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Shkiper50 [21]
3 years ago
10

Round each number to the place of the underlined digit 0.829

Mathematics
1 answer:
fgiga [73]3 years ago
6 0
0.800

Look directly at the number to the right of the underlined digit.
0-4 keep the underlined number
5-9 round up the underlined number
You might be interested in
Zoey invested $230 in an account paying an interest rate of 6.3% compounded daily.
alukav5142 [94]

Answer:

A ≈ $500

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

Compounded Interest Rate: A = P(1 + r/n)ⁿˣ

  • A is final amount
  • P is initial (principle) amount
  • r is rate
  • n is number of compounds
  • x is number of years

Step-by-step explanation:

<u>Step 1: Define</u>

P = 230

r = 0.063

n = 365

x = 12

<u>Step 2: Solve for </u><em><u>A</u></em>

  1. Substitute:                    A = 230(1 + 0.063/365)³⁶⁵⁽¹²⁾
  2. Divide:                          A = 230(1 + 0.000173)³⁶⁵⁽¹²⁾
  3. Multiply:                        A = 230(1 + 0.000173)⁴³⁸⁰
  4. Add:                              A = 230(1.00017)⁴³⁸⁰
  5. Exponents:                   A = 230(2.1296)
  6. Multiply:                        A = 489.808
3 0
3 years ago
Read 2 more answers
Suppose m = 2 + 6i, and | m + n | = 3√10, where n is a complex number.
Ksju [112]

Answer: a) √50

b) n = 1 + 7i

Step-by-step explanation:

first, the modulus of a complex number z = a + bi is

IzI = √(a^2 + b^2)  

The fact that n is complex does not mean that n doesn't has a real part, so we must write our numbers as:

m = 2 + 6i

n = a  + bi

Im + nI = 3√10

Im + n I = √(a^2 + b^2 + 2^2 + 6^2)= 3√10

            = √(a^2 + b^2 + 40) = 3√10

             a^2 + b^2 + 40 = 3^2*10 = 9*10 = 90

             a^2 + b^2 = 90 - 40 = 50

            √(a^2 + b^2 ) = InI = √50

The modulus of n must be equal to the square root of 50.

now we can find any values a and b such a^2 + b^2 = 50.

for example, a = 1 and b = 7

1^2 + 7^2 = 1 + 49  = 50

Then a possible value for n is:

n = 1 + 7i

6 0
3 years ago
Find the value of the expression (5-3) x 2+6
Assoli18 [71]

Answer:

Its value is 10.

Step-by-step explanation:

Use order of operations,  PEMDAS.

The parentheses are worked out first:-

(5 - 3) X 2 + 6

= 2 X 2 + 6

Now the multiplication:-

= 4 + 6

= 10 (answer).

5 0
3 years ago
What is x square minus x minus 12=0?
bonufazy [111]
I believe it's 12=0

Hope I helped! ( Smiles )

6 0
3 years ago
Is 12:6 more than 3:2
Dahasolnce [82]
Yes. Think of it as a fraction -
12/6 reduces to 4/2.
4/2 > 3/2.
4 0
3 years ago
Read 2 more answers
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