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ad-work [718]
3 years ago
14

I need to know if this is correct

Mathematics
1 answer:
Law Incorporation [45]3 years ago
7 0
Yes its right
hope this helps


You might be interested in
F(x)=3x-6 find f(4) I
Akimi4 [234]
To find f(4), you want to substitute x for 4 in the equation. It would look like:

f(4) = 3(4) - 6

Then, just do the math:

f(4) = 12 - 6
f(4) = 6

Hope this helps! :)
3 0
3 years ago
Dont understand this question it confucing
Juliette [100K]
So, let's see, Amber made 3 penalty shots off 4, now, 3 out of 4 is 75% or 3/4.  So she's 75% of the time effective.

Lindsay has made 4 out of 6 penalty shots, 4/6 or 2/3, that's about 66% effectiveness.

Li has made 2 out of 3 penalty shots, that's 2/3, that's about the same 66% effectiveness.

so, which fraction is highest 3/4, or 2/3 or 2/3?  neverminding the percentages, let's multiply all by the LCD, let's see from 4, and 3, and 3, the LCD is 12.

so, let's multiply all of them by 12, to get rid of the denominator, to see which is highest.

\bf 12\cdot \cfrac{3}{4}\implies \boxed{9}\qquad \qquad 12\cdot \cfrac{2}{3}\implies \boxed{8}

notice, Amber has the higher effectiveness rate, to make it through in the penalty kick.
8 0
4 years ago
3х - 7y = 13<br> 6х + y = 7<br> Elimination!! Pls help guys
balandron [24]

Step-by-step explanation:

(3х - 7y = 13)×-2

6х + y = 7

-6х +14y = -26

6х + y = 7

15y=-19

y=-19÷15=-1.26

6x+-1.26=7

6x=7+1.26

6x=8.26

x=1.37

4 0
3 years ago
Someone help me answer this please y = 6х – 2х^2
sasho [114]

Answer:

0=x,  3=x

Step-by-step explanation:

One is given the following equation:

y=6x-2x^2

Factor this expression:

y=-2x(x-3)

Set the equation equal to (0), then use the zero-product property to solve for (x). The zero product property states that any number times zero equals zero. Thus, one can apply this here to solve for (x):

0=-2x(x-3)

0=-2x          0=x-3

Inverse operations,

0=-2x          0=x-3

0=x               3=x

4 0
3 years ago
If an interior angle of a regular measures 140º, how many sides does the polygon have?
Scilla [17]

9

Hope this helps :)

Sum of the angles of a polygon is (n-2)*180

Each angle is (n-2)*180/n

140 = (n-2)*180/n

140n = 180n - 360

-40n = -360

n = 9

6 0
3 years ago
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