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faltersainse [42]
2 years ago
11

2(a -3) + 4b - 2(a -b -3) + 5 simplify

Mathematics
2 answers:
ELEN [110]2 years ago
4 0

Answer:

Simplify the expression.

6 b  +  5

Step-by-step explanation:

I hope this helps! Have a great day!

hodyreva [135]2 years ago
3 0

Answer:

6b+5

Step-by-step explanation:

2(a-3)+4b-2(a-b-3)+5

=2a-6+4b-2a+2b+6+5

the 2as and the 6s canel out so we are left with

6b+5

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Read 2 more answers
Can someone pleasee help
katrin2010 [14]

Answer:

y-intercept: (0, 5)

Step-by-step explanation:

This parabola has an equation of -x² + 4x + 5.

It's y-intercept is (0, 5).

It's x-intercepts or roots are (-1, 0) and (5, 0).

It's vertex is (2, 9).

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Keep in mind that the y-intercept is when x = 0.

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What is the equation of the line that is parallel to 8x-5y=2 and goes through the point (-5,-2)
Stella [2.4K]

Answer:

8x - 5y = - 30

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 8x - 5y = 2 into this form

Subtract 8x from both sides

- 5y = - 8x + 2 ( divide all terms by - 5 )

y = \frac{8}{5} x - \frac{2}{5} ← in slope- intercept form

with slope m = \frac{8}{5}

• Parallel lines have equal slopes, hence

y = \frac{8}{5} x + c ← is the partial equation of the parallel line

To find c substitute (- 5, - 2) into the partial equation

- 2 = - 8 + c ⇒ c = - 2 + 8 = 6

y = \frac{8}{5} x + 6 ← in slope- intercept form

Multiply through by 5

5y = 8x + 30 ( subtract 5y from both sides )

0 = 8x - 5y + 30 ( subtract 30 from both sides )

8x - 5y = - 30 ← in standard form

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3 years ago
It took 5.5 hours to drive 154 miles. What was the average rate of speed?
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