polygon is 40 degrees.
Work out the number of sides of a regular polygon

supermanaccz ●●

Blowyourmind123 Mar 21, 2018

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954

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Algebra! HELP Needed urgently.

what is 2a2 x 3a5

sorry i know this might be really easy read more ..

Blowyourmind123 Oct 2, 2017

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893

2

+66

Help! Anybody.

Help this may seem a really easy question but what is the 5th number in this sequence????????

77 read more ..

ElectricPavlov ●●

Blowyourmind123 Mar 19, 2017

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860

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Please can anyone help me with the questions, HELP! and Consecutive numbers

PLEASE HELP ME, Especially with the consecutive numbers one.

Blowyourmind123 Mar 18, 2017

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961

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HELP!

Write a ten digit number so that the first digit tells us how many zeros there are in the number, the second one how many ones, the third one, how many twos, etc...

Blowyourmind123 ●●

Blowyourmind123 Mar 18, 2017

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893

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Consecutive numbers

A woman and her grandson have the same birthday. For six consecutive days she is an exact mutiple of his age. How old is the grandmother at the sixth of these birthdays?

Blowyourmind123 Mar 18, 2017

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986

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+66

How many trees can the farmer plant?

A farmer has half a hectare to plant fruit trees in. Each fruit tree must have 25 metres squared to grow. How many trees can the farmer plant?

ElectricPavlov ●●●

Blowyourmind123 Mar 12, 2017