Answer:
2, 3, 4 all have one solution.
Step-by-step explanation:
The first one has no solution.
The second one has a solution of -65/68.
The third one has a solution of 5.
The fourth one has a solution of 13/2.
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Answer:
x<-7
Step-by-step explanation:
-2x-5x>14+7
-7x>21
divide by negative seven x<-7
The answer is c because that’s how much is 2 liters
Considering the given <em>information</em> in the question, the value of x is
, and that of y is
.
A <u>transversal</u> is a <em>line</em> that <em>cuts</em> through two given parallel lines. Thus it i<em>ntersects</em> each parallel line at a point, forming <u>four</u> angles each.
From the given <em>information</em> in the question, it can be <em>inferred</em> that:
the given<u> bottom</u> right angle of the first<em> intersection</em> and the bottom right angle with the <em>second intersection</em> are <u>congruent </u>(corresponding angle property).
So that,
= 
=
- 
=
............ 1
Also given that the top <em>right angle</em> at the<u> second</u> intersection is a <em>right </em>angle, then;
+
=
(sum of angles on a straight line)
This implies that;
=
- 
= 
So that,
y = 
y = 
Thus substituting the value of y in equation 1, we have;
=
........ 1
= 8(7.5)
5x = 60
x = 
x = 
Therefore, x =
and y = 
For more clarification on a transversal of two parallel lines, check: brainly.com/question/1751268
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Kindly contact a 1-on-1 tutor if more explanations are needed.
Answer:
-6/8
Step-by-step explanation:
The slope formula is y2-y1
____
x2-x1
In the ordered pair (-20,4)
-20 is x1 the first x and 4 is x1
-12 is the x2 i.e. 2nd point and -10 is y2 i.e. 2nd point on y axis
so we plug in the value to the formula -10-(-4) two negatives become +
_____
-12-(-20)
so -10+4 -6 6
____ = ___ = - _
-12+20 8 8
(remember you subtract and the signs are different you subtract and use the sign of larger number)