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2 years ago

14

Correct answer gets 5 star

2 answers:

Evgen [1.6K]2 years ago

7 0

Answer:

Step-by-step explanation:

A

trapecia [35]2 years ago

7 0

The formula of the slope is y=mx+b

Answer:

The slope is -5.

The y-intercept is (0,4).

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Find the domain of f(x)=x-9/x squared-81

vagabundo [1.1K]

$f(x)=\dfrac{x-9}{x^2-81}\\\\\text{The domain:}\\\\x^2-81\neq0\qquad\text{add 81 to both sides}\\\\x^2\neq81\to x\neq\pm\sqrt{81}\\\\x\neq-9\ \wedge\ x\neq9\\\\Answer:\ \boxed{\text{All real numbers except -9 and 9}}\to\boxed{x\in\mathbb{R}-\{-9,\ 9\}}$

7 0

3 years ago

Add. Write your answer in simplest form.

alexandr1967 [171]

Answer:

yes, you got it correct

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

What is the volume of the rectangular prism?

Mashcka [7]

Answer:

96 cubic inches

Step-by-step explanation:

8x3=24=area x4 = 96 = volume

5 0

2 years ago

What is 4+5=20 +34+56

enyata [817]

This question’s answer is no solution, unless there was a typo. If there was, comment, and i’ll Answer it!

7 0

3 years ago

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After 5 tests Dara's average score was 88 what score must she average on the next two tests to have a seven-test average of 90?

Tomtit [17]

After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

$90 \times 7 = 630$

Her average after 5 tests was 88. Her total score on the 5 tests is:

$88 \times 5 = 440$

Subtract:

$630-440 = 190$

Find the average by dividing by 2:

$190 \div 2 = 95$

Her average must be 95

3 0

2 years ago