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astraxan [27]
3 years ago
14

How to do this question plz answer me step by ​

Mathematics
1 answer:
Jet001 [13]3 years ago
7 0

Answer:

481.92

Step-by-step explanation:

First find the increase

466.98 * 3.2%

466.98 * .032

14.94336

Add this to the original amount

466.98+14.94336

481.92336

Round to 2 decimal places

481.92

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Illusion [34]

Givens

base = b = 9

height = h = 4.5

Formula

Area = b * h / 2

Substitute

Area = 9 * 4.5 /2

Area = 40.5/2

Area = 20.25 Answer

6 0
3 years ago
Suppose a research paper states that the distribution of the daily sea-ice advance/retreat from each sensor is similar and is ap
strojnjashka [21]

Answer:

The value of the parameter is λ is 0.03692

Step-by-step explanation:

Consider the provided function.

f(x) = 0.5\lambda e^{-\lambda |x|} for −∞ < x < ∞.

It is given that standard deviation is given as 38.3 km.

Now we need to calculate the value of parameter λ.

The general formula for the probability density function of the double exponential distribution is: f(x)=\frac{e^{-|\frac{x-\mu}{\beta}|}}{2\beta}

Where μ is the location parameter and β is the scale parameter.

Compare the provided equation with the above formula we get.

\lambda=\frac{1}{\beta} and μ = 0.

Standard deviation = √2β

S.D=\sqrt{2} \beta\\\beta=\frac{38.3}{\sqrt{2}}\\\beta=27.08219

Now substitute the value of β in \lambda=\frac{1}{\beta}.

\lambda=\frac{1}{27.08219}=0.03692

Hence, the value of the parameter is λ is 0.03692

7 0
3 years ago
Find the distance from point a(0 5) to y=-3x-5
Allisa [31]

Try this option (see the attached picture):

1. to determine an equation of line y₁, which ⊥y and includes point a(0;5);

2. to calculate intersection point of y and y₁ (point B);

3. to calculate distance between the point A and B, using vectors properties.

5 0
3 years ago
Factor x^3+2x^2-9x-18, given that -2 is a zero.
Kisachek [45]

x³ + 2x² - 9x - 18 = 0

x²(x+2) - 9(x+2) = 0

(x + 2)(x² - 9) = 0

(x + 2)(x - 3)(x + 3) = 0

the answer is d.

4 0
4 years ago
If 7 of the same books cost £84, how many can be brought for £48
jolli1 [7]
The answer is 4 :)
hope it helps!! sorry if the answer is wrong

5 0
3 years ago
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