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taurus [48]
2 years ago
8

There are 7 students in a class: 5 boys and 2 girls.

Mathematics
1 answer:
iren [92.7K]2 years ago
3 0
3/7 is the answer for this question
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there are 320 seats in the airplane. passengers are taking 3/5 of the seats. There are 47 seats being used by flight attendants.
iogann1982 [59]

Answer: 124

Step-by-step explanation:

Multiply 320 by 3/5 (.6) and you will get 192. Then you subtract 320 by 47 and get 316. You subtract 192 from 316 and get 124.

8 0
3 years ago
Which of the following points is a solution to the system of inequalities below?
ANEK [815]
I don’t know know know know know a a a a a. A a a a a a a A c c c c c c c. C
3 0
3 years ago
BRAINLIEST<br>Find the value of x in each of the following exercises:
ohaa [14]

The value of x is 120°

Explanation:

It is given that ABC is a straight line.

Also, ∠CBE = 20° and ∠CAF = 40°

We need to determine the value of ∠DBE

Let ∠DBE = x

Since, ∠CAF and ∠ABD are alternate interior angles.

By the alternate interior angles theorem, "if two parallel lines are cut by a transversal, then the pairs of alternate interior angles are equal".

Thus, ∠CAF and ∠ABD are equal.

Hence, ∠CAF = ∠ABD = 40°

Since, we know that, the angles in a straight line add up to 180°, we have,

∠ABD + ∠DBE + ∠CBE = 180°

Substituting the values, we get,

40° + x + 20° = 180°

Adding, we have,

60° + x = 180°

Subtracting both sides by 60, we have,

x = 120°

Thus, the value of x is 120°

5 0
2 years ago
Which quadratic function is represented by the graph?
vagabundo [1.1K]

x =(2-√24)/-2=1+√ 6 = 1.449  

x =(2+√24)/-2=1-√ 6 = -3.449

4 0
3 years ago
Read 2 more answers
A tetrahedron has 4 sides. If the numbers 1, 2, 3, and 4 are on the faces of the tetrahedron, what
Savatey [412]

Probability of randomly rolling a 3 is 1/4

Step-by-step explanation:

Step 1:

It is given that a tetrahedron has 4 sides with 1,2,3 and 4 and is randomly rolled. We need to compute the probability of randomly rolling a 3.

Step 2:

Probability of an event = (Favorable outcomes) / (Total outcomes).

There are 4 total outcomes when the tetrahedron is rolled, these are the values 1 to 4.

The only favorable outcome is getting a 3

Probability of getting a 3 when the tetrahedron is randomly rolled = 1/4

Step 3:

Answer:

Probability of randomly rolling a 3 is 1/4

7 0
3 years ago
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