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2 years ago

Find the value of x.

Mathematics

2 answers:

Agata [3.3K]2 years ago

5 0

Answer:

x=6

Step-by-step explanation:

24=4x

divide both by 4

equals 6

AnnZ [28]2 years ago

5 0

Answer:

to find x we have to find the similarly between the smaller and the larger triangle

the two triangle are similar by side angle side(SAS) similarly therom.

we have to see carefully that the two triangle are similar but not congruent.

Step-by-step explanation:

so the bigger triangle is twice big as the smaller.

so 24/4x =2

8x=24

x=24/8

x=3

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Suppose that 10% of the undergraduates at a certain university are foreign students, and that 25% of the graduate students are f

Deffense [45]

Answer:

0.6154 = 61.54% probability that the student is an undergraduate

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

$P(B|A) = \frac{P(A \cap B)}{P(A)}$

In which

P(B|A) is the probability of event B happening, given that A happened.

$P(A \cap B)$ is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Foreign

Event B: Undergraduate.

There are four times as many undergraduates as graduate students

So 4/5 = 80% are undergraduate students and 1/5 = 20% are graduate students.

Probability the student is foreign:

10% of 80%

25% of 20%. So

$P(A) = 0.1*0.8 + 0.25*0.2 = 0.13$

Probability that a student is foreign and undergraduate:

10% of 80%. So

$P(A \cap B) = 0.1*0.8 = 0.08$

What is the probability that the student is an undergraduate?

$P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.08}{0.13} = 0.6154$

0.6154 = 61.54% probability that the student is an undergraduate

8 0

3 years ago

A certain number has exactly 8 factors including 1 and itself. 2 of its factors are 21 and 35 what is the number?

vodomira [7]

21 = 3.7
35 = 5.7

probably the factors have 3.5.7
= 105

let's try :
1 . 105
3 . 35
5 . 21
7 . 15
Yep, correct.

6 0

3 years ago

Trig. Ratios of perimeters and areas.

fenix001 [56]

Answer:

8:9

Step-by-step explanation:

ratio of areas = (ratio of sides)²

64/81 = (ratio of sides)²

Square root both sides

8/9 = ratio of sides

5 0

3 years ago

Is the discriminant positive negative or zero?

vitfil [10]

Answer:

Sorry the picture is blocked on my chromebook but i hope this helps

Step-by-step explanation:

A positive discriminant indicates that the quadratic has two distinct real number solutions. A discriminant of zero indicates that the quadratic has a repeated real number solution. A negative discriminant indicates that neither of the solutions are real numbers.

6 0

3 years ago

If u don’t see it let me know I will put down the answer choices

melamori03 [73]

Tyler used the Distributive Property

5 0

3 years ago

Read 2 more answers