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tester [92]
2 years ago
13

Write two equivalent expressions that represents the situation . What is the difference in their Elevations? And airplane flies

an altitude of 45,000 feet. A submarine a diverse to a depth of 800 feet below sea level.
Mathematics
1 answer:
Alina [70]2 years ago
3 0

Answer:

1. 45,000 - 800= the difference

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jolli1 [7]
The answer is 39 degrees
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2 years ago
Pleaseee helpp answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!
amm1812

Answer:

5

Step-by-step explanation:

√(-4+9)^2+(6-6)^2

√25+0

=5

5 0
2 years ago
Find the distance between the points (-5, -7) and (-4 -8)
Margarita [4]
It should be the square root of 2 (~1.141)
6 0
3 years ago
A) Let X be a random variable that can assume only positive integer values, and assume its probability function is P(X -n) A/3^n
kramer

Answer:

a) The value of A = 2

b) The value of B  = \dfrac{1}{12}

Step-by-step explanation:

a)

Given that:

X should be the random variable that assumes only positive integer values.

The probability function; P[X = n] = \dfrac{A}{3^n} for some constant A and n ≥ 1.

Then, let \sum \limits ^{\infty}_{n =1} P[X =n] = 1

This implies that:

A \sum \limits ^{\infty}_{n =1} \dfrac{1}{3^n}= 1

A \times  \dfrac{\dfrac{1}{3}}{1 - \dfrac{1}{3}} = 1

A \times  \dfrac{\dfrac{1}{3}}{\dfrac{2}{3}} = 1

A \times \dfrac{1}{2}=1

A = 2

Thus, the value of A = 2

b)

Suppose X represents a e constant A (n> 1). Find A.

b) Let X be a continuous random variable that can assume values between 0 and 3

Then, the density function of x is:

f_x(x) = \left \{ {{B(x^2+1)}   \ \ \ 0 \le x \le 3  \ \ \ \atop {0} \ \ \ otherwise} \right.

where; B is constant.

Then, using the property of the probability density function:

\int ^3_0 \ B (x^2+1 ) \ dx = 1\\

Taking the integral, we have:

B \Big [\dfrac{x^3}{3} +x \Big ]^3_0 = 1

B \Big [\dfrac{3^3}{3} +3 \Big ]= 1

B \Big [\dfrac{27}{3} +3 \Big ] = 1

B [ 9 +3 ] = 1

B [ 12 ] = 1

Divide both sides by 12

B  = \dfrac{1}{12}

5 0
3 years ago
Can someone help, please
Allisa [31]

Answer:

\frac{9}{5}

Step-by-step explanation:

the slope is the change in y over the change in x

From the points given, your y's are 10 and 1.  

From the points given, your x's are 7 and 2.  To find the changes subtract them.

\frac{10-1}{7-2} = \frac{9}{5}

4 0
11 months ago
Read 2 more answers
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