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Oksi-84 [34.3K]
2 years ago
13

HELP ME Use the figure shown. Let point D be at ( - 4,1). Use the sides of ABDA to find the slope of the line. Ay 4 3 C(-2,2) 2

B(-4, 2) 1 A(-2, 1) X -7-6-5-4-3-2 O The slope is???​
Mathematics
1 answer:
ipn [44]2 years ago
8 0

Answer:

slope = -1/2

Step-by-step explanation:

we use point B and point A to find the slope

A(-2,1)    B(-4,2)

-2 = x1

1 = y1

-4 = x2

2 = y2

the formula for slope is: y/x = y1 - y2  /  x1 - x2 = 1 -2 / -2-(-4) = -1/2

Graph is in picture                                                                      

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If f(x) = -5x – 4 and g(x) = -3x - 2, find (f+ g)(x).
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Answer: See below

Step-by-step explanation:

(f+g)(x) is another way for saying f(x)+g(x). Since we know f(x) and g(x), we can add them together.

-5x-4+(-3x-2)                  [distribute the 1 to (-3x-2)]

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(f+g)(x) is -8x-6. You can also factor this.

1. Factoring

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4 0
3 years ago
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Step-by-step explanation:

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P(x\leq22.4)=P(z\leq\dfrac{22.4-23.4}{1.3})\ \ [\because z=\dfrac{x-\mu}{\sigma}]\\\\\approx P(z\leq-0.77)\\\\=1-P(z\leq0.77)\\\\=1-0.77935=0.2206499\approx0.2206=22.06\%

Hence,  the required answer = 22.0.6%

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3 years ago
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Answer:

Step-by-step explanation:

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