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max2010maxim [7]
3 years ago
7

/_A and /_B are complementary angles. Given that m /_A = 23 degrees, find m /_B​

Mathematics
1 answer:
OverLord2011 [107]3 years ago
6 0

Answer:

67

Step-by-step explanation:

When two angles are complimentary, it means that, together, they make a 90 degree angle.

/_A + /_B must equal 90°

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Step-by-step explanation:

75% of 8 is 6

multiply 8 by the decimal .75

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The private school enrollment of a city is 12.000. Enrollment is increasing at a rate of 4.5% annually. What would the
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2 years ago
A tree is broken at a height of 5 m from the ground and its top touches the ground at a distance of 12 m from the base of the tr
frozen [14]

Answer:

The original height of the tree is 18 m.

Step-by-step explanation:

Please see attached photo for explanation.

From the diagram, we shall determine the value of 'x'. This can be obtained by using the pythagoras theory as follow:

x² = 5² + 12²

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x² = 169

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x = √169

x = 13 m

Finally, we shall determine the original height of the tree. This can be obtained as follow.

From the question given above, the tree was broken from a height of 5 m from the ground which form a right angle triangle with x being the Hypothenus as illustrated in the diagram.

Thus, the original height of the will be the sum of 5 and x i.e

Height = 5 + x

x = 13 m

Height = 5 + 13

Height = 18 m

Therefore, the original height of the tree is 18 m.

3 0
3 years ago
Which situation represents the equation: 5x - 18 = 42
Nookie1986 [14]
The correct answer is C. She makes an amount of money per hour x, then she works five hours so 5x, she then spends 18 on pizza so 5x-18, and then has 42 left over. 5x-18=42
3 0
3 years ago
Solve for x.
Lunna [17]
8 - 3x - x = 12
8 - 2x = 12
-2x = 12 - 8
-2x = 4
x = -2
7 0
3 years ago
Read 2 more answers
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