3 years ago

What is the value of u? A) 32° B) 34° C) 36° D) 68°

Mathematics

1 answer:

katrin [286]3 years ago

6 0

Answer:

A picture is needed for me to solve

Step-by-step explanation:

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I really really need help!!!!!!

Svetllana [295]

ANSWER

$y = 5 \sin( \frac{6}{5} x - \pi)-4$

EXPLANATION

The given function is

$y = 5 \cos( \frac{3}{5} x - \pi) + 4$

The period of this function can be determined using the formula:

$T= \frac{2\pi}{ |b| }$

The period is

$T= \frac{2\pi}{ \frac{3}{5} } = \frac{10\pi}{3}$

Half the period of this function is:

$\frac{ \frac{10\pi}{3} }{2} = \frac{5\pi}{3}$

The function which has this period is

$y = 5 \sin( \frac{6}{5} x - \pi) -4$

The first choice is correct.

3 0

2 years ago

Lucia is using energy at a rate of 420 kilocalories (kcal) per hour (h) ice skating. At what rate is lucla using energy in calor

navik [9.2K]

we know that

$1\ kilocalories=1,000\ calories\\ 1\ hour=60\ minutes$

1) Convert $\frac{kcal}{h}$ to $\frac{cal}{h}$

$420\frac{kcal}{h}=420*1,000=420,000\frac{cal}{h}$

2) Convert $\frac{cal}{h}$ to $\frac{cal}{min}$

$420,000\frac{cal}{h}=420,000/60=7,000\frac{cal}{min}$

therefore

the answer is

$7,000\frac{cal}{min}$

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3 years ago

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A car is driving at a speed of 40 mi/h. what is the speed of the car in feet per minute?

BARSIC [14]

20FT I BELIEVE CHECK CAUES IM NOT POSITIV

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3 years ago

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Raphael paid $656 for a camera during a 20% off sale. What was the camera's regular price?

Alchen [17]

$820.

If you divide 656 by 8 (since it's 80% of the total price), you get 82.
Multiplying 82 by 10 would equal the original price.

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2 years ago

An elephant is as strong as how many horses?

PolarNik [594]

Answer:

4 horses

Step-by-step explanation:

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3 years ago

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