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Tasya [4]
3 years ago
14

Identify whether each of the following expression is a quadratic expression in one variable. Give reason for your anwser

Mathematics
1 answer:
ladessa [460]3 years ago
6 0
I believe anything that is squared (^2) is a quadratic. so a, b, e and f are quadratics. you could also check on desmos to see if they are parabolas (u shape).
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Can someone pls answer 150 divided by 30
Svetlanka [38]

Answer:

5

Step-by-step explanation:

150/30 = 15/3 = 5

Good luck!

4 0
3 years ago
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Plz give 8th and 9th question​
Neko [114]

Answer:

for number 8 it is the multiplictivie inverse because you just do 8/9 x 2 so it would be correct and for number 9 it is not the multiplicative inverse because it is not reversing it also can i pls get brainliest

Step-by-step explanation:

3 0
3 years ago
What is 0.129 divided by 0.3?
Alecsey [184]
You can multiply 0.129 and 0.3 by 10 each to make it a little easier to see what to do. 0.129 / 0.3 = 1.29 / 3 Simple long division will take you to 0.43
8 0
3 years ago
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Create an equation with the indicated number of solutions.
GenaCL600 [577]
An equation that doesn't have a solution would have to end up as something impossible when you solve it all out, like
5=3.

When you simplify your equation out, you get

3x-4=3x+?

Subtract 3x from both sides.

-4=?

From this, you can tell that you need to out something in the ? that will make the equation false, or something that doesn't equal -4.

You could put anything in the ? as long as it is not -4.

Hope this helps!
4 0
3 years ago
In a paper bag, 7 of the 15 marbles are yellow. In a cloth bag, 2 of the 15 marbles are yellow. If Tim randomly draws one marble
ddd [48]

Answer :

\frac{7}{15}×\frac{2}{15} = \frac{14}{225}

Step-by-step explanation:

P(Event_{1}) = choosing yellow marble from paper bag = \frac{favourable outcomes}{possible outcomes} = \frac{7}{15}

P(Event_{2}) = choosing yellow marble from cloth bag = \frac{favourable outcomes}{possible outcomes} = \frac{2}{15}

∵ Resultant outcome is dependent upon both the events and both events are independent from each other, so we can apply intersection rule [ P(A∩B)=P(A)×P(B) ] here

∴ Probability ( Both marbles are yellow) = P(Event_{1}) × P(Event_{2}) = \frac{7}{15} × \frac{2}{15}

3 0
3 years ago
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