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3 years ago

The capacity of a beamer is 0.1 liter. convert this to milliliters

Mathematics

1 answer:

Vladimir [108]3 years ago

3 0

A milliliter is a thousandth of a liter. 1,000 milliliters (mL) are in a liter. So, multiply 0.1 by a thousand to find the answer. The answer is 100.

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Step2247 [10]

Answer:

IM pretty sure b) and c)

Step-by-step explanation:

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2 years ago

4/5 divided by 3 fraction.......

astra-53 [7]

Answer:

4/15

Step-by-step explanation:

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3 years ago

Given the equation 4x2 − 8x 20 = 0, what are the values of h and k when the equation is written in vertex form a(x − h)2 k = 0?

Westkost [7]

The vertex form of the given quadratic equation is

$4(x-1)^{2} + 16 =0$ .

According to the given question.

We have a quadratic equation

$4x^{2} -8x + 20 = 0$

Since, for the standard quadratic form is $ax^{2} +bx + c = y$ , the vertex form of a quadratic equation is $y = a(x -h)^{2} + k$ where (h, k) is the vertex.

And h and k can be calculated as

h = -b/2a and y = k

So, for the given equation $4x^{2} -8x + 20 =0$ the vertex (h, k) is given by

h = -(-8)/2(4) = 8/8 = 1 (X coordinate of vertex)

and,

$y =4x^{2} -8x+ 20$

substitute x = 1 in the above equation for the value of k

Y = 4(1)(1) - 8(1) + 20

⇒ Y = 4 - 8 + 20

⇒ Y = -4 + 20

⇒ Y = 16

so, k = 16 (Y coordinate of vertex)

Now, substitute the value of a, k and h in $y = a(x-h)^{2} + k$ .

⇒ $0 =4(x-1)^{2} + 16$

Therefore, the vertex form of the given quadratic equation is

$4(x-1)^{2} + 16 =0$ .

Find out more information about vertex form of a quadratic equation here:

brainly.com/question/12223454

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1 year ago

Is y=2x+4 non-proprtonal or propportional

natali 33 [55]

Answer:

non-proprtonal

Step-by-step explanation:

8 0

3 years ago

Can somebody help me to factorice this?

OverLord2011 [107]

Answer:

(r^2 - r - 1)(r^2 + r - 1).

Step-by-step explanation:

r^4 - 3r^2 + 1

We need to make this into a perfect square so the r^4 and the 1 fit the bill but not the -3r^2 so we have to correct for that.

A perfect square would be:

r^4 - 2r^2 + 1 ( = (r^2 - 1)^2 )

But we need -3r^2 so we add - r^2 at the end:

= (r^4 - 2r^2 + 1) - r^2 So now we have the difference of 2 squares and we write:

(r^2 - 1)^2 - r^2

= (r^2 - 1 - r)(r^2 - 1 + r)

= (r^2 - r - 1)(r^2 + r - 1)

8 0

2 years ago