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3 years ago

Solve the inequality 3(x - 7) + 2(4x + 9) > 0.

Mathematics

2 answers:

Alexandra [31]3 years ago

8 0

Answer:

Step-by-step explanation:

3(x - 7) + 2(4x + 9) > 0

3x-21+8x+18>0

11x-3>0

11x>3

x>3/11

PSYCHO15rus [73]3 years ago

5 0

Answer:

x>3/11

3x - 21 + 8x + 18 >0

11x - 3 >0

11x >3

x>3/11

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Phantasy [73]

Answer:

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Step-by-step explanation:

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4 years ago

The product of-2 and the sum of a number and 8

Sunny_sXe [5.5K]

Answer:

$-2(n+8)$

Step-by-step explanation:

n is an unknown number

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3 years ago

if p(x)=x*2-1 and q(x)=5(x-1),which expression is equivalent to (p-q)(x)?

umka2103 [35]

Answer:

$(p - q)(x) = (x -1) (x - 4)$

Step-by-step explanation:

Given

$p(x) = x^2 - 1$

$q(x) = 5(x - 1)$

Required

(p - q)(x)

This is represented as:

$(p - q)(x) = p(x) - q(x)$

$(p - q)(x) = x^2 - 1 - 5(x - 1)$

$(p - q)(x) = x^2 - 1 - 5x + 5$

Collec like terms

$(p - q)(x) = x^2 - 5x + 5 - 1$

$(p - q)(x) = x^2 - 5x + 4$

Expand

$(p - q)(x) = x^2 -4x - x + 4$

Factorize

$(p - q)(x) = x(x -4) - 1(x - 4)$

$(p - q)(x) = (x -1) (x - 4)$

6 0

3 years ago

Find the area thanks

atroni [7]

16 x 14 = 224

$answer = {224cm}^{2}$

3 0

3 years ago

A Poker hand consisting of five cards is dealt from a deck of fifty two cards. What is the probability that the Poker hand consi

Ne4ueva [31]

Answer: 108336

Step-by-step explanation:

given data:

cards on deck = 52

Since 2 queens are supposed to be in the 5 card hand. Therefore, 2 queens are choosen since we have a total of 4.

Since 2 Queens have been chosen already choosen. we are left with 3cards out of the hand of 5. This cards are to be choosen from the 48 remaining cards. Similarly same process would be used for other combination of playing cards.

(42∗483)+(43∗482)+(44∗481).

= (6 * 17296) + (4 * 1128 ) + (1 * 48)

= 103776 + 4512 + 48

=108336

3 0

4 years ago