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3 years ago

I NEED THE CORRECT ANSWER TO THIS ASAP!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

anyanavicka [17]3 years ago

8 0

Answer:

Step-by-step explanation:

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Find the intersection of the following sets. a= 1,2,3,4,5,6,7,8 b= 2,4,6,8,10

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{2,4,6,8}

Intersection means common elements in both sets

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2 years ago

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3 years ago

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What is the image of (-3,-5)) after a reflection over the x-axis?

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2 years ago

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Find the area of △LKJ.

nirvana33 [79]

Answer:

$A=600\: u^{2}$

The correct answer is letter c.

Step-by-step explanation:

The area equation of a triangle is given by:

$A=\frac{bh}{2}$ (1)

Where:

b is the base

h is the height

Let's find first the angle MJK (α), using the tangent definition.

$tan(\alpha)=\frac{24}{32}$

$\alpha=tan^{-1}(\frac{24}{32})$

$\alpha=36.9^{\circ}$

Now, if α = 37° then β (angle JLK) must be:

$37^{\circ} + \beta + 90^{\circ}=180^{\circ}$

$\beta=53^{\circ}$

Now, we can find the distance ML using again the tangent definition:

$tan(\beta)=\frac{24}{ML}$

$ML=\frac{24}{tan(53)}$

$ML=18$

The base of the triangle LKJ will be:

$b=32+ML=32+18=50$

Therefore, using equation (1) the area of △LKJ will be:

$A=\frac{50*24}{2}$

$A=600\: u^{2}$

The correct answer is c.

I hope it helps you!

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3 years ago

Find thr value of x. express your answer in simplest radical form

Arte-miy333 [17]

11^2x11^2=x^2
121+121=x^2
242=x^2
Radical 242 = radical x^2
Full solved answer is 15.56

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2 years ago