Ask question

Ask question

All categories

3 years ago

11

black pencils cost 75 naira each and colour pencils cost 105 naira each if 24 mixed pencils cost 2010 naira how many of them wer

e black hint let there be x black pencils thus there are (24-x) coloured pencils.

1 answer:

KonstantinChe [14]3 years ago

7 0

Answer:

number of black pencils is 17

You might be interested in

What is 0.84 as a fraction in simplest form

tatyana61 [14]

84/100. 42/50. 21/25. And there not sure though

8 0

2 years ago

What is the least common denominator of the fraction 4 over x plus the fraction 2 x over x minus 1 plus the fraction x plus 3 ov

Leya [2.2K]

If we consider x having any other value then 0,1 or 2 then the answer is b.2x(x-1)

8 0

3 years ago

(cos 2theta)/(1 + sin 2theta) = (1 - tan theta)/(1 + tan theta)

andre [41]

Step-by-step explanation:

Here is the solution...hope it helps:)

3 0

2 years ago

Express each repeating decimal as a fraction.<br><br> 1. <br> 1.8[4]<br><br> 2.<br> 2.1[26]

Viefleur [7K]

Hello,

1.8444444....=1.8+1/10*0.44444....
=1.8+1/10*4/9
=1.8+4/90
=162/90+4/90
=166/90
=83/45

2.126262626...=2.1+1/10*0.262626...
=2.1+1/10*26/99
=2.1+26/990
=2079/990+26/990
=2105/990
=421/198

4 0

3 years ago

If anyone can check my work for me that would be greatly appreciated I'm having trouble.

krek1111 [17]

The answer is -13. Solution: = |-4b - 8| + |-1 - b^2| + 2b^3 = |-4(-2) - 8| + |-1 - -2^2| + 2(-2)^3 = |8-8| + |-1+4| + 2(-8) = |0| + |3| + (-16) = -13

8 0

2 years ago