Answer: The length of BC is 7
Step-by-step explanation: Assuming the lengths of the opposite sides of the quadrilateral are congruent, then
AB=DC and
AD=BC
Inputting the values of AB, DC and AD as given in the question:
x + 8 = 3x ...(1)
x + 3=? ...(2)
We have to solve for the value of x to get the actual lengths and thus ascertain BD.
From equation (1):
8 = 3x - x
8 = 2x
8/2 = x
Therefore, x = 4.
If x = 4 then equation(2) would be
4 + 3= 7.
Hence, the actual lengths of the quadrilateral are:
AB = 4 + 8. DC = 3(4)
=12. =12.
AD = 4 + 3. AD = BC
= 7. Therefore, BC = 7.
Hence, it is confirmed that quadrilateral ABCD is a parallelogram since both the opposite sides are proven to be congruent.
Answer:
D is the correct answer
if you want explanation you can comment down
Answer and Step-by-step explanation:
5x + 4
2x + 7
Multiply 5x + 4 by 2, and 2x + 7 by 5.
10x + 8
- 10x + 35
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<u>-27 is the answer</u>
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<em><u>#teamtrees #PAW (Plant And Water)</u></em>
Answer: 450
1st yr = 18 students
25 yrs = x
Cross multiply
x = 18 × 25
x = 450
Answer:
Step-by-step explanation:
Assuming he jogs 6 miles a day (Monday to Saturday?)
6 miles * 6 days = 36 miles
Sunday = 5 miles
In one week he runs a total of 41 miles
miles
In 3 weeks he runs a total of 123 miles
miles
