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3 years ago

What is the area of the triangle?

Mathematics

1 answer:

Tems11 [23]3 years ago

7 0

It is the second answer

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A Cepheid variable star is a star whose brightness alternately increases and decreases. For a certain star, the interval between

fomenos

Answer:

0.41 (correct to 2 decimal place)

Step-by-step explanation:

If $B(t)=4.0+0.35sin\frac{2\pi t }{5.4}$

Let $u=\frac{2\pi t }{5.4}$ , then $B(u)=4.0+0.35sin u$

We want to determine the rate of increase $\frac{dB}{dt}$ after one day

$du=\frac{2\pi dt }{5.4}$ and $\frac{dB}{du} =0.35cos u$

$\frac{dB}{dt}=\frac{2\pi }{5.4}0.35cos (\frac{2\pi t }{5.4})=0.407cos (\frac{2\pi t }{5.4})$

$B^{'} (t)=0.407cos (\frac{2\pi t }{5.4})$

Rate of increase after one day, i.e. t=1

$B^{'} (1)=0.407cos (\frac{2\pi X 1 }{5.4})$ = 0.407 =0.41 (correct to 2 decimal place)

5 0

3 years ago

Solve for y: 6x-2y= -8

Jlenok [28]

Move all terms that don't contain y to the right side and solve y=3x+4

4 0

2 years ago

Choose the answer based on the most efficient method as presented in the lesson. If the first step in the solution of the equati

mihalych1998 [28]

Hi, your answer is add x. Hoped I helped!

3 0

3 years ago

Read 2 more answers

Please help and write the steps to fine the answer (ignore the erasings)

podryga [215]

Answer: 1/50

Step-by-step explanation:

= 2 * 10^-2 * 2^0

= 2 * 1/10^2 * 1 (2^0=1)

= 2/100

= 1/50

3 0

2 years ago

Read 2 more answers

-3(×+2)=12 what is x equal to

velikii [3]

Answer:

x=-6

Step-by-step explanation:

Follow along:

1. Distribute the -3 to those within the parenthesis.

-3x-6=12

2. Move the whole numbers to one sides, isolate the variable.

-3x=18

3. Divide both sides by -3

x=-6

7 0

3 years ago