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GrogVix [38]
2 years ago
9

HELP!!!! I cannot find any good answers for this question and I keep getting it wrong! The answer options are:

Mathematics
1 answer:
kondaur [170]2 years ago
8 0

The missing reason is (d) Add the fractions together on the right side of the equation

<h3>How to complete the missing reason?</h3>

From the statements, we have the following equation:

x^2 + b/a x + (b/2a)^2 = -4ac/4a^2 + b^2/4a^2

Next, we add the fractions on the right-hand side of the equation.

This gives

x^2 + b/a x + (b/2a)^2 = [-4ac + b^2]/4a^2

The above means that the last statement is gotten by adding the fractions on the right-hand side of the equation.

Hence, the missing reason is (d) Add the fractions together on the right side of the equation

Read more about quadratic equations at:

brainly.com/question/1214333

#SPJ1

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Find the length of the legs of a right triangle if the legs are the same length and
xenn [34]

Answer:

I think you have to multiple them all around the triangle

6 0
3 years ago
Plz help me plz I need help I will mark brainlest for the answer​
Alexxx [7]

Answer:

2/3

Step-by-step explanation:

Simplifying the Complex Fraction

Convert Mixed Numbers to Fractions

56114=5654

Method 1 : LCD Multiplication

The LCD for 6 and 4 is 12

Multiply top and bottom by the LCD

12×5612×54=1015

convert to mixed numbers and

reduce fractions where possible

=1015=23

Method 2 : Fraction Division

Divide the top fraction by the bottom

(multiply top by reciprocal of bottom)

56÷54

=56×45

=2030

convert to mixed numbers and

reduce fractions where possible

=2030=23

6 0
3 years ago
Please help I’ll mark you as brainliest if correct!
Darya [45]

Answer:

A is 4

Step-by-step explanation:

A _ 8 _ _ _ _ _ _ _ _ 8 _ 6

A _ 8 _ _ _ _ _ _ _ _ 8 4 6

A _ 8 _ _ _ _ _ _ _ 6 8 4 6

A _ 8 _ _ _ _ _ _ 4 6 8 4 6

A _ 8 _ _ _ _ _ 8 4 6 8 4 6

A _ 8 _ _ _ _ 6 8 4 6 8 4 6

A _ 8 _ _ _ 4 6 8 4 6 8 4 6

A _ 8 _ _ 8 4 6 8 4 6 8 4 6

A _ 8 _ 6 8 4 6 8 4 6 8 4 6

A _ 8 4 6 8 4 6 8 4 6 8 4 6

A 6 8 4 6 8 4 6 8 4 6 8 4 6

4 6 8 4 6 8 4 6 8 4 6 8 4 6

A is 4

Hope this helps!

4 0
3 years ago
Read 2 more answers
What is the area of this triangle?<br><br> A=bh2<br><br> 17 m²<br> 30 m²<br> 60 m²<br> 120 m²
e-lub [12.9K]
A = 1/2 x bh
A = 1/2 x 5 x 12
A = 6 x 5
A = 30m

6 0
3 years ago
Read 2 more answers
If r=20.5 and s=34.2 find S Round to the nearest tenth
astraxan [27]

Answer: option d

Step-by-step explanation:

Remember the identity:

tan\alpha=\frac{opposite}{adjacent}

The inverse of the tangent function is arctangent. You need to use this to calculate the angle "S":

 \alpha =arctan(\frac{opposite}{adjacent})

Knowing that: you need to find the measure of the angle "S" , r=20.5 (which is the adjacent side) and s=34.2 (which is the opposite side), you can sustitute values into \alpha =arctan(\frac{opposite}{adjacent})

Then, you get that the measure of "S" rounded to the nearest tenth is:

S=arctan(\frac{34.2}{20.5})\\\\S=59.1\°

7 0
4 years ago
Read 2 more answers
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