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vichka [17]
3 years ago
6

Can somebody plz answer this problem

Mathematics
1 answer:
jekas [21]3 years ago
7 0

Answer:

w = 5/7

Step-by-step explanation:

We move all terms to the left:

15/7-(3w)=0

We multiply all the terms by the denominator

-3w*7+15=0

multiply elements

-21w+15=0

We move all terms containing w to the left, all other terms to the right

-21w=-15

w=-15/-21

w=5/7

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How do i express x^2-3x into the form of (x-m)^2+n. I will give brainliest to correct answer
mel-nik [20]

Step-by-step explanation:

let's simply do the multiplications and then compare with the original.

(x-m)² + n

right ?

or is it

{(x - m)}^{2 + n}

let's go for the first.

x² - 2mx + m² + n = x² - 3x

-2mx + m² + n = -3x

fun there we see two things :

-2m = -3

m = 3/2

and

m² + n = 0

(3/2)² = -n

9/4 = -n

n = -9/4

so our transformed expression looks like

(x - 3/2)² - 9/4

7 0
2 years ago
2x - 5 &gt; -9<br> solve inequality
n200080 [17]

Answer:

x>-2

Step-by-step explanation:

first you want to get rid of all of the numbers on the left so you can only be left with 2x>-4 then you decide both sides by 2x because you only want to be left with one x and once you divide you will be left with x>-2

3 0
1 year ago
What's 10cm in depth
sertanlavr [38]

Answer:

10 cm is equivalent to 3,937007874 inches.

Step-by-step explanation:

4 0
2 years ago
Three friends go grocery shopping together and each buys same kind of oranges. Lamar buys 2 pounds and pays 7.00 Enrico buys 3 p
xenn [34]

Answer: B

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
The curve with equation y2 = x3 + 3x2 is called the tschirnhausen cubic. find an equation of the tangent line to this curve at t
MAVERICK [17]
First find the slope, take derivative of both sides with respect to x.  
2y dy/dx=3x^2+6x
solve for dy/dx
dy/dx=[3x^2+6x]/2y
plug in given vales of (1,2(
dy/dx=9/4

now you have everything you need to plug into point slope form
y-2=(9/4)(x-1)
answer is y=(9/4)x+(1/4)
5 0
3 years ago
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