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3241004551 [841]
2 years ago
10

Using the rearrangement property find the sum of the following ​

Mathematics
1 answer:
love history [14]2 years ago
4 0
So you have to simplify



(9 x 10 x 18) 2 + (5 x 10 x 18) (-7) + (5 x 9 x 18)

(-11) + (5 x 9 x 10)

5 x 9 x 10 x 18

1620 x 2 + 900 (-7) + 810(-11) + 450 x 5
x 5 x 9 x 10 x 18

The answer would be -6/5
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If my saving x$ grows 10% every year how much will I have in:<br> 1 year<br> 2 year<br> 5 year
mote1985 [20]

Answer:

1.1x, 1.21x, 1.61051x

Step-by-step explanation:

If you saving grows 10 \% every year, then your saving is 1.1\\ times your saving from last year. Therefore, after one year, you will have 1.1x\\, then after 2 years, you will have (1.1)^2 \cdot x=1.21x, then after 5 years, you will have (1.1)^5 \cdot x = 1.61051x.

5 0
3 years ago
Read 2 more answers
Solve 3(x + 1) + 6 = 33.
sammy [17]

add 6 plus 33 then do x+1 then you divide

Step-by-step explanation:

7 0
3 years ago
How would I factorise xy-4x +3y-12
morpeh [17]

Answer:

Factor xy−4x+3y−12

xy−4x+3y−12

=(y−4)(x+3)

hope this helps :D!!

6 0
3 years ago
Write the ratio of the first measurement to the second measurement. Compare in inches.
love history [14]
<h3>Answer is the ratio 9:14</h3>

Work Shown:

1 foot = 12 inches

3 feet = 36 inches, multiply both sides by 3

The "3 feet to 56 inches" is equivalent to "36 inches to 56 inches".

Then we can form the ratio 36:56. Divide both parts of that ratio by the GCF 4 and we get the reduced ratio 9:14

6 0
3 years ago
What is the value of the 30th term in the following arithmetic sequence?
pochemuha
Answer is C. -186

Because to find the nth term you need to see the pattern . It’s going down in -6 so -6n , then you do inverse to the first number , so +6 to 12 =18 . This makes -6n +18 . This is your formula just substitute n for 30 and you will get -162.

-6 x 30 = -180 , -180 + 18+ -162
6 0
3 years ago
Read 2 more answers
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