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2 years ago

How do I round decimals?

2 answers:

8 0

Ok heres how you round decimals example if you have 1.5 you can increase it to 2 let me teach you a trick to do it easy 5 or more raise the score example
1.7 can round up to 2 and 4 or less let it rest example 1.3 you cant round that so it stays the same

Ray Of Light [21]2 years ago

3 0

So its pretty much like if your rounding reguraly but the only diffrience is that it had a decimal in it or a dot and you always have to remeber to round the big one first

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Please help!!!! largest, and smallest 6 digit number divisible by 2,3,4,5,6,8,9,10

Vadim26 [7]

Answer:

Basically it has to be divisible by 8, 9, and 10 because any number that is divisible by 2, 3, 4, 5, 6 must also be divisible by 8, 9 and 10. We know that the number has to end in 0, the sum of its digits must be divisible by 9 and the last three digits must be divisible by 8. Therefore, the smallest number is 10080 and the largest is 999360.

3 0

2 years ago

Rewrite the quadratic function in vertex form. Y=2x^2+4x-1

Fantom [35]

Answer:

$\large\boxed{y=2(x+1)^2-3}$

Step-by-step explanation:

The vertex form of an equation of a parabola:

$y=a(x-h)^2+k$

(h, k) - vertex

We have

$y=2x^2+4x-1=2\left(x^2+2x-\dfrac{1}{2}\right)$

We must use the formula: $(a+b)^2=a^2+2ab+b^2\qquad(*)$

$2\left(x^2+2(x)(1)-\dfrac{1}{2}\right)=2\bigg(\underbrace{x^2+2(x)(1)+1^2}_{(*)}-1^2-\dfrac{1}{2}\bigg)\\\\=2\left((x+1)^2-1-\dfrac{1}{2}\right)=2\left((x+1)^2-\dfrac{3}{2}\right)$

Use the distributive formula a(b + c) = ab + ac

$2(x+1)^2+2\left(-\dfrac{3}{2}\right)=2(x+1)^2-3$

5 0

2 years ago

What is the slope of the line through the points (2, 10) and (5, 8)?

xxMikexx [17]

The slope of a line is calculated by dividing the one y portion of the line by one x portion of the line. In this problem we have two points which can indicate us one portion of the y axis and one portion of the x axis. If we have two points of one line, then we can calculate its slope:
Point one (x1, y1)
Point two (x2, y2)
then the slope can be calculated as:
m = (y2 - y1)/(x2 - x1)

So lets use our data:
Point one (2, 10)
Point two (5, 8)
then the slope can be calculated as:
m = (8 - 10)/(5 - 2)
m = -2/3
therefore the slope is negative and is -2/3

4 0

3 years ago

1821.5 / 0.7= ill give brainliest

bulgar [2K]

Answer:

2602.142857 (you can simplify if you want)

Step-by-step explanation:

just act like the fraction sign is a division sign and then divide the two number.

Hope this helped!

3 0

2 years ago

1 > - y/6 Need help plz

ddd [48]

I don’t understand very much your question can you take it again so I could help

7 0

3 years ago