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omeli [17]
3 years ago
8

Multiplying binomials Determine the product (x-3) (x-8)

Mathematics
2 answers:
Setler79 [48]3 years ago
7 0

Answer:

x^2 - 11x + 24

Step-by-step explanation:

(x-3)(x-8)

x*x = x^2     x*-8 = -8x

-3*x = -3x    -3*-8 = 24

x^2 - 8x - 3x +24

x^2 -11x +24

MrMuchimi3 years ago
4 0
X^2-24 is the answer
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Answer:

A B and D

Step-by-step explanation:

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3 years ago
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Susan's elevation at the top of a mountain is 1,530 meters. After 4 hours of climbing down her elevation is 680 meters. What is
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Answer:

C) -212.5

Step-by-step explanation:

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3 years ago
For the given line segment, write the equation of the perpendicular bisector.
Jlenok [28]

Answer:

D) y = -4/5x – 47/10

Step-by-step explanation:

Step 1. Find the <em>midpoint of the segmen</em>t.

The two end points are (-6, -4) and (-2, 1).

The midpoint is at the average of the coordinates.

(xₚ, yₚ) = ((x₁ + x₂)/2, (y₁ + y₂)/2)

(xₚ, yₚ) = ((-6 - 2)/2, (-4 + 1)/2)

(xₚ, yₚ) = (-8/2, -3/2)

(xₚ, yₚ) = (-4, -3/2)

===============

Step 2. Find the <em>slope (m₁) of the segment</em>

m₁ = (y₂ - y₁)/(x₂ - x₁)

m₁ = (1 - (-4))/(-2 - (-6))

m₁ = (1 + 4)/(-2 + 6)

m₁ = 5/4

===============

Step 3. Find the <em>slope (m₂) of the perpendicular bisector </em>

m₂ = -1/m₁

m₂ = -4/5

====================

Step 4. Find the <em>intercept of the perpendicular bisector</em>

y = mx + b

y = -(4/5)x + b

The line passes through (-4, -3/2).

-3/2 = -(4/5)(-4) + b

-3/2 = 16/5 + b      Multiply each side by 10

 -15 = 32 + 10 b    Subtract 32 from each side

 -47 = 10b             Divide each side by 10

    b = -47/10

===============

Step 5. Write the <em>equation for the perpendicular bisector</em>

y = -4/5x – 47/10

The graph shows the midpoint of your segment at (-4, -3/2) and the perpendicular bisector passing through the midpoint and (0, -47/10).

4 0
3 years ago
5. Which of the following statements are always true? (2 points)
gayaneshka [121]

Answer: A & C

Step-by-step explanation: A. Two parallel lines are coplanar.

C. Two planes that do not intersect are parallel.

8 0
3 years ago
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Plz help me thanks very nuch whoever helped me​
photoshop1234 [79]

Answer:

(1) 56 miles/hour

Step-by-step explanation:

We need to find the average rate of change from t = 2 to t = 9.

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The average rate of change in function f(x) from x = a to x = b is

[f(b) - f(a)]/(b - a)

average rate of change from t = 2 to t = 9 =

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Answer: (1) 56 miles/hour

7 0
3 years ago
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