What's the answer for this? Explain

Mathematics

2 answers:

alexandr402 [8]3 years ago

6 0

Exterior angle is equal to sum of interior opposite angles hence,

req. angle = 80 + 62 = 142

Svetach [21]3 years ago

4 0

Since it is a angle on a straight line, it is basicly as simple as:

180-38=142 degrees

As there is space for half a circle above a straight line. :)

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What is the fraction 2 over 3 written in decimal form!!!!!!!!!

vodomira [7]

This is a number you will have memorized in grade school. If not, you can always perform long division of 2 by 3 to find it---or ask your calculator.

2/3 = 0.6666_6 . . . . . . repeating 6s indefinitely

____
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3 0

3 years ago

In a class where there are a total of 80 pupils, 20 are girls and the remaining

babymother [125]

Answer:

75%

Step-by-step explanation:

First find the number of boys.

80 - 20 = 60

Now find the percentage my taking the number of boys upon the total, times that by 100 which gives the percentage.

$\frac{60}{80}$ × 100 = 75%