3 years ago

Square root of 405, simplfiy and give the exact value

2 answers:

4 0

Sq. root of 405= approximately positive or negative 20.124611797498107267682563018581

Its irrational. This is as far as the calculator goes.

Sonja [21]3 years ago

4 0

Your answer without a decimal would be as follows:

9 (Sqr Root sign)5

9 is on the outside of square root sign and five is on the inside.

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Would you rather receive $1,000 a year for 10 years or $800 a year for 15 years if the interest rate is 5%? What if the interest

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3 years ago

How to solve? What are the rules in BODMAS

leva [86]

Answer:

18/35

Step-by-step explanation:

1 1/5 ÷ 2 1/3

Change from mixed numbers to improper fractions

1 1/5 = (5*1+1)/5 = 6/5

2 1/3 = (3*2+1)/3 = 7/3

6/5÷ 7/3

Copy dot flip

6/5* 3/7

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The jar only contains nickels and dimes altogether there are 10 coins total of the value is 90 cents how many nickels and how ma

lilavasa [31]

Write a system of equations and solve.

x + y = 10
5x + 10y = 90

Multiply and combine equations

-5x - 5y = -50
5x + 10y = 90
------------------
5y = 40
y = 8
x = 2

There are 2 nickels and 8 dimes in the jar. Hope this helps! :)

3 0

3 years ago

Please answer please

IRISSAK [1]

Step-by-step explanation:

cos A = 16/20 = 4/5

tan A = 12/16 = 3/4

sin A = 12/20 = 3/5

4 0

3 years ago