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balu736 [363]
3 years ago
11

How do I solve this problem

Mathematics
1 answer:
CaHeK987 [17]3 years ago
6 0
Use cymath it gives you the answer :)
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Direct variation or not a direct variation<br><br> y=5/x
MrRissso [65]

Answer:

not direct variation

Step-by-step explanation:

The equation for x and y in direct variation is

y = kx ← k is the constant of variation

y = \frac{5}{x} is not in this form, thus not direct variation.

The equation for x and y varying inversely is

y = \frac{k}{x} ← k is the constant of variation

y = \frac{5}{x} is in this form and represents inverse variation

7 0
3 years ago
Please help me with my homework I don't understand it ​
Damm [24]

Answer:

Part A:

0.1111111111111 = 1/9

Part B:

3

Step-by-step explanation:

Part A:

When I put 0.111111111 into my calculator I get a conversion of 1/9.

Part B:

The fraction 1/9 means that for every 9 kids he surveyed, 1 of them replied "yes."

So covert 1/9 into x/27

27/9 = 3 which means 9 goes into 27, 3 times.

Multiply 1 by 3.

1 x 3 = 3

Put into fraction form

3/27

This means 3 students out of 27 answered "yes."

6 0
3 years ago
In a company, it takes 4 employees 4 days to complete a task. It would take 2 employees 8 days to complete the same task.
Triss [41]
The concept that can be used in order to answer this item is that of man-days. The total number of man-days required to do the job should always be constant. 

This can be illustrated by the givens above.
Scenario 1: 
     N1 = (4 employees)(4 days) = 16 man-days

Scenario 2:
    N2 = (2 employees)(8 days) = 16 man-days

The equation for determining the value of e is equal to,
     k = (d)(e)

The answer is the second choice. 
6 0
3 years ago
Read 2 more answers
You can sell 80 pet chias per week if they are marked at $1 each, but only 50 each week if they are marked at $2/chia. Your chia
Damm [24]
Definitely pick the 2dollar option
6 0
3 years ago
Read 2 more answers
Create an exponential to describe $100 at 2% interest compounded annually for x years
zysi [14]

Answer:

A=100(1.02)^{x}                  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=x\ years\\ P=\$100\\ r=2\%=2/100=0.02\\n=1  

substitute in the formula above

A=100(1+\frac{0.02}{1})^{1*x}  

A=100(1.02)^{x}  

8 0
3 years ago
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