<h3>
Answer: 29 miles (approximate)</h3>
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Explanation:
Segment AB is already given to be 19 miles long.
I'm assuming your teacher meant to ask about side BC, which is side 'a' since it's opposite angle A.
Use the law of cosines to find the missing side
a^2 = b^2 + c^2 - 2*b*c*cos(A)
a^2 = 12^2 + 19^2 - 2*12*19*cos(138)
a^2 = 843.874040417691
a = sqrt(843.874040417691)
a = 29.0495101579647
a = 29 when rounding to the nearest whole number
Side BC is roughly 29 miles long.
Answer: 8%
Step-by-step explanation:
Answer:
312 miles per day
Step-by-step explanation:
936 miles in 3 days is ...
(936 mi)/(3 da) = 312 mi/da
Each day the family drove 312 miles.
The statement is true, but the inverse is false.
Anything below 90<span>° is a acute angle, so any degree between 1 and 90 is acute. Meaning if it inverse doesn't equal 43</span>°, but can be 44<span>° for example, it can be acute.</span>
Answer:
24 / 7
Step-by-step explanation:
y - 4(2y - 5) = -4
y - 8y + 20 = -4
-7y = -24
7y = 24
y = 24/7,
y = 3 and 3/7
or
y = 3.428571 all recurring
(they are all the same value in different forms I would just write 24/7)