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3 years ago

What is the solution for C when 10 C minus f equals -13 + c d

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

8 0

Answer:

C would be equal to (f - 13)/(10 - d)

Step-by-step explanation:

In order to find this, you must manipulate the equation so that the left side has every term with a c in it. Then you can isolate it by dividing and find what it is equal to.

10c - f = -13 + cd -----> Add f to both sides

10c = f - 13 + cd -----> Subtract cd from both sides

10c - cd = f - 13 ------> Pull out c

c(10 - d) = f - 13 -----> Divide by (10 - d)

c = (f - 13)/(10 - d)

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Answer:

83 x 42 = 3486

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nika2105 [10]

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3 years ago

If the second term of a geometric sequence of real numbers is -2 and the fifth term is 16 then what is the fourteenth term?

Agata [3.3K]

<h3>Given</h3>

A geometric sequence such that ...

$a_2=-2\quad\text{and}\quad a_5=16$

$a_{14}$

<h3>Solution</h3>

We can use the ratio of the given terms to find the common ratio of the sequence, then use that to find the desired term from one of the given terms. We don't actually need the common ratio (-2). All we need is its cube (-8).

$a_2=a_1r^{(2-1)}=a_1r^1\\a_5=a_1r^{(5-1)}=a_1r^4\\a_{14}=a_1r^{(14-1)}=a_1r^13=a_5r^9\\\\\dfrac{a_5}{a_2}=\dfrac{a_1r^4}{a_1r^1}=r^3=\dfrac{16}{-2}=-8\\\\r^9=\left(r^3\right)^3=(-8)^3=-512\\a_{14}=a_5(-512)\\\\a_{14}=-8192$

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3 years ago

Shania had $20 to spend on seven raffle tickets. After buying them she had $6. How much did each raffle ticket cost?

kogti [31]

Answer:

Step-by-step explanation:

Total money Shania was having = $20.

After buying raffle tickets she was having a total of $6.

Thus ,

The money she spent on the raffle tickets = Money she was having initially -

Money she was having after

purchasing tickets .

= $20 - $6

= $14.

Thus She spent a total of $14 on tickets .

Now , number of tickets she bought = 7.

So, cost of each ticket = $\frac{Money spent}{Number of tickets}$ = $\frac{14}{7}$

= $2.

Thus , each ticket costs $2 for Shania.

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3 years ago

You think of a number from the first thirty negative integers. What is the probability that the integer chosen will be divisible

WINSTONCH [101]

Answer:

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Step-by-step explanation:

The numbers -5, -10, -15, -20, -25, and -30 are divisible by 5.

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4 years ago