2 years ago

Find the value of x. Round to the nearest tenth. 26 12 X X = Enter

Mathematics

2 answers:

brilliants [131]2 years ago

5 0

Answer:

322. So this is correct or wrong

Sladkaya [172]2 years ago

3 0

Tangent26=opposite/ adjacent
Tan26=x/12
x=tan26*12

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20 dividido por 5 preciso da conta armada se puder me ajudar agradeço muito

garri49 [273]

Answer:

20 dividido por 5 é 4

Eu espero que isso ajude

20 divide by 5 is 4 hope this helps!!!

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2 years ago

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kompoz [17]

Answer:

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Step-by-step explanation:

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2 years ago

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Let u = (1, 2 -2), v= (2, 1, 3) and w = j + 4k. a) Find cos theta, where theta is the angle in degrees between u and w.

vodka [1.7K]

Answer: The value of cos theta is -0.352.

Step-by-step explanation:

Since we have given that

$\vec{u}=1\hat{i}+2\hat{j}-2\hat{k}\and\\\\\vec{w}=\hat{j}+4\hat{k}$

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As we know the formula for angle between two vectors.

$\cos\ \theta=\dfrac{\vec{u}.\vec{w}}{\mid u\mid \mid w\mid}$

So, it becomes,

$\cos \theta=\dfrac{2-8}{\sqrt{1^2+2^2+(-2)^2}\sqrt{1^2+4^2}}\\\\\cos \theta=\dfrac{-6}{\sqrt{17}\sqrt{17}}=\dfrac{-6}{17}=-0.352\\\\\theta=\cos^{-1}(\dfrac{-6}{17})=110.66^\circ$

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2 years ago

The instructions on the bag on concrete mix say to add 2 gallons of water to each 8 pounds bag of conceit mix

tiny-mole [99]

Answer:

4 pound

Step-by-step explanation:

From the question :

2 gallons of water = 8 pound bag

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