QueenBlumple4443
26.07.2019 •
Mathematics
One acute angle of a right triangle is 4 degrees larger than twice the other acute angle. what are the measures of the acute angles?
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Ответ:
Together they must equal 90, because its a right triangle and one angle is 90
2X+4=Y
X+Y=90
Solve for Y
Y=90-X
Set the Y's equal to each other
2X+4=90-X
Isolate the X
3X=86
X=~28.66
Y=~61.34
Ответ:
1. 7.
2. 6.
3, 27
Step-by-step explanation:
1. The fourth positive odd integer is 7. ( 1 3 5 7).
2. 0! 1! 2! 3!,
The 4th in the list is 3! and this has a value of 3*2*1 = 6.
3. 3, 9, 15, 21, 27
the fifth number is 27.