3 years ago

True or False

Mathematics

1 answer:

DanielleElmas [232]3 years ago

6 0

Answer: False actually

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Find the values of a and b such that x^2 + 3x + 4 = (x + a)^2+ b

sesenic [268]

Answer:

$x {}^{2} + 3x + 4 = (x + a) {}^{2} + b \\ x {}^{2} + 3x + 4 = x {}^{2} + 2ax + a {}^{2} + b \\ = x {}^{2} + a {}^{2} + 2ax + b \\ 2a = 3 \\ b = 4 \\ a = \frac{3}{2} \\ b = 4$

8 0

3 years ago

What is the solution to this equation 1/2n^2+18=0

ololo11 [35]

Answer:

n = ±6 .

Step-by-step explanation:

A quadratic equation is given to us and we need to find out the solution of the given equation . The given equation is ,

$\rm\implies -\dfrac{1}{2}n^2+18=0$

Subtracting 18 both sides ,

$\rm\implies -\dfrac{1}{2}n^2 = -18$

Multiplying both sides by -2 ,

$\rm\implies -2\times\dfrac{1}{2}n^2 = -2\times -18$

On simplyfing , we get ,

$\rm\implies n^2= 36$

Putting squareroot both sides ,

$\rm\implies n= \sqrt{36}$

This equals to ,

$\rm\implies \boxed{\quad\blue{\rm n =\pm 6 }}$

Hence the value of n is ±6 .

6 0

3 years ago

Will give Brainlest and I please be accurate

joja [24]

Answer:

55.04 m 2

Step-by-step explanation:

I am 100% sure this is right.

please mark me as brainlest

5 0

3 years ago

Read 2 more answers

1a) What percentage of Priya’s distance did Tyler walk?

umka2103 [35]

I’m not sure I only answer these for the points :)

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3 years ago

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A) scrieti toate numerele naturale impare mai mici decat 17

AURORKA [14]

1, 3, 5, 7, 8, 11, 13, 15 is the answer.

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3 years ago