Answer:
x = -4
Step-by-step explanation:
5(4x+9)=-50+15
20x+45=-50+15
20x+45=-35
-45 -45
20x=-80
/20 /20
x=-4
Answer:
The measure of angle w is 76°
Step-by-step explanation:
Please, see the attached file.
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Answer: 28
Step-by-step explanation:
The 7th term of an AP is 4 and its common difference is -4. The 7th term of an arithmetic progression is written as:
a + 6d = 4
where,
a = first term
d = common difference= -4
a + 6d = 4
a + 6(-4) = 4
a - 24 = 4
a = 4 + 24
a = 28
The first term is 28.
B. The total cost depends on the number of roses purchased.
The answer is: - 11x^2 - 7x + 6