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Andrei [34K]
3 years ago
5

Determine the number of solutions for each quadratic.

Mathematics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

1. Technically 2, but might be 0 in your teacher's opinion.

2. 1

Step-by-step explanation:

Solving problem one.

So I don't know if you have learned about imaginary numbers, but if you have, then you would end up with two answers if you plugged in the quadratic formula.

If you haven't learned about imaginary numbers, then I would say your best option would be to write 'No real solution' since there are technically 2 solutions.

Solving problem two.

Turns out this quadratic has a special property and it's actually a square of one equation. You can find out by just factoring the equation.

It's (3x-2)^2.  Since it's squared, that means that only 2/3 would work as x in this equation.

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Suppose that you have a bag containing 3 green marbles, 8 blue marbles and 13 red marbles. Suppose you reach into the
Sidana [21]

The probability of randomly drawing either a red marble or a green marble is 80%

The probability of drawing a green marble is the same as the probability of drawing either a red or a blue marble.

3 out of 4

<em>Have a great night!</em>

3 0
3 years ago
Carolina y su mamá compraron tres tortas de sabores diferentes para la reunión con sus amigos del colegio. De la torta de naranj
Karo-lina-s [1.5K]

Answer: 2 1/5 partes  de torta

Step-by-step explanation:

Para contestar esta pregunta debemos sumar cada parte de torta:

0.7+9/12+6/8 =

Convertimos las fracciones en decimales, para tener todos los valores expresados de la misma forma. Dividiendo:

9/12=0.75

6/8=0.75

Sumamos :

0.7+0.75+0.75 = 2.2 partes = 2 1/5 partes

En conclusión, Carolina y sus amigos comieron 2 1/5 partes de torta.

5 0
3 years ago
Identify the range of the fuction shown in the graph
Viefleur [7K]

The answer would be B. -2 < x < 2 because if you look at the graph, the range would be left and right. So, the farthest to the left would be -2 and the farthest to the right would be 2.

It wouldn't be all real numbers.

<em>Hope this helps! - from peachimin</em>

7 0
2 years ago
URGENTLY NEED HELP!!!
AysviL [449]
There is a designated formula for this circle drawing. This is a secant-secant scenario, and in this case, the formula is:

CD(CD+X)=CB(CB+AB)

Plug the values in.
AB=42
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4(4+x)=18(18+42)
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16+4x=1080
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7 0
3 years ago
Which situation is best represented by the following equation?
ololo11 [35]

Answer:

The first one, 14 weeks of dance classes.

Step-by-step explanation:

She paid $753.95 as a total for all of the classes, not just one week. She paid her registration free, which you subtract from 753.95 to get 630.00. She pays 45 per week, so you divide 630 by 45 to get the amount of weeks she attended dance classes, or 14 weeks.

8 0
3 years ago
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