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bezimeni [28]
3 years ago
15

Factor the trinomial below.4x2 + 12x +9​

Mathematics
1 answer:
Aleks [24]3 years ago
8 0

The factor of the trinomial is (2x+3)^2

Explanation:

The given trinomial is 4x^{2} +12x+9

We need to determine the factor of the trinomial.

The factor of the trinomial can be determined by finding the root of the trinomial.

Let us factorize the trinomial 4x^{2} +12x+9

Thus, the trinomial can be written as,

4x^{2} +6x+6x+9

Grouping the terms, we have,

2x(2x +3)+3(2x+3)

Simplifying the terms, we get,

(2x+3)(2x+3)

Multiplying the terms, we have,

(2x+3)^2

Thus, the factor of the trinomial is (2x+3)^2

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Contact [7]
By definition we have to:
 Sin (x) = C.O / h
 Where,
 x = angle
 C.O = opposite leg
 h: hypotenuse.
 Substituting values we have:
 Sin (C) = AB / 82
 We should look for AB. For this, we use the following relationship:
 AB ^ 2 + 80 ^ 2 = 82 ^ 2
 Clearing AB:
 AB = root ((82 ^ 2) - (80 ^ 2))
 AB = 18
 Substituting we have:
 Sin (C) = 18/82
 Simplifying:
 Sin (C) = 9/41

 Answer:
 
the trigonometric ratio for sin C is:
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3 years ago
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Answer:

Step-by-step explanation:

perp. -5

y + 7 = -5(x - 4)

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aksik [14]

Answer:

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5 0
3 years ago
Read 2 more answers
350 people visited a zoo the zoo has four types of tickets the manager wants a sample of size 30, stratified by ticket type. how
NARA [144]

Answer:

The number of teenagers in the stratified sample of equal proportion is 30 teenagers

Step-by-step explanation:

Whereby tickets are sold to only adults male and female and teenagers, boys and girls, we have the following groups

Group 1: Female adult

Group 2: Male adult

Group 3: Teenage boys

Group 4: Teenage girls

In stratified sampling, the types of people that visit the zoo (which is the target population) are identified and the appropriate proportion of each of the identified types is determined such that the sample is representative of the population

Where equal number of each group are observed to have visited the zoo, then, the appropriate sample size of the teenager is found as follows;

Number of groups identified = 4

Sample size = 30

Appropriate proportion of each group = 1/4

Number of teenage boys in the sample = 1/4×30 = 15

Number of teenage girls in the sample = 1/4×30 = 15

Total number of teenagers in the sample = 15 + 15 = 30 teenagers.

5 0
3 years ago
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The question is below pls help.
AysviL [449]

Answer:

The answer is 153.8

Step-by-step explanation:

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