Answer:
-2
is equal -2.75 as a decimal
Step-by-step explanation:
to take -2 to decimal, we take -2 and put point behind it. by doing so, becomes 300/4=75
Then we have -2.75
The given equations are:
1) 2y = -x + 9
⇒ x = 9-2y
2) 3x - 6y = -15
⇒3x = 6y - 15
x = 2y - 5
Equating the values of x, we get:
9 - 2y = 2y - 5
9 + 5 = 4y
14 = 4y
y = 3.5
Using this value of y in equation 1 we get:
x = 9 - 2(3.5) = 2
So, the solution set is (2, 3.5)
Equilateral triangle. because all sides are equal.
Black 20% 1/5
navy 25% 1/4
Brown 35% 7/20
other 20% 1/5
hope it helps!!
Answer: C. The temperature decreased by 6 degrees.
Step-by-step explanation:
From the question, we are informed that over a period of 4 hours, the outside temperature changed by an average of –1.5 per hour. The change over the 4 hours period will be:
= -1.5 × 4
= -6 hours.
The shows that the temperature decreased by 6 degrees.
