I hope this helps you
x=-1/2 y
-1/2 y -3/2 y=4
-1-3/2 y=4
-4/2 y=4
y= -2
x= -1/2. (-2)
x= 1
1/4 x 2
1. Set up the problem,
1/4 x 2/1
2. Flip the second fraction, so it'll turn into 1/2
3. Multiply straight across
1/4 x 1/2 = 1/8
1/8 Would Be The Answer.
Answer:
The mean temperature for March is higher than January's mean.
Step-by-step explanation:
I took the test. trust me and you will be set free ;D
Answer:
The other angle is 60°
Their ratio is 1 : 2
Step-by-step explanation:
Let us revise some special angles
A pair of complementary angles is two angles their sum is 90°
A pair of supplementary angles is two angles their sum is 180°
In the question
∵ One angle of the pair of complementary angle = 30°
∵ The sum of the two complementary angles = 90°
→ Subtract 30° from 90° to find the other angle
∴ The other angle = 90° - 30° = 60°
∴ The other angle is 60°
To find the ratio of them put them in the form of the ratio, then simplify the ratio to its simplest form
∵ Their ratio = 30 : 60
→ Divide both sides by 10
∴ Their ratio = 3 : 6
→ Divide both sides by 3
∴ Their ratio = 1 : 2
∴ Their ratio is 1 : 2
