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3 years ago

Can someone please exlpain how to do this???

Mathematics

1 answer:

lana66690 [7]3 years ago

8 0

Answer:

40. A c=60

41 B z= 40

Step-by-step explanation:

The sum of the angles in a triangle is 180

40. 61+59+c = 180

Combine like terms

120+c = 180

c = 180-120

c =60

41. 90+50+z = 180

140 +z = 180

z = 180-140

z = 40

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4 years ago

Read 2 more answers

1 1/3 divided by 3 + 1/3

Phantasy [73]

The first step to solve this problem is to convert the first mixed number to an improper fraction.
$\frac{4}{3}$ ÷ 3 + $\frac{1}{3}$
Dividing is equivalent to multiplying with the reciprocal value,, so next you will need to change the signs.
$\frac{4}{3}$ x $\frac{1}{3}$ + $\frac{1}{3}$
Multiply the fractions
$\frac{4}{9}$ + $\frac{1}{3}$
Finally,, add the two fractions together to get your final answer
$\frac{7}{9}$
This means that the correct answer to your question is $\frac{7}{9}$ .
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