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lidiya [134]
4 years ago
13

One half of the product of six and a number

Mathematics
1 answer:
Kay [80]4 years ago
8 0
The equation would be (6x)/2
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The total cost of a color printer is $186.16 including tax. If the tax rate is 7%, what is the original cost of the color printe
Galina-37 [17]

Answer:

<u>The original cost of the printer before adding the tax was $ 173.98</u>

Step-by-step explanation:

Total cost of the color printer, including tax = $ 186.16

Tax rate = 7%

Original cost of the printer, before tax = x

For answering the question, let's use the Rule of Three Simple, this way:

Percentage        Value

107%                  186.16

100%                     x

x * 107 = 186.16 * 100

107x = 18,616

x = 18,616/107

x = 173.98

<u>The original cost of the printer before adding the tax was $ 173.98</u>

6 0
3 years ago
X+y=3<br> y+x= 5<br><br> help please
Oksana_A [137]
Solve by elimination ie eliminate x or y from the equations by performing operations on them.
first label the equations , to follow the process.
x - y = 5 ----------------(1)
x+ y = 3 ----------------(2)
If (1) and (2) are added then y will be eliminated.
(1) + (2) gives : 2x = 8 → x = 4
now substitute this value of x into either of the 2 equations and solve for y.
let x = 4 in (1) : 4 - y = 5 → -y = 1 → y = -1
check in (1) : 4-(-1) = 4+1 = 5
check in(2) : 4 - 1 = 3


So your answer is x = 4 , y = -1
8 0
3 years ago
Find three consecutive odd integers whose sum is 51
Sedbober [7]

Answer: 15, 17 and 19

Step-by-step explanation:

15 + 17 + 19 = 51

3 0
3 years ago
Use the present value formula to determine the amount to be invested now, or the present value needed.
Vladimir79 [104]

Answer:

The value needed now is $102,296.60

Step-by-step explanation:

Here, we want to calculate the present value needed.

We shall be using the formula for compound interest here

Mathematically;

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

According to the question;

I is the initial amount which is what we want to calculate

A is the accumulated amount with interest = 140,000

r is the interest rate = 8% = 8/100 = 0.08

n is the number of times interest is compounded which is 4, since it is quarterly

t is the number of years = 2

Substituting these values, we have ;

140,000 = I(1 + 0.08/2)^(4 * 2)

140,000 = I(1.04)^8

I = 140,000/(1.04)^8

I = 102,296.62870027774

Which is I = $102,296.60 to the nearest cent

8 0
3 years ago
Three times the sum of a number and seven is two less than five times the number
damaskus [11]
The answer for x is 1/13
5 0
3 years ago
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