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3 years ago

Use the distributive property to remove the parenthesis (v+12)10

1 answer:

6 0

The distributive property means to distribute the number being multiplied by the numbers in the parentheses.
In this case, (v+12) is being multiplied by 10.
To solve this, you simply have to multiply 10 by each term inside the parentheses.
That means it would be (v•10)+(12•10).
(v•10) is equal to 10v, since v is the variable and we don't know its value.
(12•10) is equal to 120.
So by using the distributive property we can find that (v+12)10 = 10v+120.

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How does the frequency of f(x) = cos(2x) relate to the frequency of the parent function cos x?

lilavasa [31]

Answer:

The frequency of f(x) is two times the frequency of the parent function.

Step-by-step explanation:

We can say that the number that is beside the x is equal to $2\pi *f$ , where f is the frequency.

Then, for the parent function, we get:

$1 = 2\pi f_1$

or solving for $f_1$ :

$f_1=\frac{1}{2\pi }$

At the same way, for f(x), we get:

$2=2\pi f_2\\f_2=2(\frac{1}{2\pi })$

But $\frac{1}{2\pi }$ is equal to $f_1$ , so we can write the last equation as:

$f_2=2f_1$

It means that the frequency of f(x) is two times the frequency of the parent function.

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3 years ago

What is the area of the trapezoid?

Setler [38]

Your answer is b: 24

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3 years ago

Read 2 more answers

What number would complete the pattern below? 14 5 18 24 15 28 34 __

Nitella [24]

<span>The answer is 25. The pattern is -9, +13, +6, -9, +13, +6, then -9 again.</span>

6 0

2 years ago

Suppose that you live in a community that has 125,000 households. Among these households, 50,000 have traditional landline telep

DedPeter [7]

Answer:

0.4 = 40% probability that the second household selected will have a traditional landline telephone

Step-by-step explanation:

A probability is given by the number of desired outcomes divided by the number of total outcomes.

We have that:

125,000 households

50,000 have traditional landlines telephones.

The first household selected does not have a traditional landline telephone.

Now we have 125000 - 1 = 124,999 households, and 50,000 have traditional landlines telephones.

What is the probability that the second household selected will have a traditional landline telephone

$p = \frac{50000}{124999} = 0.4$

0.4 = 40% probability that the second household selected will have a traditional landline telephone

6 0

2 years ago

A bacteria culture has 2,000 bacteria. The number of bacteria increases by 5% each hour. How many bacteria are there after 12 ho

ivann1987 [24]

Suppose the number of bacteria are increasing exponentially, We can model the number of bacteria at a given time t, using the formula:
f(t)=ae(tk)
where, k=constant of proportionally and a=initial number;
thus;
f(t)=2000e(0.005t)
Therefore the population after 12 hours will be:
f(12)=2000e^(0.005*12)
f(12)=2,123.67=2,123 bacteria

5 0

3 years ago