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3 years ago

11. Find the missing number 1:2 = 3: O A. 2 OB. 1 OC.3 OD. 6

Mathematics

2 answers:

Harman [31]3 years ago

7 0

Answer:

c. hhhhhhhhhhhhuhuuuuuuuuuuuuuuuuuuuuu

Ilia_Sergeevich [38]3 years ago

3 0

Yh I think the missing number will be 6 because they are equivalent to 1:2

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Find the area of △LKJ.

nirvana33 [79]

Answer:

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

<u>The correct answer is letter c.</u>

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

a piece of wood weighing 10 ounces is found to have a weight of 8 ounces after drying. the moisture content was:

tiny-mole [99]

Moisture content should be the difference of the weight of the object wet (10 oz.) and the weight of the object when it was dry(8 oz.)
So,
10 oz. - 8 oz. =moisture content, or 2 oz.

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find the measure of the angle of the radius of the circle is 4 inches and the length of the arc is 8 pi.

NeTakaya

Since the angle is in radians, then s = rθ.

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dmitriy555 [2]

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