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adell [148]
3 years ago
13

. Express the ratios in its simplest form (a) 15:12 (b) 42:1

Mathematics
1 answer:
telo118 [61]3 years ago
7 0

Answer:

See answers below

Step-by-step explanation:

Given the following ratios. We are to express them in their simplest forms

15:12

= 15/12

= (3*5)/(3*4)

= 3/3 * 5/4

= 5/4

b) 42:1

= 42/1

= 42

Given that  2:x :: 4:6​

2/x = 4/6

Cross multiply

4x = 2*6

4x = 12

x = 12/4

x = 3

Hence the value of x is 3

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3 years ago
Sherri currently has an account balance of $1,050.80. Her initial deposit on the account was $740 and it earned 3.5% simple inte
Yanka [14]

Answer:

<u>Sherri has the account since twelve years ago</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

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Interest rate = 3.5% simple interest = 0.035

2. How long has Sherri held the account?

Let's recall the formula of the simple interest:

FV = P * (1 + rt), where FV is the future value of the investment or initial deposit, P, the initial deposit, r, the interest rate and t, the number of periods.

Replacing with the values we have:

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<u>Sherri has the account since twelve years ago</u>

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