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Anna007 [38]
2 years ago
12

If trapezoid

Mathematics
1 answer:
agasfer [191]2 years ago
7 0

Answer:

e (2,-1)

f (4,-1)

g (5,-4)

h (1,-4)

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PLEASE HELP!! Compare & Contrast how Completing the Square is used to Convert a quadratic function to vertex form with how i
Likurg_2 [28]

Answer:

Step-by-step explanation:

Given a general quadratic formula given as ax²bx+c = 0

To generate the general formula to solve the quadratic equation, we can use the completing the square method as shown;

Step 1:

Bringing c to the other side

ax²+bx = -c

Dividing through by coefficient of x² which is 'a' will give:

x²+(b/a)x = -c/a

- Completing the square at the left hand side of the equation by adding the square of half the coefficient x i.e (b/2a)² and adding it to both sides of the equation we have:

x²+(b/a)x+(b/2a)² = -c/a+(b/2a)²

(x+b/2a)² = -c/a+(b/2a)²

(x+b/2a)² = -c/a + b²/4a²

- Taking the square root of both sides

√(x+b/2a)² = ±√-c/a + b²/√4a²

x+b/2a = ±√(-4ac+b²)/√4a²

x+b/2a =±√b²-4ac/2a

- Taking b/2a to the other side

x = -b/2a±√√b²-4ac/2a

Taking the LCM:

x = {-b±√b²-4ac}/2a

This gives the vertex form with how it is used to Solve a quadratic equation.

7 0
3 years ago
Find the solution set of the inequality 7x−10≥16.
xenn [34]
×≥ 26/7 is the answer.

hope it helps!
5 0
3 years ago
Find the value of x.<br> 106°<br> 43°<br> X°<br> X =
Oduvanchick [21]

Answer:

Maybe the figure of this question is a triangle.

If so...the answer comes something like this....

Hope it helps! :)

8 0
3 years ago
Find the percent increase in volume when 1 foot is added to each dimension of the prism. Round your answer to the nearest tenth
Olin [163]

Answer:

The percentage increase in volume of the prism is impossible to find. This is because the current dimension or the diagram from which the dimension of the prism could be determined is not given.

However I will explain the methods to follow in finding this percentage increase, assuming that the current dimension of the prism is given.

Step-by-step explanation:

Assuming the volume the of prism is x ft³. After adding 1 ft to each dimension, the volume becomes y ft³.

The percentage increase = (y/x) × 100

= z%

That is,

Percentage increase = [(New volume) ÷ (Old volume)] × 100

The resulting value, z% is the percentage increase.

4 0
3 years ago
Solve for the equation x^2-10+25=35
lukranit [14]
X^2-10+25=35
X^2+15=35
X^2=35-15
X^2=20
X=+or- 2squareroot 5
5 0
3 years ago
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