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77julia77 [94]
2 years ago
14

(x-4)2 + 3x at the value x = 7

Mathematics
2 answers:
Volgvan2 years ago
6 0

Answer:

30

Step-by-step explanation:

x = 7

( x - 4 )^2 + 3x

= ( 7 - 4 )^2 + 3 ( 7 )

= 3^2 + 21

= 9 + 21

= 30

julia-pushkina [17]2 years ago
4 0

Answer:

The answer is 27

Step-by-step explanation:

(X-4)2 + 3x

x is equal to 7

first substitute the values.

(7-4)2 + 3 x 7

solve-

(3)2 + 21

=27

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Given a_7=125 you can find a_6:

a_6= \frac{125-3}{2} =61
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3 years ago
Can someone show me how to factor this? 5k-35
kaheart [24]
Sure.
Can you find a number that goes into both terms, 5k and 35 ?
How about 5 ?

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3 years ago
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AlladinOne [14]

Answer:

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Step-by-step explanation:

8 0
2 years ago
Help pls and thank:)
I am Lyosha [343]

Answer:

y=-3x+2

Step-by-step explanation:

Slope-intercept form is given by the equation y=mx+b, where m is defined as the slope and b is defined as the y-intercept (the value on the y-axis that the line crosses). First we can determine the slope by using the slope formula.

m=(y2-y1)/(x2-x1), given two points (x1, y1) and (x2, y2). Keep in mind you can choose which point is (x1,y1) and which is (x2,y2) as long as you are consistent.

Plugging in for (-1,5) and (1,-1), you will get:

m=(-1-5)/(1-(-1))=-6/2=-3

Next, we need to find the y-intercept. For this problem, you can determine it is 2 by looking at the graph of the line. We now have both components to create the slope-intercept form.

m=-3, b=2

y=-3x+2

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3 years ago
If f(x)=4x3+Ax2+5x−5 and f(2)=3​, what is the value of​ A?
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