2 years ago

Please u need to help please

Mathematics

2 answers:

MA_775_DIABLO [31]2 years ago

8 0

Based on the picture she could use wood screen screws to make something similar

WITCHER [35]2 years ago

4 0

The next question could be 26 & 2/3 as a square 26 & 2/3 by 26 & 2/3 by 26 & 2/3 for volume

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What is 23% of 256? please help

Anastasy [175]

So first you need to turn the percent into a decimal. So 23% would be 0.23 because you divide 23 by 100 to turn it into a decimal. Now you multiply 0.32 and 256. So:

$0.23 *256=58.88$

So your answer would be 23% of 256 is 58.88. I hope this helps! =)

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3 years ago

The graph below shows the function f(x)=x-3/x2-2x-3. Which statement is true?

BARSIC [14]

1. Domain.

We have $x^2-2x-3$ in the denominator, so:

$x^2-2x-3\neq0\\\\(x^2-2x+1)-4\neq0\\\\(x-1)^2-4\neq0\\\\(x-1)^2-2^2\neq0\qquad\qquad[\text{use }a^2-b^2=(a-b)(a+b)]\\\\(x-1-2)(x-1+2)\neq0\\\\
(x-3)(x+1)\neq0\\\\\boxed{x\neq3\qquad\wedge\qquad x\neq-1}$

So there is a hole or an asymptote at x = 3 and x = -1 and we know, that answer B) is wrong.

2. Asymptotes:

$f(x)=\dfrac{x-3}{x^2-2x-3}=\dfrac{x-3}{(x-3)(x+1)}=\boxed{\dfrac{1}{x+1}}$

We have only one asymptote at x = -1 (and hole at x = 3), thus the correct answer is A)

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2 years ago

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What is 800 metres in centimetres

KIM [24]

Remember that
1m=100cm
8m=800cm

800m=80,000cm

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3 years ago

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My phone rang exactly midway between 10:53 AM one day and 1:05 PM the next day. What time did it ring?

marishachu [46]

The time it rang was 11:59 PM.