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KatRina [158]
3 years ago
15

Someone plz help me giving brainliest

Mathematics
2 answers:
ale4655 [162]3 years ago
8 0

Answer:

Step-by-step explanation:

dangina [55]3 years ago
7 0
Answer is 3,5, X, 7, 6
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Leya [2.2K]

Answer:

Step-by-step explanation:

do Y2-y1 and x2-x1 and then do y-10=__(+6)

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3 years ago
Jenna solved the equation 2x^2 +5x - 42 = 0 . She stated that the solutions to the equation were 7/2 and -6. Do you agree with J
mr_godi [17]

Answer:

Yes. Her solution is correct.

Step-by-step explanation:

Let's check if Jenna solution is correct:

To solve the equation 2x^2 +5x - 42 = 0, we can use Bhaskara's formula:

D = b^2 - 4ac = 25 + 4*2*42 = 25+336 = 361

sqrt(D) = 19

x1 = (-5 + 19)/4 = 14/4 = 7/2

x2 = (-5 - 19)/4 = -24/4 = -6

We must agree with Jenna's solution, because the values she found as solution are correct: with we replace these values of x in the equation, we will find 0 = 0, which is correct and proves that these values are the solution of the equation.

7 0
3 years ago
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Find all numbers whose absolute value is 3 . If there is more than one, separate them with commas. If there are no such numbers,
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Answer:

3, and -3

Step-by-step explanation:

Because absolute value is the distance away from zero, |3| and |-3| would both be 3 units away from 0. Be sure to have the negative on the inside if you're trying to make something positive, otherwise -|3| means that the absolute value of 3 would then become negative since the negative sign isn't a part of the absolute. hope this helps!

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3 years ago
What is the probability of rolling a 4, 5, or 6 on a die?
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1/6 chance

Step-by-step explanation:

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Amy is doing a science experiment on how a certain bacterium reacts to an antibiotic. She has 3 dishes of identical bacterium sa
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