X-1/2=-1/2
X= -1/2+1/2
X= 0
<u>Answer:</u> False
<u>Explanation / Counterexample:</u> Two lines in a 3-dimensional space can lie in two different planes.
If the slope of AB = CD and BC = AD it's a parallelogram:
Slope of AB = 6+1 / -9+5 = -7/4
CD = -2-5 / 3+1 = -74
These are equal.
BC = 5-6 / -1 +9 = -1/8
AD = -2 +1 / 3+5 = -1/8
These are also equal so it is a parallelogram.
Now to find if the diagonals are perpendicular find the slope of the perpensicular points:
AC = 5 +1 / -1 +5 = 6/4 = 3/2
BD = 6+2 / -9 -3 = 8/-12 = -2/3
Because BD is the reciprocal of AC, this means they are perpendicular.
And because AB is not perpendicular to AD ( AB and AD are not reciprocals) it is a rhombus.
The number of small chocolate-bars sold is 272.
<h3>What is a ratio? </h3>
Ratio expresses the relationship between two or more numbers. It shows the number of times that one value is another value. The sign used to represent ratios is :.
<h3>What is the number of small chocolate bars sold?</h3>
The number of packs small chocolate bars sold = (ratio of he number of small chocolate bars sold / sum of ratios) x number of chocolate bars sold
(5/7) x 95 = 67.8 = 68
The number of small chocolate bars sold = 68 x 4 = 272
To learn more about ratios, please check: brainly.com/question/25927869
Answer:
x=2
Step-by-step explanation:
x-5=5x-13
5x-x=-5+13
4x=8
x=8/4
x=2
