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2 years ago

What kind of shape is this ?

Mathematics

2 answers:

Lemur [1.5K]2 years ago

8 0

Prism because it is a three dimensional shape

Stells [14]2 years ago

5 0

Answer:

prism

Step-by-step explanation:

when all the sides are joined, it will reveal the shape to become a prism.

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Which of these is equivalent to the given angle?

Inga [223]

$360 \°=2\pi \\\\\dfrac{7\pi }{4} = \dfrac{\frac{7\not\pi }{\not4} \cdot \not360 \° ^{90 \° }}{2\not\pi } =\dfrac{7\cdot \not90\° ^{45\°}}{\not2} =7\cdot45\°=315\° \\\\Answer \ D.$

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2 years ago

Use the Pythagorean Theorem to solve for the missing side length. Round to the nearest tenth if necessary.

Ede4ka [16]

Answer:

B= 6

Step-by-step explanation:

pythagorean theorem formula is a² + b² = c²

so: 8² + b² = 10²

then: 64 + b² = 100

subtract 64 from both sides to get b²= 36

square root 36 and you get 6 for b

answer: B= 6

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2 years ago

What is the answer (9+43-2)2-10-5 to the 2nd power

mylen [45]

This would =65. any more questions feel free to ask :) happy to help out

6 0

3 years ago

16) Please help with question. WILL MARK BRAINLIEST + 10 POINTS.

Katyanochek1 [597]

We will use the sine and cosine of the sum of two angles, the sine and consine of $\frac{\pi}{2}$ , and the relation of the tangent with the sine and cosine:

$\sin (\alpha+\beta)=\sin \alpha\cdot\cos\beta + \cos\alpha\cdot\sin\beta

\cos(\alpha+\beta)=\cos\alpha\cdot\cos\beta-\sin\alpha\cdot\sin\beta$

$\sin\dfrac{\pi}{2}=1,\ \cos\dfrac{\pi}{2}=0$

$\tan\alpha = \dfrac{\sin\alpha}{\cos\alpha}$

If you use those identities, for $\alpha=x,\ \beta=\dfrac{\pi}{2}$ , you get:

$\sin\left(x+\dfrac{\pi}{2}\right) = \sin x\cdot\cos\dfrac{\pi}{2} + \cos x\cdot\sin\dfrac{\pi}{2} = \sin x\cdot0 + \cos x \cdot 1 = \cos x$

$\cos\left(x+\dfrac{\pi}{2}\right) = \cos x \cdot \cos\dfrac{\pi}{2} - \sin x\cdot\sin\dfrac{\pi}{2} = \cos x \cdot 0 - \sin x \cdot 1 = -\sin x$

Hence:

$\tan \left(x+\dfrac{\pi}{2}\right) = \dfrac{\sin\left(x+\dfrac{\pi}{2}\right)}{\cos\left(x+\dfrac{\pi}{2}\right)} = \dfrac{\cos x}{-\sin x} = -\cot x$

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3 years ago

A scientist begins an experiment with a culture of 5 bacteria cells. Every hour, the number of bacteria cells triples. Which equ

Ann [662]

Answer:

y= 3(5)x

Step-by-step explanation:

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3 years ago