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Ksivusya [100]
3 years ago
8

Find −39÷(−13) help me

Mathematics
1 answer:
lana [24]3 years ago
6 0

Answer:

3.

Step-by-step explanation:

- / - = +

-39 / -13

= 3

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Suppose that the functions s and t are defined for all real numbers x as follows.
jeka94

Answer:

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

Step-by-step explanation:

Given functions are:

s(x)= x+6\\t(x)= 4x^2

We have to find:

(s.t)(x) => this means we have to multiply the two functions to get the result.

So,

(s.t)(x) = s(x)*t(x)\\= (x+6)(4x^2)\\=4x^2.x+4x^2.6\\=4x^3+24x^2

Also we have to find

(s-t)(x) => we have to subtract function t from function s

(s-t)(x) = s(x) - t(x)\\= (x+6) - (4x^2)\\=x+6-4x^2

Also we have to find,

(s+t)(-3) => first we have to find sum of both functions and then put -3 in place of x

(s+t)(x) = s(x)+t(x)\\= x+6+4x^2

Putting x = -3

= -3+6+4(-3)^2\\=-3+6+4(9)\\=3+36\\=39

Hence,

(s.t)(x) = 4x^2+24x^2\\(s-t)(x) = x+6-4x^2\\(s+t)(-3) = 39

8 0
2 years ago
Consider two​ investments, one earning simple interest and one earning compound interest. If both start with the same initial de
Len [333]

Answer:

Ratio between balances will be:

(x*(1+i)*n)/(x*(1+i)^n)

Where;

x = deposit

%i = interest rate annual

n = years

Step-by-step explanation:

Lets say first deposit is x$ for both investment and annual interest rate for both investment are %i. Also, they stayed under i interest in n years:

Total balance for simple interest is:

Total balance=x*(1+i)*n

How ever total balance for compound interest is:

Total balance=x(1+i)^n

6 0
3 years ago
NEED ANSWER NOW PLEASE!
Len [333]
For this case, the first thing you should do is the following sum:
 income = Annual Salary + benefits
 Substituting values we have:
 income = (48500) + (2500 + 5000)
 income = 56000
 Answer:
 
She can expect a total amount of income with benefits from:income = 56000
 (option 4)
7 0
3 years ago
Expresa 63/100 Como un número decimal. ​
Shtirlitz [24]

Answer:

0.63

Step-by-step explanation:

6 0
3 years ago
Solve:<br><br> 18/x = 2 + 36/x{2}
ollegr [7]

Answer:

x-3=-3

Step-by-step explanation:

6 0
2 years ago
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