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Alexandragurule18
24.05.2021 •
Mathematics
In ΔMNO, the measure of ∠O=90°, OM = 69 feet, and NO = 16 feet. Find the measure of ∠N to the nearest tenth of a degree.
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Ответ:
Answer- 26.6°
Explanation- tan-1(1.8/3.6)=26.56°
Ответ:
We should use 4 pounds of $6 coffee and 2 pounds of $3 coffee for the blend.
Step-by-step explanation:
The blend should,
Cost = $5
Weigh = 6 pounds.
Lets take the weight of $6 coffee as
pounds
And lets take the weight of $3 coffee as
pounds.
Lets write an equation for the weight of the blend,
=![6x+3y=5x+5y](/tpl/images/0058/0410/a0f50.png)
=
<---------- 2nd equation
We can substitute to x in 1st equation from 2nd equation,
⇒![2y+y=6](/tpl/images/0058/0410/e1240.png)
=![2y+y=6](/tpl/images/0058/0410/e1240.png)
=![3y=6](/tpl/images/0058/0410/22fed.png)
=![y=2](/tpl/images/0058/0410/80bdd.png)
We can substitute y value to 2nd equation to find x,
⇒![x=2y](/tpl/images/0058/0410/4f810.png)
=
=![x=4](/tpl/images/0058/0410/ea878.png)
Therefore, we should use 4 pounds of $6 coffee and 2 pounds of $3 coffee for the blend.