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dimaraw [331]
3 years ago
13

Valerie is performing an experiment by spinning a metal weight around on the end of a nylon thread. How far does the metal weigh

t travel if it completes $$40 revolutions on the end of a $$0.89 m thread? Give your answer correct to one decimal place.
Mathematics
1 answer:
Triss [41]3 years ago
3 0

Answer:

35.6 m

Step-by-step explanation:

Number of revolutions = 40

Length of thread = 0.89 m

Total Distance = Number of revolutions * Length of Thread

Total Distance = 40 * 0.89 = 35.6 m

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Kevin caught some fish. Of them 4/9 were herring, and 2/9 salmon. What was the total amount of fish, amount of herring and amoun
julia-pushkina [17]

There were 3 different fish caught, Salmon, Herring and Flounder.

4/9 were Herring, 2/9 were Salmon, 4/9 +2/9 = 6/9

This means 3/9 were Flounders ( 3/9 + 6/9 = 9/9 = 1)

3/9 can be reduced to 1/3.

1/3 of the fish were Flounders.

Divide the amount of flounders by the portion caught:

12 / 1/3 = 12 * 3/1 = 36 total fish.

Now you have total number of fish, multiply the total by each portion for each type of fish.

Total fish = 36

Herring = 4/9 x 36 = 16

Salmon = 2/9 x 36 = 8

6 0
3 years ago
What is the equation of the graphed line written in
jek_recluse [69]
Where is the graphed line
7 0
3 years ago
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Juli2301 [7.4K]
Answer 5.1
Order them from least to greatest and find the middle number. Or by calculating the mean by adding together the middle values and dividing them by two.
3 0
2 years ago
Find the range of f(x) = 5x - 4 for the domain = {2, 4, 6}]
Sphinxa [80]

Answer:

Step-by-step explanation:

For this question they are asking you to find y when x is {2, 4, and 6}

That means you need to plug 2,4, and 6 into the equation and solve.

For example:

f(x) = 5x - 4

f(2) = 5(2) - 4

f(2) = 10 - 4

f(2) = 6

f(x) = 5x - 4

f(4) = 5(4) -4

f(4) = 20 - 4

f(4) = 16

f(x) = 5x - 4

f(6) = 5(6) - 4

f(6) = 30 - 4

f(6) = 26

8 0
3 years ago
Explain why arctan(1) = 45° or π/4.
xeze [42]

Answer:

<em>Explanation below</em>

Step-by-step explanation:

<u>Inverse Trigonometric Functions</u>

They are defined as the inverse of the basic trigonometric functions which are sine, cosine, tangent, cotangent, secant, and cosecant.

The corresponding inverse functions are called arcsin, arccos, arctan, arccot, arcsec, arccsc.

These inverse functions in trigonometry are used to get the angle with any of the trigonometry ratios.

For example,

\displayystyle \sin 30^\circ=\frac{1}{2}

Then:

\displaystyle arcsin \frac{1}{2}=30^\circ

Since:

\tan 45^\circ=1

Or, equivalently:

\displaystyle \tan \frac{\pi}{4}=1

Then:

\displaystyle arctan(1)=45^\circ

Or:

\displaystyle arctan(1)=\frac{\pi}{4}

6 0
3 years ago
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