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IgorLugansk [536]
3 years ago
7

Factorise x²+14x+24.

Mathematics
1 answer:
tigry1 [53]3 years ago
4 0

Answer:

x²+14x+24 = (x+2)(x+12)

Step-by-step explanation:

We need to factorize the given expression i.e. x²+14x+24.

We find two integers such that their sum is 14 and product is 24.

x²+14x+24 = x²+12x+2x+24

=x(x+12)+2(x+12)

= (x+2)(x+12)

Hence, the factors of the given expression is (x+2)(x+12).

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3 years ago
at a certain university, 23% of students will graduate with a math degree, 31% will graduate with a computer science degree and
Tpy6a [65]
<h3>Answer:  B) 47%</h3>

Work Shown:

A = event that the person has math degree

B = event that the person has a computer science degree

P(A) = 0.23, since 23% of the people have a math degree

P(B) = 0.31, similar reasoning as above, just different number

P(A and B) = 0.07

P(A or B) = P(A) + P(B) - P(A and B)

P(A or B) = 0.23 + 0.31 - 0.07

P(A or B) = 0.47

The decimal value 0.47 then converts to 47% after moving the decimal 2 spots to the right.

There's a 47% chance that we pick someone who has a math degree or a computer science degree (or both).

It might help to set up a venn diagram to see why that formula above works.

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3 years ago
1.43 x 10*9 in standard form
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The exponent is 9, making it 10 to the power of 9. As the exponent is positive, the solution is a number greater than the origin or base number.
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2 years ago
Read 2 more answers
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