7x - 2 PLEASE HELP I NEED ANSWERS NOW
1 answer:
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Answer:
Here's what I get.
Step-by-step explanation:
The formula for rotation of a point (x,y) by an angle θ about the origin is
x' = xcosθ - ysinθ
y' = ycosθ + xsinθ
If θ = 270°, sinθ = -1 and cosθ = 0, and the formula becomes
x' = y
y' = -x
A: (-3,4) ⟶ (4,3)
B: (-1,2) ⟶ (2,1)
C: (-2,0) ⟶ (0,2)
The vertices of A'B'C' are (4,3), (2, 1), and (0, 2).
The Figure below shows the triangle before and after the rotation.
Answer:
The only correct options are A, B and E.
Step-by-step explanation:
He buys pounds of flour, 12 ounces of coconut, and
pounds of sugar.
We will add these together, but before that, we convert the 12 ounces to pounds, so that all the units are the same:
1 ounce = 0.0625 pounds
12 ounces = 12 * 0.0625 = pounds
He buys pounds of coconut.
Adding all of them together yields:
+
+
=
pounds
Let us also convert to ounces:
/ 0.0625 = 56 ounces
Let us also convert 1/2 pound to ounces:
1/2 / 0.0625 = 8 ounces
Hence, the total weight of ingredients that Dwayne bought is pounds or 56 ounces or 3 pounds 8 ounces
Hence, options A, B and E are correct.
Answer:
Addition property of equality
Step-by-step explanation:
The given expression is :
We need to find the first step to solve this expression.
For this, we add 3/4 to both sides of the equation i.e.
So, we have used the addition property of equality.