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blsea [12.9K]
3 years ago
5

Help please I rly need it 60 POINTSS​

Mathematics
2 answers:
MrMuchimi3 years ago
4 0

Answer:

42 \times 48

Step-by-step explanation:

25 \times 36=900\\52 \times 63=3276

34 \times 42 = 1428\\ 43 \times 24=1032

54 \times 56 = 3024\\45 \times 65= 2925

42 \times 48 = 2016\\ 24 \times 84= 2016

32 \times 43 = 1376\\ 23 \times 34=782

The calculation for 42 \times 48 has the same results from switching the digits.

kogti [31]3 years ago
3 0

Answer:

25 × 36 = 900

52 × 63 = 3 276

34 × 42 = 1 428

43 × 24 = 1 032

54 × 56 = 3 024

45 × 65 =  2 925

<em>42 × 48 = 2 016</em>

<em>24 × 84 = 2 016</em>

32 × 43 = 1 376

23 × 34 = 782

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OD  Divide both sides of the equation by 2.

Step-by-step explanation:

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3 years ago
The rule of 72 is used to determine how long it will take an investment to ___. For an Investment of $5,000 earning 7% annually,
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Answer:

The rule of 72 is used to determine how long it will take an investment to Double

For an Investment of $5,000 earning 7% annually, this will take about ten years

Step-by-step explanation:

The rule of 72 says that to find the number of years required to double your money at a given interest rate, you just divide 72 by the interest rate

Example:

If you want to know how long it will take to double your money at 9% interest, divide 72 by 9 you will get 8 years

The formula of the rule of 72 is Y = \frac{72}{r}

Let us complete the missing

The rule of 72 is used to determine how long it will take an investment to Double

The missing word is "Double"

∵ The investment is $5,000

∵ The annual interest is 7%

- By using the rule of 72

∵ Y = \frac{72}{r}

∵ r = 7

∴ Y = \frac{72}{7}

∴ Y = 10.29

- Round it to the nearest year

∴ Y ≅ 10 years

For an Investment of $5,000 earning 7% annually, this will take about ten years

The missing word is "ten"

5 0
3 years ago
4. Two friends, Sequoia and Raven, sold organic chap sticks at the local market.
Nina [5.8K]

Answer:

Sequoia sold 2 chap sticks while Raven sold 4.

Step-by-step explanation:

Since two friends, Sequoia and Raven, sold organic chap sticks at the local market, and Sequoia sold her chap sticks for $ 4 and Raven sold hers for $ 3 each, and in the first hour, their total combined sales were $ 20, if in the first hour, the friends sold a total of 6 chap sticks between them, to determine the number of chap sticks each of the friends sold during this time the following calculation must be performed:

6 x 4 + 0 x 3 = 24

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7 0
3 years ago
What do you do to both sides to<br> r? What is r? 3/8 r = 6 HELP ME
faust18 [17]

Answer:

r = 16

Step-by-step explanation:

\frac{3}{8}r = 6 \\\\

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Divide both side by 3

\frac{3}{3}r=\frac{48}{3}\\\\r = 16

OR

Multiply both side by (8/3)

\frac{8}{3}*\frac{3}{8}r=6*\frac{8}{3}\\\\r = 2*8\\\\r = 16

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3 0
2 years ago
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My initial answer was $2750.45, and I will show you my calculations.

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At first I thought this was correct, but after studying my answer I realise that the amount of interest would rise as the amount of money went up, therefore my calculations are very wrong. If I work out the answer, I will get back to you, but the calculation is more complicated than I first predicted
7 0
3 years ago
Read 2 more answers
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