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beks73 [17]
3 years ago
6

Find the values for a and b that would make the equality true. 4(ax^2 -5x+3)=8x^2 +bx+12

Mathematics
2 answers:
tankabanditka [31]3 years ago
5 0

Answer:

a 2 and b -20

Step-by-step explanation:

yawa3891 [41]3 years ago
4 0

Answer:

a = 2 and b = -20

Step-by-step explanation:

4(ax^2 -5x+3)=8x^2 +bx+12 should be multiplied out.  Next, we equate the coefficients of the several powers of x:

4ax² - 20x + 12 = 8x² + bx + 12

Then 4a = 8, so a = 2

and   -20 = b

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Answer:

41.1764...%

Step-by-step explanation:

60% on 50 questions is 30/50 correct since 30÷50=.6=60%

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There are 51 possibilities of scores,1-50/50 or 0/50

21/51=0.411764...

3 0
4 years ago
A square fits exactly inside a circle with each of its vertices
tiny-mole [99]

Answer:

5.97

Step-by-step explanation:

If the radius of the circle = r then

pi r^2 = 56

r^2 = 56/pi

r = sqrt(56/pi)

The radius of the circle is equal to half of a diagonal of the square. That is,

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= x (sqrt 2)/2

= x/(sqrt 2)

So x = r sqrt 2

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Step-by-step explanation:

3 0
3 years ago
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What is the mean absolute deviation for the data set
motikmotik

Answer:

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Step-by-step explanation:

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To see if the slopes are the same, write an equation setting the two fractions equal to each other. Is this equation true? Why o
RoseWind [281]

Answer:

Slope(EA)=Slope(AC)=\dfrac{2}{3}....Equation is True

Slopes are EQUAL for

  1. SAME Line

Hence, E-A-C is the same Line.

Step-by-step explanation:

Given:

The three points for the given line are

point E( x₁ , y₁) ≡ ( -6 ,-4)

point A( x₂ , y₂) ≡ (0 , 0) .....Origin

point C(x₃ , y₃ ) ≡ (3 ,  2)

To Find:

Slope EA = ?

Slope AC = ?

Solution:

For Two point Slope is given as

Slope=\dfrac{y_{2}-y_{1} }{x_{2}-x_{1} }

Substituting the values we get

Slope(EA)=\dfrac{0--4}{0--6}=\dfrac{4}{6}=\dfrac{2}{3}

Similarly For AC we have,

Slope(AC)=\dfrac{2-0}{3-0}=\dfrac{2}{3}

Therefore,

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Hence, E-A-C is the same Line.

7 0
4 years ago
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