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3 years ago

Will give the big brain award for answers

Mathematics

2 answers:

antoniya [11.8K]3 years ago

5 0

Do not understand what

lukranit [14]3 years ago

4 0

Answer:I don’t understand the question

Step-by-step explanation:

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When completing the square, what value must you add to both sides of the equation to create a perfect square trinomial?

Sergeu [11.5K]

Notice that half of the coefficient of x is (1/2)(-4), or -2.

Then x^2 - 4x becomes
x^2 - 4x + 4 - 4 = 0, or (x -2)^2 = 4. Then x = -2 plus or minus 2, and the two roots are 0 and -4.

Thus, add 4 to both sides to obtain x^2 - 4x + 4 = 4.

6 0

3 years ago

Please help me with this please

eimsori [14]

Part (a)

Using the quotient rule, the blank is 11/5.

Part (b)

Using the product rule, the blank is 9.

Part (c)

Using the power rule, the blank is 5.

6 0

1 year ago

The equation of line fis - 3y + 4x = 9 write the equation of a line that is parallel to line and passes through the point (- 12,

ollegr [7]

Answer:

$y = - 4x - 42$

Step-by-step explanation:

The equation of the line that is parallel to the line we are trying to find is

$- 3y + 4x = 9 \\ or \\ - 3y = - 4x + 9 \:(standard form) \\ \\therefore \: the \: slope \: of \: the \: line \\ \: is \: - 4$

We can recall that when two lines are parallel it means that they have the same slope. Therefore the slope of the line we are trying to find is also -4. We now know that:

$y = 6 \: \: \: x = - 12 \: \: \: slope = - 4$

Therefore the equation of the line is:

$y = mx + c \\ 6= ( - 4)( - 12) + c \\ 6 = 48 + c \\ 6 - 48 = c \\ - 42 = c$

$y = mx + c \\ y = - 4x - 42$

3 0

2 years ago

Angle BAC measures 56. What is the measure of angle BDC?

goldfiish [28.3K]

Answer: Like the angles BAC (56°) and BDC has the same arc BC in the circumference, these angles must be congruent, then angle BDC must be equal to 56°.

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3 years ago

Read 2 more answers

Please help. I'm not the best at math.

Elena L [17]

5:4 Should be correct! I took the test Btw Hope this helps!! :D

5 0

3 years ago

Read 2 more answers