3 years ago

Can somebody help me with this please

Mathematics

1 answer:

miss Akunina [59]3 years ago

3 0

Answer:

q=-14

Step-by-step explanation:

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Solve the inequation 2x -3(3x-4)>_8

svlad2 [7]

Answer:

x≤47

Step-by-step explanation:

2x−3(3x−4)≥8

Step 1: Simplify both sides of the inequality.

−7x+12≥8

Step 2: Subtract 12 from both sides.

−7x+12−12≥8−12

−7x≥−4

Step 3: Divide both sides by -7.

−7x−7≥−4−7x≤47

Answer:x≤47

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3 years ago

X2-3x-4=0 please help me factorize

zimovet [89]

X² - 3x - 4 = 0

Reverse FOIL method . . .

(x - 4)(x + 1) = 0

one of the paranthesis has to be equal to zero if the other is not . . .

x - 4 = 0

x = 4

x + 1 = 0

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3 years ago

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3 years ago

Em dois retângulos semelhantes, a ampliação foi de 10 cm por 12 cm, para 20 cm por 24 cm, qual a razão de semelhança (K)?

Semenov [28]

Answer:

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3 years ago

What value of x satisfies the equation x/6-1/5=7/30

Makovka662 [10]

We need to isolate x in order to find x. However, we need to have common denominators first.
$\frac{5x}{30}- \frac{6}{30} = \frac{7}{30}$
$\frac{5x}{30}= \frac{13}{30}$
Multiply by 30 on both sides.
$5x=13$
Divide by 5 on both sides to isolate x.
$x= \frac{13}{5}$

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3 years ago