Answer:
59.0303 miles per hour
Step-by-step explanation:
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▹ Answer
<em>g = 87</em>
▹ Step-by-Step Explanation
-34 = -2(g - 70)
<u>Divide both sides</u>
17 = g - 70
<u>Rearrange the terms</u>
-g + 17 = 70
<u>Calculate</u>
-g = -87
<u>Change the signs</u>
g = 87
<u>Final Answer</u>
g = 87
Hope this helps!
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Answer:
2y=5x+2c
Step-by-step explanation:
Theorem of cosine:
a²=b²+c²-2bc(cos α) ⇒cos α=-(a²-b²-c²) / 2bc
In this case:
a=15 cm
b=10 cm
c=5 cm
cos α=-(15²-10²-5²) / 2*10*5
cos α=-100 / 100
cos α=-1
A=arc cos -1=180º This is impossible, because:
A+B+C=180º; then B=C=0º This is impossible for make a triangle (B>0 and C>0 if we want to make a triangle).
Therefore: it is not possible can make a triangle with side lengths of 5 cm, 10 cm and 15 cm.
