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Elodia [21]
2 years ago
10

How to solve an equation with two different variables.

Mathematics
1 answer:
77julia77 [94]2 years ago
7 0

Answer:

Step-by-step explanation:

Move the variables to different sides of the equation. This "substitution" metho d starts out by "solving for x" (or any other variable) in one of the ...

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Mr. Charles gave both of his sons, Joe and Bill, $5,000. Joe deposited the money in an account that offered simple interest of 1
Maksim231197 [3]

Answer:

Bill by $85

Step-by-step explanation:

Bill :  Compound interest is calculated by multiplying the initial principal amount by one plus the annual interest rate raised to the number of compound periods minus one. The total initial amount of the money given  is then subtracted from the resulting value.

Compounded annually for 6 years at 9 % interest Bill would have $8385.50.

Joe : Simple interest at 11% a year The formula we'll use for this is the simple interest formula.

P is the principal amount, $5000.00.

r is the interest rate, 11% per year, or in decimal form, 11/100=0.11.

t is the time involved, 6year(s) time periods.

So, t is 6year time periods.

To find the simple interest, we multiply 5000 × 11 × 6  = 3300

Usually now, the interest is added onto the principal to figure some new amount after 6 year(s),

or 5000.00 + 3300.00 = 8300.00

As you can see Bill has more by $85.

^Check yourself

5 0
3 years ago
Find the perimeter and area of the figure.
Travka [436]

Answer:

The perimeter is 20 cm.

The area is 25 cm^2.

Step-by-step explanation:

The perimeter is the distance around the figure.

This is a square, so each side is the same length.

There are four sides, so

5 + 5 + 5 + 5 = 20 cm

The area of the figure is

s^2

where s is a side

so 5 * 5 = 25 cm^2

7 0
2 years ago
What do you think the answer is, please hurry
vazorg [7]
There is an 18% chance that out of the 3 students she asks, 3 would be in a band. I hope this helped ^^
6 0
3 years ago
solve each equation below for the given variable. Please explain how u got ur answer:) a. 4x/5=x-2/7 b. -3(2b-7)= -3b+21-3b c.6-
nadya68 [22]
This is a answer of question A

3 0
3 years ago
A company that produces cranberries knows that about 7%7\%7%7, percent of its cranberries are bruised in the bagging process. Th
lozanna [386]

Answer:

B. Yes, because 0.004<0.010.004<0.010, point, 004, is less than, 0, point, 01.

Step-by-step explanation:

Khan Academy

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3 years ago
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