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lara [203]
2 years ago
9

Which equations are true for x = -2 and x = 2? Select two options

Mathematics
1 answer:
sweet [91]2 years ago
4 0

Answer:

x2-4 = 0

x2= 4

x = 2 or x = (-2)

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Ipatiy [6.2K]

Answer:

Okie when you do these you got to give all information

Step-by-step explanation: because people can help you instead of looking at a picture wonderin what they are they are supposed to do

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3 years ago
50 1/2 divided by 1/4 = 202<br> How are the numbers related?
Stels [109]

Answer:

see the explanation

Step-by-step explanation:

Let

x=50\frac{1}{2}=\frac{50*2+1}{2}=\frac{101}{2}

y=\frac{1}{4}

Find the ratio x/y

\frac{x}{y}=\frac{(101/2)}{(1/4)} =\frac{101*4}{2*1}=202

therefore

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harina [27]

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Step-by-step explanation:

8 0
3 years ago
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(Will mark brainest)If it rains tomorrow the probability is 0.6 that James will practice piano. if it doesn't rain tomorrow ther
sergiy2304 [10]

Answer:

0.64

Step-by-step explanation:

P(J / R) = P (J and R) / P(R) 

0.8 = P (J and R) / 0.6 

P (J and R) = 0.6 * 0.8 = 0.48 [Probability John practicing and it is raining] 

P(J / NR) = P (J and NR) / P(NR) 

0.4 = P (J and NR) / (1 - 0.6) = P (J and NR) / 0.4 

P (J and NR) = 0.4 * 0.4 = 0.16 [Probability John practicing and it is not raining] 

Hence; 

Probability of John practicing regardless of weather condition is 

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HOPE THIS HELPED!!!

7 0
3 years ago
*
Phoenix [80]

Answer:

Step-by-step explanation:

Are the sides consistent with the Pythagorean Theorem?

6² + 8² ≟ 9²

36 + 64 ≠ 81, so it is not a right triangle.

6 0
3 years ago
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