Is -4 greater then or less then -5
2 answers:
Answer: -4 is greater than -5
To understand why, let’s look at a number line.
In the image provided, we can see that -4 is 4 units away from zero and -5 is 5 units away from zero. It may be confusing at first, but negative numbers that are closer to zero are going to be greater than numbers that are not as close to zero.
Number lines are a great tool especially when introducing integers because they help you visualize what’s going on.
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Answer: ∠1 = 109° ∠2 = 71°
<u>Step-by-step explanation:</u>
If the two angles form a linear pair, then their sum is 180°
∠1 + ∠2 = 180°
(5x + 9) + (3x + 11) = 180
8x + 20 = 180
8x = 160
x = 20
∠1 = 5x + 9
= 5(20) + 9
= 100 + 9
= 109
∠2 = 3x + 11
= 3(20) + 11
= 60 + 11
= 71
<u> CHECK:</u>
∠1 + ∠2 = 180°
109° + 71° = 180°
180° = 180°
- We need to rearrange this into
- Subtract 14x from both sides
- Divide both sides by 2
- Divide both sides by 9
- Plot the point (0, 63/9)
- Then pick some x values and put them into the equation to find the respective y values
- Then plot those points
- Finally join up those points
A sphere with radius has surface area
. Divide the radius by 6 and you get a surface area of
, so that the final surface area is divided by 36.