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GREYUIT [131]
3 years ago
10

For the given equation, y = 4(x) - 1, what is the value of y for x = 2?

Mathematics
2 answers:
AysviL [449]3 years ago
8 0

Answer:

D. 7

Step-by-step explanation:

y= 4(x)-1

<u>First: Let us take away the y =</u>

4(x)-1

As in the question, it says that the value given for x is:

2

So we plug that in

4(2)-1

As in PEMDAS, multiplication becomes before subtraction

We now have

8-1

4*2=8

8-1=7

Therefore,

The answer is...

D. 7

Alik [6]3 years ago
3 0

Answer:

The answer is D (7).

Step-by-step explanation:

If you plug in 2 where x is, you get 4*2 -1, which is 8-1, which equals to 7.

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So the question is asking what is 6.2% of 1000? Then rounding our decimals? 
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3 years ago
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Write p(x) = 21 + 24x + 6x2 in vertex form.
Helen [10]
To do this, complete the square:

p(x) = 21 + 24x + 6x2  =>  <span>p(x) = 6x2 + 24x + 21

Rewrite the first 2 terms as


                                                   6(x^2 + 4x)

then you have </span><span>p(x) =  6(x2 + 4x                           ) + 21
                            
Now complete the square of x^2 + 4x:

                         p(x) = 6(x^2 + 4x + 4 - 4)            + 21
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8 0
3 years ago
The equation of line l is -3y + 4x = 9 . Write the equation of a line that is parallel to line l and passes through the point (-
Elan Coil [88]

Answer: y = 3x/4 + 22

Step-by-step explanation:

The equation of line l is -3y + 4x = 9

-3y + 4x = 9

3y = 4x -9

y = (4x -9)/3= 4x/3 - 3

From the slope-intercept equation,

y = mx +c

Where m= slope

Comparing both equations, we have

m = 4/3

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So, slope if new line is 3/4.

Points =(-12, 6)

From y = mx + c

x = -12,y = 6

6= 4/3 × -12 + c

6 = -16 + c

c = 6 + 16 = 22

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The equation of the line that is parallel to line l and passes through the point (-12,6) ,

y = 3x/4 + 22

7 0
3 years ago
Find the geometric mean of 14 and 20.
Tom [10]

Answer:

16.73 to nearest hundredth.

Step-by-step explanation:

The geometric mean  of x and y is √xy.

So out geometric mean is √(14*20)

= √280

= 16.7332

7 0
3 years ago
What is the answer to <br> (-3b^4)^2/-12b^-9
ladessa [460]

Answer:

(−3b4)2

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b9

=

−3

4b

Step-by-step explanation:

4 0
3 years ago
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