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3 years ago

Which angles are vertical angles ? Anyone knows I forgot , I’ll give you best brainliest

Mathematics

1 answer:

pav-90 [236]3 years ago

3 0

Step-by-step explanation:

each of the pairs of opposite angles made by two intersecting lines.

pqt and utq don't take my word tho I really tried tho!

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What value for C will make the expression a perfect square trinomial x2-7x+c

Tom [10]

Answer:

The value of c is 12.25

Step-by-step explanation:

we know that

A perfect square trinomial is of the form

$(x-a)^{2}=x^{2}-2ax+a^{2}$

In this problem we have

$x^{2}-7x+c$

equate the equations

$x^{2}-7x+c=x^{2}-2ax+a^{2}$

we have

the following equations

$-7x=-2ax$ -----> equation A

and

$c=a^{2}$ -----> equation B

Solve the equation A

$-7x=-2ax$

$7=2a$

$a=3.5$

Solve the equation B

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

$(x-3.5)^{2}=x^{2}-7x+12.25$

The value of c is 12.25

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3 years ago

Read 2 more answers

-9 - 3x4 pls show work

alina1380 [7]

Answer:

Step-by-step explanation:

3x4 is 12 and then you subtract them from each 9ther

8 0

3 years ago

Read 2 more answers

Solve each system by elimination. 10x-6y=-8 -10x+6y=8

Step2247 [10]

Answer:

Infinitely Many Solutions

Step-by-step explanation:

$10x-6y=-8\\-10x+6y=8\\\0 = 0\\$

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2 years ago

Simplify. y^-3 pls help me i need this very bad

prisoha [69]

My understanding is that when the power is a negative number, move it to the denominator and change it to positive.
In this case, the base is y, the power is -3
y^(-3)=1/(y^3)

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3 years ago

How to do rates and ratios

Rom4ik [11]

Rates and rarios are different and yet still different

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4 years ago