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zhannawk [14.2K]
3 years ago
5

Jeffrey's brother max is 5 years older than twice Jeffrey's age. Write an expression that represents the relationship of Max's a

ge in terms of Jeffrey's age,j.
Mathematics
1 answer:
Illusion [34]3 years ago
4 0
Jeffrey = J
Max = M

M = 2j + 5
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It is answer choice B. Using the distributive property, -12x^3+15x^2-24x-6x^2+30x-42. Then combine like terms.
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3 years ago
Solve this quadratic equation using the quadratic formula. 5 - 10x - 3x2 = 0
horsena [70]

Answer:

x = (-5 ± 2√10) / 3

Step-by-step explanation:

5 − 10x − 3x² = 0

Write in standard form:

-3x² − 10x + 5 = 0

Solve with quadratic formula:

x = [ -b ± √(b² − 4ac) ] / 2a

x = [ -(-10) ± √((-10)² − 4(-3)(5)) ] / 2(-3)

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4 0
3 years ago
Read 2 more answers
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sergeinik [125]

Answer:

a) P=0.2503

b) P=0.2759

c) P=0.3874

d) P=0.2051

Step-by-step explanation:

We have this information:

25% of American households have only dogs (one or more dogs)

15% of American households have only cats (one or more cats)

10% of American households have dogs and cats (one or more of each)

50% of American households do not have any dogs or cats.

The sample is n=10

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b) Probability that exactly 2 has only cats (p=0.15)

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c) Probability that exactly 1 has cats and dogs (p=0.1)

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d) Probability that exactly 4 has neither cats or dogs (p=0.5)

P(x=4)=\binom{10}{4}0.50^40.50^6=210*0.0625*0.01563=0.20508

8 0
3 years ago
Help plz quick appreciated
Soloha48 [4]
Question 3:
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3 years ago
Using the Pythagorean Theorem, which two examples are right triangles?
eimsori [14]

Answer:

2 and 4

Step-by-step explanation:

7 0
3 years ago
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