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dlinn [17]
3 years ago
6

Steve spent 45 minutes on his history homework and 1 hour on his math homework. He talked on the phone for 15 minutes and then w

as driven to his hockey practice. The drive took 20 minutes. His hockey practice started at 6:30 p.m. What time did Steve start his history homework?
 A.4:10  B.4:50  C.5:10  D.8:50
Mathematics
2 answers:
alekssr [168]3 years ago
8 0
6:30
- :20
----------
6:10
- :15
---------
5:55
- 1:
----------
4:55
- :45
--------
4:10 was when he started history
Charra [1.4K]3 years ago
3 0
Ur answer is : 4:10 AKA,  APLEASE MARK ME AS BRAINLIEST CAUSE I'VE NEVER GOT BRAINLIEST BEFORE. 
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The measure of first angle is 34 degrees and measure of second angle is 56 degrees

<em><u>Solution:</u></em>

Given that, the exterior sides of two adjacent angles make a right angle

Therefore, these adjacent angles forms 90 degrees

Let the second angle be "x"

The first angle has a measure that is six more than half the second

Therefore,

first angle = 6 + half of "x"

\text{ first angle } = 6 + \frac{x}{2}

Since these two angles forms 90 degrees,

first angle + second angle = 90

x + 6 + \frac{x}{2} = 90\\\\\frac{2x + 12 + x}{2} = 90\\\\2x + 12+x = 180\\\\3x + 12 = 180\\\\3x = 180 - 12\\\\3x = 168\\\\x = 56

<em><u>Therefore, first angle is:</u></em>

\rightarrow 6 + \frac{56}{2} = 6 + 28 = 34

Thus measure of first angle is 34 degrees and measure of second angle is 56 degrees

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Step-by-step explanation:

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