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vesna_86 [32]
3 years ago
10

A science class has 3 girls and 3 boys in the seventh grade and 3 girls and 5 boys in the eighth grade. The teacher randomly sel

ects a seventh grader and an
eighth grader from the class for a competition. What is the probability that the students she selects are both girls?
Write your answer as a fraction in simplest form.
Mathematics
1 answer:
Leno4ka [110]3 years ago
3 0

Answer:

\frac{1}{2} %

Step-by-step explanation:

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Answer:

Step-by-step explanation:

Measures of angles are,

m∠A = (2x)°

m∠B = (x + 14)°

m∠C = (x - 38)°

By triangle sum theorem,

m∠A + m∠B + m∠C = 180°

2x + (x + 14) + (x - 38) = 180

(2x + x + x) + (14 - 38) = 180

4x - 24 = 180

4x = 204

x = 51

m∠A = 2(51)° = 102°

m∠B = (51 + 14)° = 65°

m∠C = (51 - 38)° = 13°

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Answer:

the sum is 25 not 24?

Step-by-step explanation:

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Step-by-step explanation:

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What would 5x⁵-5x be​
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