Answer:
Step-by-step explanation:
When you multiply like terms, you add their powers. When dividing like terms, you subtract their powers (subtract the power in the denominator from the one in the numerator).
Mr. Plum's math class of 25 students had an average of 85 on a test. Miss Scarlett's class of 22 students had an average of 87 o
2 answers:
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Answer:
The correct answer is "9√2 units".
Step-by-step explanation:
The given equations are:
⇒ ...(equation 1)
⇒ ...(equation 2)
According to the 2nd equation, we get
⇒
⇒
On substituting the value of "y" in the 1st equation, we get
⇒
On taking common, we get
On applying factorization, we get
or,
Now,
The points are:
(-7, 12) = (x₁, y₁)
(2, 3) = (x₂, y₂)
By using the distance formula, the length of chord will be:
=
On substituting the values in the above formula, we get
=
=
=
= units