3 years ago

Help please! i have gymnastics soon

Mathematics

2 answers:

Aleksandr [31]3 years ago

4 0

Answer:

Step-by-step explanation:

Sonja [21]3 years ago

4 0

The answer is A for sure

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Evaluate e/4 +2f when e=12 and f =1/2

allochka39001 [22]

12/4 = 3 + 2x 1/2
Divide and then multiply and your answer will be 4

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3 years ago

Determine whether the vectors u and v are parallel, orthogonal, or neither.

Natalija [7]

$\mathbf u\cdot\mathbf v=\|\mathbf u\|\|\mathbf v\|\cos\theta$

where $\theta$ is the angle between the vectors. You have

$10\times9+6\times5=\sqrt{10^2+6^2}\sqrt{9^2+5^2}\cos\theta\iff \cos\theta=\dfrac{30}{\sqrt{901}}\implies \theta\approx1.909^\circ$

The vectors would be orthogonal if the dot product had been zero, but that's clearly not the case.

They would be parallel if the angle turned out to be $0^\circ$ or $180^\circ$ , but that's also not the case.

So the answer is neither.

4 0

3 years ago

Pls help with the explanation and answer ty!

Zigmanuir [339]

I’m sorry, the text is too small. But I hope you find your answer soon.

6 0

3 years ago

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The diameter of a circle is 10 kilometers. What is the circle's radius? d=10 km

alexandr402 [8]

Step-by-step explanation:

Let diameter of the circle be d and radius be r.