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EleoNora [17]
4 years ago
17

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

Mathematics
2 answers:
maxonik [38]4 years ago
9 0

Answer:

it's B boys

Step-by-step explanation:

Kaylis [27]4 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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6 quarts for $7.49 <br> ______dollars per quart.<br><br> ______quarts per dollar.
nirvana33 [79]
<h2>PROBLEM SOLVING</h2>

__________________________

Let N be the answer to the problem

<h3>Dollars per quart: </h3>

N = 6 ÷ $ 7.49

N = 0.801068091

≈ $ 0.8

↬ $ 0.8 per quart

<h3>Quart per dollar:</h3>

N = $ 9.49 ÷ 6

N = 1.58166667

≈ 1.6

↬ 1.6 quart per dollar

3 0
2 years ago
Find the value of x.
Lostsunrise [7]

Answer:https://youtu.be/MaE19-BdilM

PLS STICK YOUR BIG.........

Step-by-step explanation:

6 0
3 years ago
What quantity of a 30% solution do you need to make 150 mL of a 20% solution?
Bumek [7]

Answer:

Volume required = 100mL

Step-by-step explanation:

Let the volume of 30% solution required be = V mL

Amount of solute in V mL of solution = 30% of V = 0.3V...............(i)

This amount is also present in 150 mL of 20% solution

For 150 mL of 20% solution we have amount of solute = 150 mL X 20%

                                                                                          = 30..............(ii)

Thus equating i and ii we get

0.3V = 30

Thus V =100 mL

7 0
3 years ago
Which of the following does not have a ratio of 2:3:4?
Ksju [112]
2 does not have a ratio
5 0
4 years ago
Marcus bought r movie posters for $4 each write a algebraic expression for the total amount Marcus spent
dlinn [17]
4r

That is the expression. Every poster costs $4, so multiply that by however many posters he buys (r).
4 0
3 years ago
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