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Phoenix [80]
3 years ago
12

Proportional or non proportional?

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0

Answer:

proportional

Step-by-step explanation:

all are multiplied by 3

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3^x+3^x =54 what's the value of x ?​
AnnyKZ [126]

Answer:

x = 3

Step-by-step explanation:

if you need an explanation let me know

7 0
1 year ago
Read 2 more answers
Calculus question....does anyone know how to solve this?
iogann1982 [59]
h(x)=(f\circ g)(x)
\sqrt{x+5}=\sqrt{g(x)+2}
x+5=g(x)+2
g(x)=x+3

Just to check this is correct:

(f\circ g)(x)=f(g(x))=f(x+3)=\sqrt{(x+3)+2}=\sqrt{x+5}=h(x)
6 0
3 years ago
In Vancouver, British Columbia, the probability of rain during a winter day is 0.42, for a spring day is 0.23, for a summer day
nadezda [96]

Answer:

31.82% probability that this day would be a winter day

Step-by-step explanation:

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening

In this question:

Event A: Rain

Event B: Winter day

Probability of rain:

0.42 of 0.25(winter), 0.23 of 0.25(spring), 0.16 of 0.25(summer) or 0.51 of 0.25(fall).

So

P(A) = 0.42*0.25 + 0.23*0.25 + 0.16*0.25 + 0.51*0.25 = 0.33

Intersection:

Rain on a winter day, which is 0.42 of 0.25. So

P(A \cap B) = 0.42*0.25 = 0.105

If you were told that on a particular day it was raining in Vancouver, what would be the probability that this day would be a winter day?

P(B|A) = \frac{0.105}{0.33} = 0.3182

31.82% probability that this day would be a winter day

6 0
3 years ago
If sin 0=7/25, use the Pythagorean identity to find cos 0
dmitriy555 [2]
3+x=23t therefore the answer should be D


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3 years ago
Rewrite 2/7 and 1/4 so they have a common denominator
Zolol [24]
I think it’s 2/7=8/28 1/4=7/28
8 0
2 years ago
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