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2 years ago

Help is needed! Not the greatest at math :p

Mathematics

1 answer:

VMariaS [17]2 years ago

3 0

Approaches y=0
increases without bound

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Find the value of x - Step by step answer please

Ugo [173]

Answer:

x = -2

Step-by-step explanation:

Given :

$\frac{8}{x+1} = \frac{-16}{x+4}$

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

Cross multiplying the terms :

⇒ 8 (x + 4) = -16 (x + 1)

⇒ 8x + 32 = -16x - 16

⇒ 24x = -48

⇒ x = -2

5 0

2 years ago

Photos and videos have become an important part of the online social experience, with more than half of Internet users posting p

klasskru [66]

Answer:

0.82

Step-by-step explanation:

Given:

A be the event that an Internet user posts photos taken by themselves.

B be the event that an Internet user posts photos taken by themselves.

P(A) = 0.47

P(A) = 0.28

P(A or B) = $P(A\cup B)$ = 0.52

To find:

Conditional probability that an Internet user posts photos given that they post videos.

P(A/B) = ?

Solution:

Formula to be used to find the required conditional probability:

$P(A/B) = \dfrac{P(A \cap B)}{P(B)}$

For this, $P(A \cap B)$ is required.

Formula

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$

$0.52=0.47+0.28-P(A\cap B)\\\Rightarrow P(A\cap B)=0.23$

Now, the required conditional probability is:

$P(A/B) = \dfrac{P(A \cap B)}{P(B)}\\\Rightarrow P(A/B) = \dfrac{0.23}{0.28}\\\Rightarrow \bold{P(A/B)} = 0.82}$

So, the answer is 0.82.

5 0

3 years ago

What is -2 divided by 3

LUCKY_DIMON [66]

-0.66666666 is the answer

4 0

2 years ago

Solve for H: A = L ⋅ W ⋅ H (1 point)

pickupchik [31]

Answer:

A/ (L ⋅ W) =H

Step-by-step explanation:

A = L ⋅ W ⋅ H

A/ (L ⋅ W) =H

3 0

2 years ago

Write the expression in standard form. 2/2-15i

nlexa [21]

Standard form is a+bi

so get rid of that deonmenator

$\frac{2}{2-15i}$
multiply it by $\frac{2+15i}{2+15i}$
result is
$\frac{4+30i}{4+225} = \frac{4+30i}{229}= \frac{4}{229} + \frac{30i}{229}$

answer is $\frac{4}{229} + \frac{30i}{229}$

3 0

2 years ago