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Karo-lina-s [1.5K]
3 years ago
11

2280÷60 how to work it out

Mathematics
1 answer:
Arturiano [62]3 years ago
4 0
You could do 228/6 = 38 

2280/60 = 38

hope this helps you
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Please help me too in if sin w=-0.5 and w is a degree measure in the third quadrant, find w.
MissTica
Do you remember your unit circle? If sin ω = was -1/2, then it would be 7<span>π/6. If you're unfamiliar with the unit circle, we can derive it.

So, you know that sin is OPPOSITE/HYPOTENUSE, and it's in the third quadrant, where x and y would be negative. If sin </span>ω = -1/2, that means that ω = 1/sin*(-1/2), or sin^(-1)*(-1/2). Let's ignore the negative for now and plug sin^(-1)*(-1/2) into your calculator in radians. You get (1/6)π. But that's in Quadrant 1. We want it in Quadrant 3.

In one complete revolution, or 360°, there are 2π radians. That means, if you want to rotate it 180°, you need to add π to what you originally got.
π+(1/6)π=(7/6)π.

I highly recommend you memorize the unit circle if you haven't already, because you'll need it from Precalculus on.
6 0
3 years ago
Find the area of the figure
VLD [36.1K]

Answer:

132 cm²

Step-by-step explanation:

Consider the shape as a trapezoid with a rectangle added on top.

The area of the trapezoid is (7+19)/2 × 8 =104

The area of the rectangle is 7×4 = 28

Add the two areas: 104+28= 132

OR consider the shape as a tall rectangle with the two triangles added to the sides.

The area of the rectangle is 7(4+8) = 84

The area of the triangles is 8(19-7)/2= 48

[Each triangle is 24 cm²]

Add those areas

84+48=132

Same result: 132 cm²

4 0
2 years ago
What is the formula of CP​
agasfer [191]

Answer:

CP= SP*100\100+profit percent

CP=SP*100/100-loss percent

Step-by-step explanation:

i hope you have understood

4 0
3 years ago
The table below shows the outputs y for different inputs x:
igor_vitrenko [27]
Part A)
The table doesn't represent y as a function of x.
Why? <span>One reason is that 1 or 3 is the first element in more than one ordered pair.
 Part B)
f(x) = 10x + 20
f(120)= 10*120 + 20 = 1200 + 20 = 1220 
</span><span>f(120) represents cost of boating for 120 hours.</span><span>
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3 0
3 years ago
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Which budget categories help a family meet its basic needs?
mario62 [17]
The answers to your question would be A. Housing B. medical expenses C. Groceries
3 0
3 years ago
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