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3 years ago

Help help help help

Mathematics

2 answers:

adoni [48]3 years ago

8 0

The answer is Library to Police Station

umka21 [38]3 years ago

3 0

Library to police station

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2. Help me find (f/g)(x)

tiny-mole [99]

2x(2x + 3)
That would be -----------------------
2x^2 + 13x + 15

We should factor the denominator and then reduce the original fraction:

2x(2x + 3) 2x x
----------------------- = ------------- = ---------
(2x + 3)(2)(x+5) 2(x+5) x+5

This is true only for x not equal to -5, not equal to -3/2.

6 0

4 years ago

Read 2 more answers

Mary is going to roll a six-sided die. What is the probability that the die lands on the number 3? Input your answer in fraction

liraira [26]

Answer:

added in the picture

Step-by-step explanation:

added in the picture

3 0

2 years ago

If the following data were linearized using logarithms, what would be the equation of the regression line? Round the slope and y

Elis [28]

Answer:

log y = 0.576x + 0.139

Step-by-step explanation:

Given data:

x | 2 | 3 | 4 | 5 | 6
y | 21 | 69 | 261 | 1029 | 4101

Logarithms of y-values:

log 21 = 1.322
log 69 = 1.839
log 261 = 2.417
log 1029 = 3.012
log 4101 = 3.613

The ordered pairs:

(2, 1.322), (3, 1.839), (4, 2.417), (5,3.012), (6, 3.613)

Using an online calculator found the equation of the regression line:

y = 0.576x + 0.139

In our case it is:

log y = 0.576x + 0.139

7 0

3 years ago

Please help me thank you

Lunna [17]

Answer:

418

Sn = ∑ 3 +4(n-1)

n=1

Step-by-step explanation:

3,7,11,15,.....1671

a1 =3

d = 4 (7-3=4)

an = a1 + d(n-1)

an = 3 +4(n-1)

We need to determine the last term

1671 = 3 +4(n-1)

Subtract 3

1671-3 = 3-3 +4(n-1)

1668 = 4(n-1)

divide by 4

1668/4 = 4(n-1)/4

417 = n-1

Add 1 to each side

418 = n

418

Sn = ∑ a1 +d(n-1)

n=1

418

Sn = ∑ 3 +4(n-1)

n=1

8 0

3 years ago

I cant understand this.

djverab [1.8K]

Multiply the top one by 3 for x, so you can eliminate x and find y

then plug in the y into one of the equations to find x

7 0

4 years ago