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Marina86 [1]
3 years ago
6

Explain how you used mental math

Mathematics
2 answers:
andriy [413]3 years ago
4 0
Addition, I would use the principles of addition. 
DIA [1.3K]3 years ago
4 0
Addition is the correct answer
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I need help with this one
andreyandreev [35.5K]

The value of x from the given figure is 8

<h3>How to calculate the interior angle of a triangle</h3>

A triangle is a 2-dimensional shape with 3 sides an interior angle

Since the sum of the interior angles of a triangle is 180 degrees, hence;

8x - 4 + 76 + 44 = 180

8x + 116 = 180

8x = 180 - 116

8x = 64

x = 64/8

x = 8

Hence the value of x from the given figure is 8

Learn more on interior angle of a triangle here: brainly.com/question/8611232

4 0
3 years ago
Five pennies, 3 dimes, and 4 quarters are placed in a bag. What is the probability of selecting a penny and then a dime, given t
VashaNatasha [74]
There are 12 coins in the bag. For the first case, the probability that a penny is selected from the bag is 5/12 because there are 5 pennies in the bag. Also, the next one is 3/11. Multiplying the probabilities,
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3 years ago
Evaluate 125/1000√3 .<br><br> 25/200<br><br> 15/100<br><br> 3/25<br><br> 5/10
NeX [460]
I think that the answer is 25/200. hope it help??
4 0
3 years ago
Which of the following rules describes the function graphed below?
n200080 [17]

Answer:

D

Step-by-step explanation:

Output = 3*input - 2. Observe the graph again

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3 years ago
I know 63-34 =29 but what goes in the blocks below and what is the answer.​
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Step-by-step explanation:

4 0
3 years ago
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