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Sophie [7]
3 years ago
13

Show all your working please​

Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

45 cm²

Step-by-step explanation:

area = ½×11×13×sin 39°

= 71.5 × 0.6294

= 45 cm²

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v = h/t + 16t

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Find the lowest common denominator of and . A. x3y4 B. x2y3 C. xy4 D. x4y5
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Lowest Common Denominator refers to lowes t common multiple. These expressions have two terms 'x' and 'y' and we want to choose the expression that has the highest power such that the other expressions can be multiplied into the common denominator.

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Common denominator of A, B, C, and D: x⁴y⁵




5 0
3 years ago
Consider the enlargement of a triangle that has a scale factor of 7.5.
Illusion [34]

Answer:

Step-by-step explanation:

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Plz help for brianly
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Step-by-step explanation:

4 0
3 years ago
A circle has a circumference of 6. It has an arc of length 17/3. What is the central angle of the arc, in degrees?
zepelin [54]

Answer:

340 degrees

Step-by-step explanation:

So the key thing here is to notice that we are given the circumference which will allow us to find a value for the radius of the circle and hence the angle subtended by the arc (the central angle).

So the circumference of a circle = 2pi(r)

This means:

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Which means that

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Now we can use this value of r to find our angle in conjunction with the value of the arc length. So:

Arc length is defined by: length = θr

Where θ is our angle value.

So lets plug in:

\frac{17}{3} = (angle)\frac{3}{\pi }

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Divide by 3 to get that:

θ = 17pi/9

So if we convert that from radians to degrees we get 340 degrees.

7 0
2 years ago
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