Answer:
d
Step-by-step explanation:
Solution by substitution method
y=7x+8
∴y-7x=8
and y=x+20
∴y-x=20
Suppose,
-7x+y=8→(1)
and -x+y=20→(2)
Taking equation (1), we have
-7x+y=8
⇒y=7x+8→(3)
Putting y=7x+8 in equation (2), we get
-x + 7x + 8 = 20
6x = 20-8
6x = 12
x= 12 / 6
x = 2
substitute for x in equation (3)
y = 7(x) + 8
y = 7(2) + 8
y = 22
Answer:
JL is not congruent to KM
Step-by-step explanation:
The length of JL is 23-21 = 2.
The length of KM is 25-22 = 3
So, because the lengths are not equal,
JL is not congruent to KM
Volume=length*width*height (for a rectangular prism)
Plug in the values.
4 1/4*3*1 1/4= the volume
4 1/4*3= 12 3/4, so:
12 3/4 * 1 1/4 is correct as well.
The answer you checked is the correct answer.
I hope this helps!
~kaikers
Answer:
Step-by-step explanation:
Notice that KL = LM and PQ = QR since OL and OQ are perpendicular to both KM and PR.
It follows that QR = (1/2) PR = 20 cm. We also know that MR = 21.
Now in order to solve the problem we just need OQ=OL
Therefore the perimeter of the pentagon is
8,700*
12/100=1044/y Equation
1044 x 100= 104,400 Cross multiply
104,400÷12=8700 Divide quotient by pecentage out of 100 (12)
