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fiasKO [112]
3 years ago
13

Plz help I need help

Mathematics
1 answer:
maxonik [38]3 years ago
6 0

`Answer:

Step-by-step explanation:

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Hector and Evelyn are solving the following problem. Find x,y, and z in this 45-45-90 triangle.
Murljashka [212]

Answer: A. They are both incorrect

Step-by-step explanation:

x=3√2

y=6

z=3√2

-----------------------

45-45-90=1:1:√2

------------------------

solve for x

x is the side accordingly to 90 in the smaller triangle, so it should be the [45] side times √2

3×√2=3√2

-----------------------

solve for y

y is the side accordingly to 90, so it should be the [45] side times √2

3√2×√2=6

----------------------

solve for z

z is the side accordingly to 45 in the bigger triangle, x is also accordingly to 45 in the bigger triangle

z=x

z=3√2

8 0
3 years ago
Ms. McClain conducted an experiment
joja [24]

Answer:  1

Step-by-step explanation:

Experimental probability is the actual result you get from an experement.

Theoretical probability is the change that you will get that result.

(for example: flipping a coin, the Theoretical probability is 50/50 but after testing the Experimental probability might be 47/53)

therefore,

1/6 is the Theoretical probability because you are using a six-sided number cube.

for the Theoretical probability and the Experimental probability to be the same, the fraction of the roll must equal 1/6.

1/6 equals 8/48.

therefore, since the numbers 1 and 6 were both rolled 8 times out of 48 they are consistant with the Theoretical probability of 1/6.

6 is not one of the answer choices listed so 1 must be your answer.

 

8 0
3 years ago
Help me find m and n please
nekit [7.7K]

Answer:

n is 68 and m is 44

Step-by-step explanation:

5 0
3 years ago
Guys plz help i’m struggling
Blababa [14]

Answer:

0.46017

Step-by-step explanation:

Given :

Mean score = 75

Standard deviation, s = 10

Areum's score = 76

Probability of scoring higher than Areum is given by :

P(x > 76)

The standardized score : (x - mean) / standard deviation

P(x > 76) = P[Z > (76 - 75) / 10]

P[(Z > 0.1)] = 0.46017 (Z probability calculator)

= 0.46017

4 0
3 years ago
Find all angles, 0º &lt; 0 &lt; 360°, that solve the following equation.<br> cos 0 = 1
Annette [7]

Tbh not completely sure but I think its 180 .

8 0
3 years ago
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