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3 years ago

Determine whether each statement is always, sometimes, or never true.

1 answer:

3 0

If two lines have the same slope, then they are always parallel, unless they are the same line. Parallel lines means they never touch, but if you have the same line, they would be touching.

If two lines have the same slope and y-intercepts, then they are the same line, therefore not parallel because they touch each other.

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(07.07) Find the product of (2x + 5y)^2

alukav5142 [94]

Answer:

$4x^2+20xy+25y^2$

Step-by-step explanation:

$(2x + 5y)^2=(2x + 5y)(2x + 5)$

$(2x + 5y)(2x + 5y)$

$4x^2+10xy+10xy+25y^2$

$4x^2+20xy+25y^2$

Hope this helps!

4 0

3 years ago

Graph the equation y equals negative 3x - 4 by plotting points y = -3x - 4

ivann1987 [24]

Explanation:

We need to find two points that are solutions to the equation.

So, if x = 0, then:

y = -3x - 4

y = -3(0) - 4

y = 0 - 4

y = -4

And, if x = 1, then:

y = -3(1) - 4

y = -3 - 4

y = -7

Answer:

Then, the line passes through the points (0, -4) and (1, -7). So the graph of the equation is:

4 0

1 year ago

The life span of a new flameless candle from a certain company is normally distributed. The mean life is 300 hours with a standa

tekilochka [14]

The second one is the answer.

4 0

4 years ago

What is 3 7/9 as an improper fraction?

scoundrel [369]

$3 \frac{7}{9}= \frac{3x9+7}{9}= \frac{34}{9} \\ 
 \\ Solution: \frac{34}{9}$

3 0

4 years ago

Read 2 more answers

Find the equation of the line that is parallel to the given line and passes through the given

ElenaW [278]

Hello, I will try to help you as best as I can. Sorry if this is wrong. y = 0.8x +12

parallel line means it has similar gradient m= 0.8

Y = MX + C

just substitute the coordinate (-5,8) to find the variable c

8 = 0.8(-5) + C

C = 12

our answer is y = 0.8x + 12

Still stuck? Get 1-on-1 help from an expert tutor now.

5 0

2 years ago