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chubhunter [2.5K]
2 years ago
15

⚠️ HELP ⚠️

Mathematics
2 answers:
Alona [7]2 years ago
8 0
<h2>A = 63 degrees</h2><h2>B = 36 degrees</h2><h3></h3><h3>Since angle <em>a</em> is supplementary to the 117 degree angle, we subtract 117 from 180.</h3><h3></h3><h3>180 - 117 = <u>63</u></h3><h3><u></u></h3><h3>We use that information to calculate angle <em>b. </em>Since all angles in a triangle add up to 180 degrees, we add 81 and 63, and then subtract that sum from 180.</h3><h3></h3><h3>81 + 63 = 144</h3><h3>180 - 144 = <u>36</u></h3><h3><u></u></h3><h3><em>Please let me know if I am wrong.</em></h3>
Cloud [144]2 years ago
7 0

a=180-117=63

b=180-81-63=36

so angle a is 63, and angle b is 36

please mark brainliest

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Pls help pls pls pls.In a class of 50 students, 3/5 of the students study Maths, 3/10 of the students study English and rest stu
Zina [86]

Answer:

Step-by-step explanation:

No of students study math = 3/5 of 50 = 30

No of students study English = 3/10 of 50 = 15

Total = 30 + 15 = 45

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No of students study geography = 5

Fraction of geography to whole class = 5/45 = 9

3 0
3 years ago
1. At a leather shop, 50 leather jackets were sold in February. The shop keeper at the store wants to encourage the sales team t
podryga [215]

Answer:

65 shirts.

Step-by-step explanation:

50 is the amount of shirts sold in February.

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1.3(50)

65

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5 0
3 years ago
What is the population standard deviation of this data set?*
Minchanka [31]

Answer:

C)  2

Step-by-step explanation:

step 1:  Find mean of data set

2+4+4+5+7+8 = 30

30/6 = 5

Mean = 5

step 2: subtract each data value from the mean and square it

5-2 = 3;   3² = 9

5-4 = 1;   1² = 1

5-4 = 1;   1² = 1

5-5 = 0;   0² = 0

5-7 = -2;   (-2²) = 4

5-8 = -3;   (-3²) = 9

Add the squared results:

9+1+1+0+4+9 = 24

Divide 24 by 6 to get the Variance of 4

Take the square root of the Variance to get the Standard Deviation

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5 0
2 years ago
which of the following numbers is lowest or furthest to the left on the number line 48, 95, 21, 64, 53
Tamiku [17]

Answer: I am not to sure but I believe that the correct answer is 21


Step-by-step explanation: I believe this is the  correct answer because on the number line the numbers generally follow a sequenced order beginning with the lowest number and increasing towards larger numbers. The lowest number in this question is 21 and in the American systems we read left to right causing the number line to begin with the lowest number from the left and going to the right. The order would be 21, 48, 53, 64, 95.


3 0
2 years ago
Read 2 more answers
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OleMash [197]

Answer:

583 rounded to the nearest whole number

Step-by-step explanation:

other wise 583.3333333333333333333333333333

8 0
2 years ago
Read 2 more answers
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