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3 years ago

Which of the following is the correct slope-intercept form of the equation -4x + 2y = 14?

Mathematics

2 answers:

slava [35]3 years ago

8 0

The first answer would be correct!
Hope this helps.

hodyreva [135]3 years ago

7 0

The answer would be: y = 2x + 7 .

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8x to the 2nd power +2x-3=0

Papessa [141]

Answer:

x= 1/2 and -3/4

Step-by-step explanation:

By using factorization, we can solve this equation.

8x^2+2x-3=0

Factor:

(2x-1)(4x+3)=0

Solve:

2x-1=0

2x=1

x=1/2

Solve again:

4x+3=0

4x=-3

x=-3/4

Hope this helped

5 0

3 years ago

Write an expression for cotA

mestny [16]

Answer:

$cotA=\frac{2x}{5}$

Step-by-step explanation:

7 0

2 years ago

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Use the figure to find the radius.

BlackZzzverrR [31]

The answer is 4 (four)

3 0

3 years ago

A line goes through the point (6,-2) and has a slope of -3. What is the value of a if the point (a,7) lies on the line?

Vikki [24]

Answer:

Step-by-step explanation:

The slope of a line given two points can be found by using the formula

$m = \frac{ y_2 - y _ 1}{x_ 2 - x_ 1} \\$

From the question the slope is - 3

To find the value of a we have

$- 3 = \frac{7 - - 2}{a - 6} \\ - 3 = \frac{7 + 2}{a - 6} \\ - 3(a - 6) = 9 \\ - 3a + 18 = 9 \\ - 3a = 9 - 18 \\ - 3a = - 9$

Divide both sides by - 3

$\frac{ - 3a}{ - 3} = \frac{ - 9}{ - 3} \\$

We have the final answer as

Hope this helps you

3 0

3 years ago

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The diameter of a circle is 9 cm. What is the area of the circle? Use 3.14 for Pi

Tema [17]

<span>the area of the circle :

r = 9\2

so :

S= r</span>² * Pi = (9\2)² * 3.14 = 63.58 cm²

7 0

3 years ago

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