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QveST [7]
3 years ago
8

-3 (-5x - 7) Use the Distributive Property to rewrite the expressions without parentheses.

Mathematics
2 answers:
hammer [34]3 years ago
5 0

Answer:

-15x-12

Step-by-step explanation:

1.Distribute

3(-5x-7)

-15x-12

•Solution

-15x-12

Semmy [17]3 years ago
3 0
The answer would be 15x+21
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How would I know what lines are intersecting, perpendicular, parallel and coinciding based off an equation given? Like in the pi
NikAS [45]
If lines are paralel, then they have the same slope
if the lines are pependicuilar, the slopes mutiply to -1

so

y=mx+b
m=slope

and
ax+by=c
-a/b is the slope

given
y=2/3x-2
slope is 2/3

x+y=4
slope is -1/1 or -1

2/3≠-1 and -1 times 2/3≠-1 so they are neither perpendicular or paralell

since they aren't paralell, we know they intersect somewhere
8 0
3 years ago
Graph the function y = |8 - 2x| + 3. Which is a point on the function? (6.2, 7.4) (7.8, 11.2) (8.6, 6.8) (9.6, 7.3)
Fiesta28 [93]
For this case we have the following function:
 y = | 8 - 2x | + 3

 The first thing you should do is graph the function to see the behavior.
 When observing the graph (in the attached image) we observe that the following point belongs to the graph:
 (6.2, 7.4)

 To prove it, let's evaluate the point in the function:
 7.4 = l 8 - 2 (6.2) l + 3

7.4 = l 8 - 12.4 l + 3

7.4 = l -4.4 l + 3

7.4 = 7.4
 The equation is fulfilled and therefore the point belongs to the graph.
 Answer:
 
(6.2, 7.4)
 
See attached image

8 0
3 years ago
I just found out i got a 361 on my math test and i need a 400 to pass lol
lana66690 [7]

Answer:

361 out of 400 is 90.25%

Step-by-step explanation:

7 0
3 years ago
What is the slope of the line represented by the equation 6y-14x=5
ioda

Answer:

slope = \frac{7}{3}

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 6y - 14x = 5 into this form

add 14x to both sides

6y = 14x + 5 ( divide all terms by 6 )

y = \frac{14}{6} x + \frac{5}{6} ← in slope- intercept form

with slope m = \frac{7}{3} ← in simplest form


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3 years ago
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leonid [27]
The answer is a because it is saying the corrext answer to the question
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3 years ago
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