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2 years ago

Dade County Public Schools

Mathematics

1 answer:

deff fn [24]2 years ago

4 0

Thirty-four thousandths

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What is a reasonable estimate for the solution? O (1,-3/4) O (-3/4,1) O (-1,3/4) O (3/4,-1)

Zina [86]

Answer:

See Explanation

Step-by-step explanation:

Your question is incomplete, as the equations or graph or table(s) were not given.

However, I'll give a general way of solving this.

Take for instance, the equations are:

$y = \frac{4}{3}x - 1$

$y = \frac{2}{3}x - \frac{1}{2}$

To do this, we start by equating both equations.

$y = y$

i.e.

$\frac{4}{3}x - 1= \frac{2}{3}x - \frac{1}{2}$

Collect Like Terms

$\frac{4}{3}x - \frac{2}{3}x= 1 - \frac{1}{2}$

Take LCM

$\frac{4x- 2x}{3}= \frac{2 - 1}{2}$

$\frac{2x}{3}= \frac{1}{2}$

Cross Multiply

$2x * 2 = 3 * 1$

$4x = 3$

Make x the subject

$x = \frac{3}{4}$

Substitute 3/4 for x in $y = \frac{4}{3}x - 1$

$y = \frac{4}{3} * \frac{3}{4} - 1$

$y = 1 - 1$

$y = 0$

Hence:

$(x,y) = (\frac{3}{4},0)$

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2 years ago

Solve the system. x = y +2 3x = 6 (y + 2)

Zielflug [23.3K]

Answer:

(x , y)=(0 , -2)

Step-by-step explanation:

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1 year ago

What value of x makes the statement true?

Sergeu [11.5K]

Answer:

5x-1=10x+3x

5x-3x=10+1

2x=11

x=11/2

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From 9:30 am to 5:45 pm, how many hours is that? Please show your work.

aalyn [17]

The answer is 8 1/4 hours

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20. Solve 3(5x − 4) < 15x. All Real Numbers x>-4 x<4 no solution

Natasha2012 [34]

Answer:

No solution

Step-by-step explanation:

$3(5x - 4) < 15x \\ 15x - 12 < 15x \\ 15x - 15x < 12 \\ 0 < 12$

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1 year ago