1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Katyanochek1 [597]
3 years ago
15

Lorraine invested $5500 in a savings account with a yearly interest rate of 6% for 9 years. How much simple interest did she ear

n?
Mathematics
1 answer:
valina [46]3 years ago
7 0
A formula for this is I=prt, your "i" is the interest so the way to set this up would be 5500=6%r9 you would multiple 6&9 then you should get 5500=54r. divide 54 and 5500 that should turn out to be 101. 85, rounded of course. Hope that helped.
You might be interested in
The length of a rectangle is 3 inches shorter than its width. The perimeter of the rectangle is 50 inches.
CaHeK987 [17]

Answer: Alright the first one is w(w-3) = 50 .. and the second one is 5. 73 and the last one is 2 ( w - 3) + 2w = 50 I think

Step-by-step explanation:

I think these are the answers but choose what You think. make Your best guest good luck

5 0
2 years ago
Evaluate 7m+ 3mn when m=8 and n=14?Answers:aA:84,B:196,C:392,D=168​
Aleksandr-060686 [28]

Answer:

c) 392

Step-by-step explanation:

4 0
3 years ago
Can you explain step by step for #15 and #16 I have a test on this tomorrow
RUDIKE [14]

Answer:

15.

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. 10 ml of 20% saline and 40 ml of 10% saline

Step-by-step explanation:

A chemist takes x ml of 20% saline and y ml of 10% saline. In total, he takes

x + y ml that is 50 ml, so

x + y = 50.

There are  0.2x ml of salt in x ml of 20% saline and 0.1y ml of salt in 10% saline. There are 0.12\cdot 50=6 ml of salt in 50 ml of 12% saline. Thus,

0.2x+0.1y=6

15. We get the system of two equations:

\left\{\begin{array}{l}x+y=50\\0.2x+0.1y=6\end{array}\right.

16. Solve this system. From the first equation:

x=50-y

Substitute it into the second equation:

0.2(50-y)+0.1y=6\\ \\10-0.2y+0.1y=6\\ \\-0.1y=6-10\\ \\-0.1y=-4\\ \\y=40\\ \\x=50-y=50-40=10

7 0
3 years ago
Divide 4 2/3 & 3 1/3. Simplify the answer and write it as a mixed number.
Leto [7]

Answer:

4 2/3 ÷ 3 1/3= 1 2/5

Step-by-step explanation:

First, you turn the mixed terms into an improper fraction like this

4 2/3 → 14/3 because when you multiply 4 times 3 equaling 12 then having 2 then adding that you get 14/3.

3 1/3 → 10/3 because when you multiply 3*3=9 then having 1 and adding that you get 10/3.

Then, you do KCF which stands for <u>Keep Change Flip</u> so for this you would do: 14/3 ÷ 10/3 → 14/3 × 3/10

14 × 3 = 42 and 3 × 10= 30

Now being 42/30 this is considered an improper fraction in which you have to transform it into a mixed number like this:

(For this you need to find the greatest common factor)

42/30 →  42 and 30 greatest common factor is 6 because they are divisible and factor of 6.

Now you divide both the denominator and the numerator y 6 like this:

42 ÷ 6= 7

30 ÷ 6= 5

Now we have 7/5, this is still an improper number so we see how many times 7 can go to 5 which is once. So we have 1 as whole number, now we put the reminder as the numenator of the mix fraction keeping 5 as being the denominator.

Overall, We have our answer 1 2/5

I hope this helps :D  

7 0
3 years ago
STEP BY STEP PLEASE
Soloha48 [4]
We can find the side length of square 3 by dividing by 4, which is 9.

Then, we find the side length of square 2 by dividing it by 4, which is 12.

To find the AREA of square 1, we do a^2+b^2=c^2. This is basically adding up area of square 1 and square 2 to get square 3.

a^2+b^2=c^2
9^2+12^2=c^2
81+144=225

So the area is 225 units.

6 0
3 years ago
Read 2 more answers
Other questions:
  • The surface area of the prism is ______ square units. All measurements in the image below are in units. (Input whole number only
    12·2 answers
  • Rational numbers are _____ natural numbers.
    10·2 answers
  • Please help!! <br> What is the value of x?
    10·1 answer
  • (7(19 - 9))/(4 * 5 * 18)
    9·2 answers
  • If y varies directly as x, and y = 25 as x = 5, find y for the x-value 7.
    12·1 answer
  • How many 5/12 are in 1/2
    11·2 answers
  • From a standard deck of 52 cards, what is the probability of picking a Heart at random from the deck
    11·2 answers
  • PLEASE HELP which best describes the figure that represented by the following coordinates
    9·2 answers
  • Number of daily visitors of a park in Dubai at the end of 2012 was 5000 This was predicted to increase at a rate of 6% each year
    11·2 answers
  • Find the median of the following set of numbers. 98, 67, 98, 102, 74, 95, 99
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!