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3 years ago

Which word describes a change or event that has happened because of another change or event?

Mathematics

2 answers:

olga nikolaevna [1]3 years ago

8 0

Answer:

effect

Step-by-step explanation:

zloy xaker [14]3 years ago

3 0

The effect ex. Because I did not do my homework this (effected) my grade
Hope this helps!!

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A company studied the number of lost-time accidents occurring at its Brownsville, Texas, plant. Historical records show that 9%

umka21 [38]

Answer:

a) $P(Current year and last year)=0.15x0.09=0.0135=1.35\%$

b) $P(Last year U Current year)=0.09+0.08-0.0135=0.1565=15.65\%$

Step-by-step explanation:

Conditional probability is the probability of one event occurring with some relationship to one or more other events.

The total probability rule (or the Law of Total Probability) breaks up probability calculations into distinct parts. P(AUB)=P(A)+P(B)-P(A and B)

The general multiplication rule formula is: P(A ∩ B) = P(A) P(B|A)=P(B)P(A|B)

We have the following probabilities:

$P(Lastyear)=0.09=9\%$

$P(Currentyear)=0.08=8\%$

$P(Currentyear | Lastyear)=0.15=15\%$

Part a

We can use this multiplication rule:

$P(A and B)=P(B|A)(A)=P(A|B)P(B)$

For this part we want this probability:

$P(Current year and last year)=P(Current year|Last year)P(Last year)$

And if we replace we got:

$P(Current year and last year)=0.15x0.09=0.0135=1.35\%$

Part b

For this part we want the probability of one event in last year OR one event on the current year, so we can use the probability addition of events:

$P(AUB)=P(A)+P(B)-P(A and B)$

And for our case we have:

$P(Last year U Current year) = P(Last year)+P(Current year)-P(Last year and Current year)$

$P(Last year U Current year)=0.09+0.08-0.0135=0.1565=15.65\%$

6 0

3 years ago

In ΔUVW, the measure of ∠W=90°, the measure of ∠U=27°, and WU = 9.7 feet. Find the length of VW to the nearest tenth of a foot.

Inessa [10]

Answer:

4.9 feet

Step-by-step explanation:

5 0

3 years ago

At the ABC Electronics Store, a laptop computer was marked down 15% from its original price of $900. A store employee gets an ad

ludmilkaskok [199]

The answer is $612. You have to times by 0.85, then times by 0.8

7 0

3 years ago

A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t) = 60t - 16t^2 . What i

svetoff [14.1K]

Answer:

56.25 feet.

Step-by-step explanation:

h(t) = 60t - 16t^2

Differentiating to find the velocity:

v(t) = 60 -32t

This equals zero when the ball reaches its maximum height, so

60-32t = 0

t = 60/32 = 1.875 seconds

So the maximum height is h(1.875)

= 60* 1.875 - 16(1.875)^2

= 56.25 feet.

6 0

4 years ago

Read 2 more answers

Find the zeros of the quadratic equation-<br> v(5v-7)=0

vovangra [49]

Answer:

Step-by-step explanation:

v(5v-7)=0

We multiply parentheses

5v^2-7v=0

a = 5; b = -7; c = 0;

Δ = b2-4ac

Δ = -72-4·5·0

Δ = 49

The delta value is higher than zero, so the equation has two solutions

We use following formulas to calculate our solutions:

v1 = −b−√Δ/2a

v2 = -b+√Δ/2a

√Δ = √49 = 7

v1 = -(−7)−7/2*5 = 0/10 = 0

v2 = -(−7)+7/2*5 = 14/10 = 1+2/5

3 0

3 years ago