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iren [92.7K]
3 years ago
14

Factor out the coefficient of the variable term.

Mathematics
1 answer:
aivan3 [116]3 years ago
6 0

Given:

The expression is

\dfrac{1}{2}n-\dfrac{1}{2}

To find:

The factored form of given expression after factor out the coefficient of the variable term.

Solution:

We have,

\dfrac{1}{2}n-\dfrac{1}{2}

Here, the coefficient of variable n is \dfrac{1}{2}.

It can be written as

=\dfrac{1}{2}\times n-\dfrac{1}{2}\times 1

Taking out \dfrac{1}{2} as common factor, we get

=\dfrac{1}{2}(n-1)

Therefore, the factored from of given expression is \dfrac{1}{2}(n-1).

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Need help, not really understanding this :)
Wittaler [7]

Answer:

d. y-3 = f(x)

Step-by-step explanation:

we don't know what f(x) is. but we can see that the red line is 3 units above the black line. so we are adding 3 to whatever f(x) is. so the red line should have the equation

y = f(x) +3

subtract 3 from both sides

y-3 = f(x)

4 0
4 years ago
What simple interest rate is needed for $1000 to grow to $1071.25 in 9 months?
BlackZzzverrR [31]

Answer:

9.5%

Step-by-step explanation:

Use the formula I = Prt

I is the interest (unknown), P is the principal (1000), rate is the percent (unknown), and t is time in years (9/12).

9 months is a fraction of a year. There are 12 months in a year, so our fraction is 9/12. You can reduce this fraction by dividing by 3. The fraction reduced is 3/4. You can also use the decimal which is .75.

First we need to solve how much interest we earned. 1071.25 is the balance, so we need to subtract the principal from the balance.

1071.25 - 1000 = 71.25

Plug the numbers in to the formula. We are solving for r.

71.25 = 1000(.75)r

71.25 = 750r

71.25/750 = 750r/750

r = 0.095

Convert the decimal to a percent by moving the decimal two places right.

0.095 = 9.5%

3 0
2 years ago
Read 2 more answers
Wahaj buys a pizza for rs 800.A week later,the same piza costs rs 900.When wahaj asks the manger for the reason ,he explain that
lions [1.4K]

Answer:

12.5%

Step-by-step explanation:

The price increased from 800 to 900. So what is the PERCENTAGE INCREASE??

The increase is 900 - 800 = 100

To find this in terms of original, we need to divide 100 by 800 and multiply by 100 to get the "percentage". Let's do it:

\frac{100}{800}*100=12.5

So the increase is 12.5% and thus the general sales tax is 12.5%

6 0
3 years ago
the school band sold t-shirts to fund a trip to play in a parade. they collected 570 and the band made 34% of that amount. how m
VMariaS [17]
You need to find 34% of $570. 

1) Change 34% to a decimal: 0.034
2) Multiply 0.034 by $570:
    0.034 • 570 = 19.38

The band made $19.38
7 0
4 years ago
0.2- 4/10 - 1.625=???
Katena32 [7]

Answer:

-1.825

Step-by-step explanation:

Just subtract!

6 0
3 years ago
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