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Flauer [41]
3 years ago
11

Find the area for a trapezoid 9.85 m 15 m 11 m 9 m

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
7 0

Answer:

total area = 99m² + 39.4m²

= 138.4m²

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HELP PLEASE
jonny [76]

All you need is the definition of conditional probability:

P(A\mid B)=\dfrac{P(A\cap B)}{P(B)}

So

P(C\mid D)=\dfrac{P(C\cap D)}{P(D)}\iff0.26=\dfrac{P(C\cap D)}{0.22}\implies P(C\cap D)=0.0572

P(D\mid C)=\dfrac{P(C\cap D)}{P(C)}\iff0.17=\dfrac{0.0572}{P(C)}\implies P(C)\approx0.34

and the answer would be B.

7 0
4 years ago
Read 2 more answers
Suppose that $12,724 is invested at an interest rate of 6.1% per year, compounded continuously. Find the exponential function th
olchik [2.2K]

Answer:

Exponential Function: A= P* e ^ {0.061t}

Balance after

t=1 $ 13,524.32

t=2 $ 14,374.99

t=5 $ 17,261.69

t=10 $ 23,417.64

Step-by-step explanation:

Formula used to find amount in the account after time t, given the interest rate is compounded continuously

A= Pe^r^t

where: P= principal amount or amount invested

r= interest rate

t= time

A= amount after time t

in our question we are given:

P=$12,724

r= 6.1% or 0.061

A= 12724 * e ^ (^0^.^0^6^1^)^t

The above equation is exponential function that describes the amount in the account after time t in years

Now, for t = 1

A= 12724 * e ^ {0.061 * 1}

A= $ 13,524.32

t=2

A= 12724 * e ^ {0.061 * 2}

A= $ 14,374.99

t= 5

A= 12724 * e ^ {0.061 * 5}

A= $ 17,261.69

t=10

A= 12724 * e ^ {0.061 * 10}

A= $ 23,417.64

7 0
4 years ago
Find the percent of decrease from $60 to $48. Round the percent to the nearest tenth if necessary.
Rom4ik [11]

Answer: 20%

Step-by-step explanation: Basically you find the difference which is twelve, and put it over the original amount which is 60. You get 1/5 which in percent form is 20%

3 0
3 years ago
If x^2= 20 what is the value of x
guajiro [1.7K]

x^2 = 20.

sqrt(x^2) = sqrt(20)

x = +- 2sqrt(5)

Answer:

2\sqrt{5} and -2\sqrt{5}

3 0
3 years ago
Read 2 more answers
Hannah completed 1/5 of a worksheet in 1/4 of an hour. How much of a worksheet will she complete in one hour?
Molodets [167]
Answer: 4/5
1/5 worksheet is done for every 1/4 hour
1/4 = 1/5
2/4 =2/5
3/4 = 3/5
4/4 = 4/5
4 0
3 years ago
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