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3 years ago

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The measures of two sides of a triangle are 17x-7 and 3xsquared-14x+12.Find the measurements of the third side.How do I do this?

And what is the answer.

1 answer:

Marta_Voda [28]3 years ago

3 0

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Solve each system of linear equations albebraically

ANEK [815]

Step-by-step explanation:

$1.\\\left\{\begin{array}{ccc}y=3x&(1)\\2y=6x&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\2(3x)=6x\\6x=6x\qquad\text{subtract}\ 6x\ \text{from both sides}\\6x-6x=6x-6x\\0=0\qquad\text{TRUE}\\\\Answer:\ \text{Infinitely many solutions}\\\\\left\{\begin{array}{ccc}y=3x\\x\in\mathbb{R}\end{array}\right$

$2.\\\left\{\begin{array}{ccc}y=2x+5&(1)\\y-2x=1&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\(2x+5)-2x=1\\2x+5-2x=1\qquad\text{combine like terms}\\(2x-2x)+5=1\\5=-1\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

$3.\\\left\{\begin{array}{ccc}3x-2y=9\\-6x+4y=1&\text{divide both sides by 2}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}3x-2y=9\\-3x+2y=0.5\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad0=9.5\qquad\text{FALSE}\\\\Answer:\ \text{No solution.}$

5 0

3 years ago

The probability that a worker with occupational exposure to dust contracts a lung disease is 0.2. three such workers are checked

Elena-2011 [213]

Answer:

i think b. at least one of them contracted a lung disease

5 0

3 years ago

Mark is adding X and -4. He finds the LCD to be 3x. What should he do next to find the sum?

MariettaO [177]

Answer:

B

Step-by-step explanation:

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3 years ago

Twice the sum of a number and 3 is equal to three times the difference of the number and 6. Find the number.

vfiekz [6]

Answer: 5

Step-by-step explanation:

7 0

3 years ago

In a sale there is 25% off all prices a bed costs £33 how much was it before the sale ?

Troyanec [42]

25% OFF is 100%-25%=75%
75% is 0.75 in decimal form
if x is the original price then
0.75x=33
x=33/0.75= £44

8 0

3 years ago