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zlopas [31]
3 years ago
10

Copy the diagram and calculate the sizes of x°, yº and zº. What is the sum of the angles of the

Mathematics
2 answers:
Dominik [7]3 years ago
5 0

Answer:

180

Step-by-step explanation:

to find angle :

x =180 - 150=30

y =180-80=100

z = 180-130=50

so, 30+50+100=180

artcher [175]3 years ago
4 0
Angle x = 30 degrees
Angle y= 100 degrees
Angle z = 50 degrees
Sum of the angles = 180 degrees
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Answer:

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3 years ago
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7 0
3 years ago
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What is the positive root of the equation x 2 + 5x = 150?
Komok [63]
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7 0
3 years ago
Read 2 more answers
×
german

Let

x------> hours worked by Sara last week

y------> hours worked by Joan last week

z------> hours worked by Erin last week

we know that

x=28 hours ------> equation 1

y=x-6-----> equation 2

substitute the value of x in equation 2

y=28-6=22 hours

z=y/2------> equation 3

substitute the value of y in the equation 3

z=22/2=11 hours

<u>the answer is</u>

Sara worked 28 hours last week

Joan worked 22 hours last week

Erin worked 11 hours last week

4 0
3 years ago
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