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sergiy2304 [10]
2 years ago
9

Simplify 5.3x-8.14+3.6x+9.8​

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
8 0

Answer:

8.9x+1.66

Step-by-step explanation:

Combine like terms:

5.3x+3.6x+9.8-8.14

Simplify.

8.9x+1.66

DIA [1.3K]2 years ago
8 0

Answer:

The simplified form of the given expression is 8.9x+1.66​.

Step-by-step explanation:

The given expression is

5.3x-8.14+3.6x+9.8​

We need to find the simplified form of the given expression.

If two terms have same variables of same degree then they are called like terms.

In the given expression 5.3x and 3.6x are like terms and -8.14 and 9.8 are like terms.

On combining like terms we get

(5.3x+3.6x)+(-8.14+9.8)​

(8.9x)+(1.66)​

8.9x+1.66​

Therefore, the simplified form of the given expression is 8.9x+1.66​.

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3 years ago
If I buy a stereo for $245 and this includes GST of 10%, what is the pre-GST price?
Ivan

Answer:  $222.73

===========================================

Work Shown:

x = pre-GST price

10% of x = 0.10x = tax amount

x + 0.10x = 1.10x = post-GST price = 245

1.10x = 245

x = 245/1.10

x = 222.7272 approximately

x = 222.73 is the price before tax.

------------

Check:

10% of 222.73 = 0.10*222.73 = 22.273 = 22.27

The tax amount ($22.27) is added to the pre-GST price to get

22.27+222.73 = 245

which matches the post-GST price mentioned.

The answer is confirmed.

Or another way to confirm the answer is to calculate this

1.10*222.73 = 245.003 = 245

6 0
2 years ago
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Answer

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Step-by-step explanation:

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3 years ago
If $64,000 is invested in an IRA account with an annual interest rate of 8% compounded once a year, what is the value of the acc
Iteru [2.4K]

Answer: the value of the account after 6 years is $101559.96

Step-by-step explanation:

If $64,000 is invested in an IRA account, then

Principal = $64,000

So P = 64,000

The rate at which $64000 was compounded is 8%

So r = 8/100 = 0.08

If it is compounded once in a year, this means that it is compounded annually (and not semi annually, quarterly or others). So

n = 1

We want to determine the value of the account after 6 years, this means

time, t = 6

Applying the compound interest formula,

A = P(1 + r/n)^nt

A = amount after n number of years

A = 64000( 1 + 0.08/1)^1×6

A = 64000(1.08)^6

A= 64000×1.58687432294

A= 101559.956668416

Approximately $101559.96 to 2 decimal places

4 0
3 years ago
Write the following fractions in word. 3/4, 1/5, 3/4, 1 3/5.. please help me​
Alik [6]

Answer:

"In word" as in word form?

3/4 = three fourths

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3/4 = three fourths (again?)

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4 0
2 years ago
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