Help me find the answers to this math problem

Mathematics

1 answer:

Arisa [49]3 years ago

5 0

Answer:

They are not congruent

Step-by-step explanation:

In order to be congruent their angles have to be the same and angle A (60º) and D (40º) are different

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Can you help please?

sdas [7]

Answer:

i think that the one that you are on is correct

Step-by-step explanation:

7 0

3 years ago

Find the unit rate for 521 miles in 14 hours.

WITCHER [35]

The answer is 37.21 miles per hour.
Hope this helps!!

8 0

3 years ago

Read 2 more answers

Mary walks 4 miles north and then turns and walks 5 miles west. How far is she from her original starting point?

dusya [7]

Answer: 6.403 miles; or, write as: 6.403 mi. .
__________________________________________________
Explanation:
_________________________________________________

5
--------------------------------------------
`   right angle   |_ |
` (right triangle ) |
   `    | 4
`       |
`
"c" ` \
(hypotenuse)     Starting point

__________________________________________________
Since we have a "right triangle, we solve for "c"; using the
"Pythagorean theorem" ;
_______________________________________________________
→ a² + b² = c² ; Solve for "c" ; our answer (in "miles"; or, "mi.") ;
__________________________________________________
Given : a = 4; b = 5 ;
____________________________
Plug these known values into our equation:
________________________________________
→ 4² + 5² = c² ;
____________________________
→ 16 + 25 = c² ; ↔ c² = 16 + 25 ;
______________________________
→ c² = 41 ;
_______________________________
→ Take the positive square root of each side of the equation (since the side of a "triangle" cannot be "negative";
__________________________________
→ √(c²) = √(41) ;
_____________________________
→ c = √41 ; Use calculator;
________________________________
→ c = 6.40312423743 ; Round to:

→ c = 6.403 miles; or, 6.403 mi.
__________________________________________

5 0

3 years ago

Travelers who fail to cancel their hotel reservations when they have no intention of showing up are commonly referred to as no-s

notsponge [240]

Answer:

a) 0.0523 = 5.23% probability that at least two of the four selected will turn to be no-shows.

b) 0 is the most likely value for X.

Step-by-step explanation:

For each traveler who made a reservation, there are only two possible outcomes. Either they show up, or they do not. The probability of a traveler showing up is independent of other travelers. This means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$