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marshall27 [118]
3 years ago
8

Someone please solve. I keep getting 66 but it's wrong.​

Mathematics
2 answers:
sashaice [31]3 years ago
7 0

The unlabeled part of the right angle is complementary to 68 degrees, so 22 degrees. y is supplementary to 78 degrees, so 102 degrees.  z as the third angle in the small triangle is 180 less than the sum of the other two,

z = 180 - 22 - 102

Answer: 56 degrees

atroni [7]3 years ago
7 0

Answer:

56 degrees.

Step-by-step explanation:

x = 180 - (68+78)

=  34 degrees  ( as there are 180 degrees in a triangle).

Consider the large right-angled triangle:

z = 180 - (90 + x)

= 180 - (90 + 34)

= 180 - 124

= 56 degrees.

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2 + (-10) =<br> HELP ME PLEASE T^T
Gala2k [10]

Answer:

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Step-by-step explanation:

This equals 10-2=8

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Step-by-step explanation:

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Step-by-step explanation:

8 0
3 years ago
A class of 37 students took a test worth 100 points. The five-number summary of their scores is 55, 67, 73, 81, 98. Identify the
tankabanditka [31]

Answer:

At least 18 students scored below a 67.

Step-by-step explanation:

Given the 5 number summary of scores obtained by 37 students in a test worth 100 points :

55, 67, 73, 81, 98

Minimum = 55

Q1 = 67

Q2 = 73

Q3 = 81

Maximum = 98

Q1 = first quartile = 25%

Atleast 25 % scored below 67 (True)

25% of 37 students = 0.25 * 37 = 9.25

Atleast 9 students scored below 67 (True)

Median, Q2 = 50%

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Third quartile = 75%

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Hence, atleast 25% scored above 81 (True)

The false statement is At least 18 students scored below a 67.

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