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Virty [35]
3 years ago
13

(a) Reflect the point (-8, -6) across the x-axis

Mathematics
1 answer:
jekas [21]3 years ago
4 0

Answer:

(-8, 6)

Step-by-step explanation:

Reflecting across x axis = (x, -y)

-(-6) = 6

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Triangle MNP has vertices N(2, 2) and P(0, –2). The triangle is symmetric about the y-axis. What is the approximate measure of t
Evgesh-ka [11]
Point M of the triangle is (-2,2) to make triangle MNP as shown in the attached image

Triangle MNP has a base of 4 units and a height of 4 units. We can work out the angle x and angle y using trigonometry ratio

We use tan ratio to find both angles

Tan (x) = \frac{opposite}{adjacent}
Tan(x)= \frac{4}{2}
Tan(x)=2
Tan^{-1}(2)=63.43494882
Angle x=63.43

Tan(y)= \frac{opposite}{adjacent}
Tan(y)= \frac{2}{4}
Tan^{-1}(0.5)=26.56505118
Angle y=26.6

Angle MNP = Angle NMP = 63.43 degrees (this is based on the fact that the triangle is an isosceles triangle)

Angle MPN = 2×26.6 = 53.2 degrees (we multiply by 2 as angle y is only a half of angle MPN - as shown in the diagram)

3 0
3 years ago
Read 2 more answers
A cylinder has a base diameter of 16 feet and a height of 19 feet. What is its volume in cubic feet, to the nearest tenths place
qaws [65]

Answer:

3820.18

Step-by-step explanation:

5 0
3 years ago
What is 1 plus 2 plus 3.... plus 200?
Aneli [31]

Answer:

20100

Step-by-step explanation:

There are 200 numbers in this addition problem. To add this, we can do 1 + 200, 2 + 199, 3 + 198 and so on. All of these pairs have a sum of 201 and since there are 200 / 2 = 100 pairs the answer is 201 * 100 = 20100.

6 0
3 years ago
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Really confused and am on final attempt!
Flura [38]

Answer:

C

Step-by-step explanation:

the legs of a 30-60-90 triangle are 1 and \sqrt{3}, while the hypotenuse is 2.

the ratio of the legs is therefore 1 : \sqrt{3} → C



3 0
4 years ago
Solve by factoring<br> 6x^2 +13x -28 =0
Sauron [17]

Answer:

x=4/3 or x=-7/2

Step-by-step explanation:

(3x-4)(2x+7)

8 0
3 years ago
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