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VMariaS [17]
3 years ago
7

Bruce and Robbie each open new bank accounts at time 0. Bruce deposits $100 into his bank account, and Robbie deposits $50 into

his. Each account earns the same annual effective interest rate. The amount of interest earned in Bruce's account during the 11th year is equal to X. The amount of interest earned in Robbie's account during the 17th year is also equal to X. Calculate X.
Mathematics
1 answer:
Karolina [17]3 years ago
4 0

Answer:

38.9

Step-by-step explanation:

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13.
Artist 52 [7]

Answer:

5 units

Step-by-step explanation:

An isosceles triangle is a triangle with two legs that have the same length. The perimeter of a triangle is the sum of the lengths of all sides of the triangle. Now taking this into account, we know that:

2L + B = 14 units

Where:

L is the measure of one leg

B is the measure of the base

Since two legs are the same and the base is 1 less, this means the measure of each leg would be:

B = L -1

Now we have two equations:

2L + B = 14 units

B = L- 1

We plug one equation into the other and make 1 equation:

2L + (L-1) = 14 units

Get rid of the parentheses:

2L + L - 1 = 14

Combine like terms:

3L - 1 = 14

Add 1 to both sides of the equation:

3L - 1 + 1 = 14 + 1

3L = 15

Divide both sides by 3:

3L/3 = 15/3

L = 5

So the length of a leg is 5 units

Let's check!

B = L - 1

B = 5 - 1

B = 4

Then we use that to solve for the perimeter:

2L + B

2(5) + 4

10 + 4 = 14

7 0
3 years ago
The flight attendants at Come Fly with Me Airlines are all getting a 3% raise. One attendant's
mixer [17]

Answer:

46,350

Step-by-step explanation:

3% of 45,000 is 1,350

So, 45,000 + 1350 = 46,350

7 0
3 years ago
Read 2 more answers
A teacher asks four students to solve the expression (-6) – 9. The table shows each student's response
vagabundo [1.1K]

Answer:-15 is correct

Step-by-step explanation:

(-6)-9 is the same as -6-9 since parenthesis aren’t really needed in thins case and if you use the order of operations you go left to right. So, -6-9=-15 because a negative- a negative= a negative.

7 0
3 years ago
What is the solution of the system of equations? Show your work.
scZoUnD [109]

Answer:

1.Solve for y in 2x+y=-3

y=-3-2x

2. Substitute y= -3 - 2x into 4x-2y=10

8x+6=10

3 Solve for x in 8x+6=10

x=1/2

​

4. Substitute x=1/2 into y = - 3 - 2x

y= -4

5. So you get...,

x=1/2

y=−4

​

Step-by-step explanation:

you're welcome :)

3 0
2 years ago
Explain the steps you would take to write 36/10 as a decimal
kherson [118]
You just have to make 36/10 into 3 6/10. After that, it would become 3.6
4 0
3 years ago
Read 2 more answers
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