Matrices A and B shown below are equal.
1 answer:
Answer:
-18
Step-by-step explanation:
see attachment for the figure.
If the two matrices are equal. In this way, the amount in the upper, right-hand corner of A (which is - 18) is equivalent to the amount in the upper, right-hand corner of B, which is b₁₂
Therefore, the first answer choice (-18) is the correct one.
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Answer:
Option (C)
Step-by-step explanation:
In the given circle, AB is a chord passing through the center O.
Therefore,chord AB is a diameter of the circle and OC is the radius.
AO = OB = OC
OC⊥AB, and length of OC = 7 cm
By applying Pythagoras theorem in right ΔBOC,
BC² = OC² + OB²
BC =
=
=
≈ 9.9 units
Therefore, Option (C) will be the answer.
Answer:
times
Step-by-step explanation:
Divide both sides by 5
Hope this helps
Answer:
7/10
Step-by-step explanation:
You can either use a calculator, or make both fractions have the denominator of 35 and change the two fractions to be,
and
then divide.
Hope that helps and have a great day!