3 years ago

What are the solution(s) to the quadratic equation 9x2 = 4?

Mathematics

2 answers:

maxonik [38]3 years ago

9 0

Answer:

it's B boys

Step-by-step explanation:

Kaylis [27]3 years ago

6 0

Answer:

Option B.

Step-by-step explanation:

The given quadratic equation is

$9x^2=4$

We need to find the solution of given quadratic equation.

Divide both sides by 9.

$\frac{9x^2}{9}=\frac{4}{9}$

$x^2=\frac{4}{9}$

Taking square root on both sides.

$x=\pm\sqrt{\frac{4}{9}}$

$x=\pm\frac{2}{3}$

The solution of given equation are $x=\frac{2}{3}$ and $x=-\frac{2}{3}$ .

Therefore, the correct option is B.

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yarga [219]

B. 2/5 is equal to 6/15

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3 years ago

One month, ruby worked 8 hours more than isaac, and svetlana worked 4 times as many hours as ruby. together they worked 136 hour

Travka [436]

Let Issac work for x hours, and Ruby works 8 hours more than of Issac, so Ruby work for $(x+8)$ hours.

And Svetlana worked four times of Ruby, therefore Svetlana worked for

$4(x+8) hours$

And total hours they worked together is 136. That is

$x+x+8 + 4(x+8) = 136
\\
x+x+8 +4x+32=136
\\
6x+40 =136
\\
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\\
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So Issac worked for 16 hours, Ruby worked for 24 hours and Svetlana worked for 24 times 4 equals 96 hours .

6 0

4 years ago

Please help me find the answer thank you

mario62 [17]

Answer:

d = 1

Step-by-step explanation:

1.5 - 0.5 = 1

If you find my answer helpful, please consider marking it Brainliest

And if you still have any questions about the way I solved it, don't hesitate to ask me in the comments below ;)

5 0

4 years ago

How could I write the fractions 4/6 7/12 and 5/10 from least to greatest

yulyashka [42]

4/6 5/10 7/12. Hope this helped! :)

5 0

3 years ago

What is the answer 4+q when q=11

Kazeer [188]

15 because 4 + 11 equals 15

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4 years ago

Read 2 more answers