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m_a_m_a [10]
3 years ago
12

Which of these strategies would eliminate a variable in the system of equations?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
4 0

Answer: Multiply the top equation by , multiply 3 the bottom equation by 2, then add the equations.

Step-by-step explanation:

6x - 15y = 39

+ (- 6x + 4y) + (26)

- 11y = 65

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According to a recent​ study, 9.3​% of high school dropouts are​ 16- to​ 17-year-olds. In​ addition, 6.4​% of high school dropou
Finger [1]

Answer:

0.688 or 68.8%

Step-by-step explanation:

Percentage of high school dropouts = P(D) = 9.3% = 0.093

Percentage of high school dropouts who are white = P(D \cap W) = 6.4% = 0.064

We need to find the probability that a randomly selected dropout is​ white, given that he or she is 16 to 17 years​ old. This is conditional probability which can be expressed as: P(W | D)

Using the formula of conditional probability, we ca write:

P(W | D)=\frac{P(W \cap D)}{P(D)}

Using the values, we get:

P( W | D) = \frac{0.064}{0.093} = 0.688

Therefore, the probability that a randomly selected dropout is​ white, given that he or she is 16 to 17 years​ old is 0.688 or 68.8%

4 0
3 years ago
PLZ HELP
Mkey [24]

Answer

A

Step-by-step explanation:

It should taker her 4 hrs to get there because 53 times 4 equals 212.

4 0
2 years ago
Please help me with math!
Lana71 [14]
B should be correct
Hope that helped
4 0
3 years ago
Find the measure of each interior angle and each exterior angle of the indicated regular polygon. 25-gon
Katena32 [7]

Each exterior angle of a regular 25-gon = 360/25 = 14.4 deg. and each interior angle= 165.6 deg.

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3 years ago
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What is the value of the expression 6+18 % 3x4
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You tell me buddy :)
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