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MakcuM [25]
3 years ago
8

a problem asks the students to find the slope of the line that passes through the points (-6,21) and (6,-27) Quin says that the

slope of the line is -1/4 Find the slope of the line. What error might Quinn have made?
Mathematics
1 answer:
CaHeK987 [17]3 years ago
4 0

Answer:

the correct answer is 4 an the error that she made was that she didn't do was rise over run

like this y2-y1/x2-x1

hope that helps

Step-by-step explanation:

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Otrada [13]
Angles on a straight line add up to 180°, so:

x + 60 = 180

x = 180 - 60

x = 120°
3 0
3 years ago
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What’s 1500 times 150000
kotykmax [81]

Use long multiplication to evaluate.

225000000


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3 years ago
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F(x) = (x + 2) (x - 7)3
mote1985 [20]

Answer:

y=3x^2 -15x-42

Step-by-step explanation:

8 0
3 years ago
What are the possible rational zeros for f(x)=3x^4+x^3-13x^2-2x+9?
zaharov [31]

Answer:

Option 4 (±1, ±1/3, ±3, ±9) is the correct option.

Step-by-step explanation:

The given expression is f(x)=3x^{4}+x^{3}-13x^{2}-2x+9

We have to find the possible rational zeros for the function.

So by the rational zero theorem factors will be

=±(Factors of constant term 9)/±factors of coefficient of x^{4}

=±(Factors of 9)/±(Factors of 3)

=±(1, 3, 9)/±(1, 3)

=±(1, 3, 9, 1/3)

So option 4 is the correct answer.

4 0
3 years ago
What is the answer to
Travka [436]

Explanation:

The sum of the measures of the interior angles of a triangle is 180°. Then the sum of the given angles is 180°:

m∠P +m∠Q +m∠R = 180°

(5x)° +(5x)° +(8x)° = 180°

18x = 180 . . . . . . . . . . . . . . . collect terms, divide by °

x = 10 . . . . . . . . . . . . . . . . . . divide by 18. This is your desired result.

6 0
3 years ago
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