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3 years ago

What is 26/8 written as a mixed number

Mathematics

1 answer:

elixir [45]3 years ago

8 0

$\frac{26}{8}=\frac{26:2}{8:2}=\frac{13}{4}=\frac{12+1}{4}=\frac{12}{4}+\frac{1}{4}=3\frac{1}{4}$

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Please help me on math homework! File attached! :D

r-ruslan [8.4K]

Use pythagorena theorme

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D= $\sqrt{16+25}$
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2 years ago

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36 divided by 2^2 - 4 * 2 = 36 divided by ___ -4 *2 = ___ -4 * 2 = ___ -8 = ___

cricket20 [7]

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2 years ago

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Using the Distributive Property to factorize the equation 3x^2 + 24x = 0, you get _____The solution of the equation is _____

stiv31 [10]

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3 years ago

What is the integral of -3x^3

Sati [7]

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3 years ago

Solve for x. Round to the nearest tenth, if necessary.

e-lub [12.9K]

Answer:

$\boxed {\boxed {\sf x \approx 1.9}}$

Step-by-step explanation:

We are asked to find x, a missing side in a triangle.

This is a right triangle because there is a small square in the corner representing a 90 degree or right angle. Therefore, we can use right triangle trigonometry. The three main functions are:

sinθ= opposite/hypotenuse
cosθ= adjacent/hypotenuse
tanθ= opposite/adjacent

Examine the triangle. We will use angle S, measuring 54 degrees, for theta. Side QR, measuring x, is opposite angle S. Side QS, measuring 2.3, is the hypotenuse because it is opposite the right angle. Since we have the opposite and hypotenuse, we will use sine.

$sin \theta = \frac {opposite}{hypotenuse}$

θ= 54
opposite= x
hypotenuse = 2.3

$sin (54)= \frac{ x}{2.3}$

We are solving for x, so we must isolate the variable. It is being divided by 2.3 The inverse operation of division is multiplication, so we multiply both sides by 2.3

$2.3* sin (54)= \frac{x}{2.3}*2.3$

$2.3* sin (54)=x$

$2.3*0.8090169944=x$

$1.860739087 =x$

Round to the nearest tenth. The 6 in the hundredth place to the right tells us to round the 8 up to a 9.

$1.9 \approx x$

x is approximately 1.9

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3 years ago