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4 years ago

Convert 16/5 to a decimal using long division PLEASE HELP TY!!<3

Mathematics

2 answers:

RoseWind [281]4 years ago

8 0

Answer:

3.2

Step-by-step explanation:

sergeinik [125]4 years ago

3 0

3.2

Step-by-step explanation:

The Image attached below.

The given fraction is $\frac{16}{5}\$ .

Step 1: Write the numerator inside.and denominator outside.

Step 2: If we multiply a number 5 by 3 we get 15. Write 3 in the quotient place.

Step 3: Now subtract 15 from 16, we get 1

Step 4: Place a decimal point after 3 and give one zero after 1, we get 10.

Step 5: Now multiply 5 by 2, we get 10.

Step 6: Subtract 10 from 10, the remainder is 0.

Step 7: The decimal is 3.2.

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How many phone numbers are possible for one area code if the first four numbers are 202-1 , in that order , and the last three n

Mkey [24]

6 phone numbers are possible for one area code if the first four numbers are 202-1

Solution:

Given that, the first four numbers are 202-1, in that order, and the last three numbers are 1-7-8 in any order

We have to find how many phone numbers are possible for one area code.

The number of way “n” objects can be arranged is given as n!

Then, we have three places which changes, so we can change these 3 places in 3! ways

$n! = n \times (n - 1)!$

Hence 3! is found as follows:

$3! = 3 \times (3-1)!\\\\3! = 3 \times 2!\\\\3! = 3 \times 2 \times 1 = 6$

So, we have 6 phone numbers possible for one area code.

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3 years ago

There is a seven 1/2% sales tax added to the party bill. Mrs. Gutierrez also wants to add an 18% tip for the servers. This will

Allushta [10]

1.255 times the party bill. x = party bill s = sales tax t = tip C = total cost = the bill, plus the sales tax, and the tip C = x + s + t We know that both the sales tax and the tip are percentages based on the party bill. The sales tax is equal to 7.5% of the party bill. The tip is equal to 18% of the party bill. so, s = (0.075)*x and, t = (0.18)*x Then we replace the s and the t in our equation, C = x + 0.075x + 0.18x Then, we add the elements together. C = (1+0.075+0.18)x C = 1.255x

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4 years ago

Solve a quadratic equation using the zero product property

aksik [14]

Answer:idk

Step-by-step explanation: snnd

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3 years ago

The domain and range of 5x squared plus 10x what is the domain and range of f of x equals 5x squared plus 10x

liberstina [14]

Answer:

Domain: set of all real numbers

Range: $y \geq -5$

Step-by-step explanation:

We have to find the domain and range of the function:

$f(x) =5x^2+10x$

This is a quadratic function, shape of a "U", that's called a parabola.

The domain is the set of x values for which the function is defined.

The range is the set of y values for which the function is defined.

Normally, any parabola in the form $ax^2+bx+c$ has domain as "all real numbers". This is the case for this problem as well, thus,

Domain = set of all real numbers

Now, for the range, we have to look at the minimum value of the function. So, the range would be y values greater than or equal to the minimum number. Lets find the minimum value of this function.

We have to find the value of x for which the minimum occurs by using the formula:

$x=\frac{-b}{2a} =\frac{-10}{2(5)} =-1$