2 years ago

-4x + 2(5x - 6) = 6(x - 2)

Mathematics

1 answer:

Ugo [173]2 years ago

8 0

Answer:

Sorry but this equation gives me 6x-12=6x-12

Step-by-step explanation:

Hope u don't mind me asking but have u tried it out yet and what did you get???

Is that a negative b4 4x??

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Ali, Carrie and Bryan received a sum of money. Bryan's money was 3/5 as much as Ali's money. The ratio of Ali's money to Carrie'

monitta

Answer:

The sum of money received by Ali, Carrie and Bryan is $ 740.

Step-by-step explanation:

At first we translate mathematically each sentence:

(i) Ali, Carrie and Bryan received a sum of money.

$a$ - Ali's money.

$b$ - Bryan's money.

$c$ - Carrie's money.

(ii) Bryan's money was $\frac{3}{5}$ of Ali's money.

$b = \frac{3}{5}\cdot a$ (1)

(iii) The ratio of Ali's money to Carrie's money was 4 : 1.

$\frac{a}{c} = 4$ (2)

(iv) Ali had $ 160 more than Bryan.

$a = b + 160$ (3)

After some algebraic handling, we have the following system of linear equations:

$3\cdot a - 5 \cdot b = 0$ (1b)

$a - 4\cdot c = 0$ (2b)

$a - b = 160$ (3b)

The solution of the system is: $a = 400$ , $b = 240$ , $c = 100$

The sum of money is:

$s = a + b + c$

$s = 740$

The sum of money received by Ali, Carrie and Bryan is $ 740.

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2 years ago

Cora chose to have her birthday party

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$35, sorry if I’m wrong

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3 years ago

Help solve the following equation: 20.6 + 2.1x = -8.2x

Igoryamba

$20.6 + 2.1x = -8.2x$

$20.6=-10.3x$

$-2=x$

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there are 400 students and 4/5 have purchased tickets there needs to be 2 chaperones for every 75 students how many chaperones a

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Answer:

5 chaperones are needed.

Step-by-step explanation:

400 x 4/5 = 320

320 ÷ 75 = 4.3

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2 years ago