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weeeeeb [17]
3 years ago
12

Directions: Select all the correct answers.

Mathematics
1 answer:
Kay [80]3 years ago
4 0
The correct answer is C and D .
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What is the slope of the line through (1, 9) and (–3, 16)?
Lerok [7]

Answer:

Step-by-step explanation:

slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

=  \frac{16-9}{-3-1}

= \frac{7}{-4}

Therefore slope = -7/4

3 0
3 years ago
The table here shows the largest lakes in U.S. in terms of surface area. How much larger is the surface area of Huron lake than
viktelen [127]

Answer:

  • B) 18550

Step-by-step explanation:

  • 59600 - 0.5(82100) =
  • 59600 - 41050 =
  • 18550

Option B

6 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (-9, -7) and<br> (-11, 6)
anzhelika [568]

Answer:

-13/2

Step-by-step explanation:

-13/2 is the answer

4 0
2 years ago
Solve for x in the equation X^2 - 8X + 41= 0
BaLLatris [955]

Answer:

The equation has two solutions for x:

<u>x₁ = (8 + 10i)/2</u>

<u>x₂ = (8 - 10i)/2</u>

Step-by-step explanation:

Let's use the quadratic formula for solving for x in the equation:

X^2 - 8X + 41= 0

x² - 8x + 41 = 0

Let's recall that the quadratic formula is:

x = -b +/- (√b² - 4ac)/2a

Replacing with the real values, we have:

x = 8 +/-  (√-8² - 4 * 1 * 41)/2 * 1

x = 8 +/-  (√64 - 164)/2

x = 8 +/-  (√-100)/2

x = 8 +/-  (√-1 *100)/2

Let's recall that √-1 = i

x = 8 +/- 10i/2

<u>x₁ = (8 + 10i)/2</u>

<u>x₂ = (8 - 10i)/2</u>

8 0
3 years ago
Zoe wrote 3/5 of her essay in 30 minutes. Assuming she wrote the paper at a constant rate the entire time, which expression can
LUCKY_DIMON [66]

Answer: The answer is (B)

Step-by-step explanation:

It just took the unit test

3 0
3 years ago
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