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muminat
3 years ago
13

Hello. Pls help me with this math question. Thxs! :D

Mathematics
1 answer:
Lostsunrise [7]3 years ago
7 0

Answer:

i am not aware of the answer sorry

Step-by-step explanation:

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Bill and jenna are solving the quadratic equation x 2 - x = 12. bill solved this way jenna solved this way x 2 - x = 12 x(x - 1)
goldfiish [28.3K]

Jenna is correct and Billy is wrong because the equation was not converted to a quadratic form.

<h3>Form of quadratic equation</h3>

The form of quadratic equations is given as

ax2 + bx + c = 0

So, for the quadratic equation, we have

x² - x = 12

Let's make it into quadratic form

x² - x - 12 = 0

Bill solved it as

x(x - 1) = 12

This is wrong, because quadratic equations must be written in the form before solving for the variables

Jenna solved it as

x 2 - x - 12 = 0

Jenna is correct because she converted the equation to a quadratic form before solving for the variables.

Thus, Jenna is correct and Billy is wrong because the equation was not converted to a quadratic form.

Learn more about quadratic equations here:

brainly.com/question/7784687

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6 0
2 years ago
For a standard normal distribution, if P (z less-than-or-equal-to a) = 0.7116, what is the value of P (z greater-than-or-equal-t
Irina-Kira [14]

Answer:equal

Step-by-step explanation:

The probability that a random variable is greater than or equal to z standard deviations from the mean in a standard normal distribution he P(z≤a)+P(z>a)=1, so P(z>a)=1-P(z≤a)=1-.7116=.2884

6 0
2 years ago
How to do this? geometry
Naddik [55]

Answer:

It's 80

Step-by-step explanation:

Because I solved it

4 0
3 years ago
Simplify the following equation (70 points :D)
olga_2 [115]
It is D. I looked it up on a calculator.
5 0
3 years ago
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A restaurant dinig room measures 100 ft by 150 ft.the height of the room is 9 ft. if the occupancy guidelines recommend at least
Iteru [2.4K]

900 people

100 x 150 x 9 = 135,000

135,000 / 150 = 900

4 0
3 years ago
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