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qwelly [4]
3 years ago
8

Fill in the blanks please

Mathematics
1 answer:
Svetlanka [38]3 years ago
5 0

1. Base = 3a

2. Exp = 2

3. Base = 9a

4. Exp = 2

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Determine the fraction of total interest owed using the rule of 78. After the six month of a 12 month loan, the numerator is: {(
Dima020 [189]

Answer:

The fraction of total interest owed is  \frac{57}{78}

The value of it to the nearest tenth is 73.1%

Step-by-step explanation:

Let us solve it using the rule of 78

∵ The loan = 12 month

∵ The numerator is after 6 month

- Substitute n by 1 in each bracket

∴ The numerator = {(1 + 11) + (1 + 10) + (1 + 9) + (1 + 8) + (1 + 7) + (1 + 6)}

∴ The numerator = {12 + 11 + 10 + 9 + 8 + 7}

∴ The numerator = {57}

∴ The numerator of the fraction is 57

∵ The denominator = {(n) + (n + 1) + (n + 2) + .......... + (n + 11)}

- substitute n by 1 in each bracket

∴ The denominator = {1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + 11 + 12}

∴ The denominator = {78}

∴ The denominator of the fraction is 78

The fraction of total interest owed is  \frac{57}{78}

Now find the value of the fraction

∵ The fraction = \frac{57}{78}

∴ Its value = 0.7307692308 × 100%

∴ Its value = 73.07692308%

- Round it to the nearest tenth

∴ Its value = 73.1%

The value of it to the nearest tenth is 73.1%

5 0
3 years ago
You and a friend both work two different jobs. the system of linear equations represents the total earnings for x hours worked a
levacccp [35]
Me :           4 x + 8 y   =  64
My friend:  8 x + 16 y = 128
A ) 4 * 4 + 8 y = 64
     16 + 8 y = 64
     8 y = 64 - 16
     8 y = 48
     y = 48 : 8
     y = 6 ( me and my friend work 6 hours at the second job )
B )  The number of hours we each work at the first job are also the same.
5 0
3 years ago
HELP PLS ASAP
Ainat [17]

Answer:

1subtraction 2division

7 0
3 years ago
Read 2 more answers
X + y =7 What is the answer show your work
azamat

Answer:

  • x = 3
  • y = 4.
  • There are infinite solutions. I'll just give you this solution.

Step-by-step explanation:

<u>Given equation:</u>

  • x + y = 7

<u>Solve for variables:</u>

  • 7 - x = y
  • 7 - 3 = 4
  • 7 - y = x
  • 7 - 4 = 3.

<u>Answers:</u>

  • x = 3
  • y = 4.
3 0
3 years ago
How can I make this they walked 30 minutes covering 1.1 miles. into one of these miles/hours = ? mph
liq [111]

Answer: 2.2 mph

Step-by-step explanation:

there's 60 minutes in an hour so you multiply the 1.1 miles to get how many miles they would walk in an hour.

8 0
3 years ago
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