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Andre45 [30]
4 years ago
8

How to answer this question

Mathematics
1 answer:
Fantom [35]4 years ago
6 0

can you translate it

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What is the constant of variation,k, of the direct variation,y=kx,through (5,8)
grigory [225]

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form \frac{y}{x}=k or y=kx

where

k is the constant of variation

in this problem we have

the point (5,8)

so

x=5\\y=8

substitute

\frac{y}{x}=k

\frac{8}{5}=k

therefore

<u>the answer is</u>

k=\frac{8}{5}

8 0
4 years ago
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The probability that a plane departs on time at a certain airport is .87 The probability that a plane arrives on time given it d
sleet_krkn [62]

Answer:

0.9355

Step-by-step explanation:

What we will use here is conditional probability formula.

let A be the event that the plane departs on time

and B be the event that it arrives on time

P(A) = 0.87

P(B|A) = 0.93

P(B) = ?

P(A n B) = ?

Mathematically;

P(B|A) = P(B nA)/P(A)

0.93 = 0.87/P(A)

P(A) = 0.87/0.93

P(A) = 0.935483870967742

which is 0.9355 to four decimal places

7 0
3 years ago
What is the solution to the linear equation d-10-2d+7=8+d-10-3d
bija089 [108]
D-10-2d+7 = 8 + d- 10 -3d
d-2d-10+7 = 8-10 +d -3d
-d-3=-2-2d
-d+2d=3-2
d=1

Final answer: C. d=1
8 0
3 years ago
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I need help with this problem too
liq [111]
132 drinks were in stock initially
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Which number is divisibly by both 3 and 4?
STatiana [176]
The answer is c) 118,764
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