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2 years ago

Solve 3(2x-3)-4(2x+1)<=-26

Mathematics

2 answers:

Travka [436]2 years ago

8 0

Step-by-step explanation:

3(2x - 3) - 4(2x + 1) <= 26

-2x - 13 <= 26

2x <= -39

x <= -19.5.

Aleks [24]2 years ago

7 0

Answer:

x ≥ $6\frac{1}{2}$

Step-by-step explanation:

3 ( 2x - 3 ) - 4 ( 2x + 1 ) ≤ -26

6x - 9 - 8x - 4 ≤ -26

-2x ≤ -13

x ≥ $6\frac{1}{2}$

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2 years ago

Suppose a three-seat city council election. For each seat, one progressive and one conservative is running, and voters must choo

Kitty [74]

Answer:

The probability that conservative party wins all 3 seats is 0.216

The probability that conservative party wins exactly two seats is 0.432

Step-by-step explanation:

Consider the provided information.

The probability of a conservative candidate winning is p=0.6.

The probability of one progressive candidate will win is: 1-0.6=0.4

Part (a) What is the probability that the conservative party wins all three seats?

According to binomial distribution: $b(x; n, p) =^nC_xp^x(1- p)^{n-x}$

$P(x=3) =^3C_3(0.6)^3 (0.4)^{3-3}$

$P(x=3) =(0.6)^3$

$P(x=3)=0.216$

P(conservative party wins all 3 seats) = 0.216

Hence, the probability that conservative party wins all 3 seats is 0.216

Part (a) What is the probability that the conservative party wins exactly two seats?

$P(x=2) =^3C_2(0.6)^2 (0.4)^{3-2}$

$P(x=2) =3(0.36)(0.4)$

$P(x=2) =0.432$

Hence, the probability that conservative party wins exactly two seats is 0.432

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2 years ago

Ill give you alot of points for this

rusak2 [61]

Answer:

Step-by-step explanation:

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2 years ago

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scZoUnD [109]

Pretty sure it´s 12.25

61.25 /5=12.5

you can check this by doing 12.5 x 5 ; 15 or 30 and you´ll get the same product in monthly earned

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2 years ago

Combine, and simplify the following radical expressions:<br><br> √7-5/√7+√8

solmaris [256]

$\frac{\sqrt{7}-5}{\sqrt{7}+\sqrt{8}}$

Rationalize.

$-7+2\sqrt{14}+5\sqrt{7}-10\sqrt{2}$

This can be further simplified to the decimal:

-0.43006...

I hope this helps :)

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3 years ago

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