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4 years ago

Evaluate the expression?? -5/k+1 for k =-1

Mathematics

1 answer:

vladimir2022 [97]4 years ago

8 0

Answer:

undefined

Step-by-step explanation:

Order of Operations: BPEMDAS

Step 1: Define

-5/(k + 1)

k = -1

Step 2: Substitute and Evaluate

-5/(-1 + 1)

-5/0

undefined (we cannot divide anything by 0)

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A. 1/5 B. 1/3 C. 7/15 D. 1/2

Allisa [31]

$P(B|A)=\dfrac{P(A \cap B)}{P(A)}\\\\ |\Omega|=15\cdot14=210\\ |A|=3\cdot14=42\\ |A \cap B|=3\cdot7=21\\\\ P(A)=\dfrac{42}{210}=\dfrac{7}{35}\\ P(A \cap B)=\dfrac{21}{210}=\dfrac{1}{10}\\\\ P(B|A)=\dfrac{\dfrac{1}{10}}{\dfrac{7}{35}}=\dfrac{1}{10}\cdot\dfrac{35}{7}=\dfrac{1}{2}\Rightarrow \text{D}$

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4 years ago

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Elanso [62]

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Step-by-step explanation:

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4 years ago

Round off 2409725 to nearest 10

Julli [10]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

A circle is centered at (-6,3) and has a radius of 11. Where does the point (3,-3) lie?

scZoUnD [109]

Answer:

Inside the circle

Step-by-step explanation:

Use the distance formula to find the distance between the center and the point.

d = √((x₁ − x₂)² + (y₁ − y₂)²)

d = √((-6 − 3)² + (3 − (-3))²)

d = √((-9)² + (6)²)

d = √(81 + 36)

d = √117

d ≈ 10.817

This is less than the radius of 11, so the point is inside the circle.

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