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tatyana61 [14]
3 years ago
15

Write this number in standard form. 1 x 1 + 8 x 1/100 + 9 x 1/1000,

Mathematics
2 answers:
Mariana [72]3 years ago
6 0
The answer is 1.089.
Mumz [18]3 years ago
6 0
<span>solution: 1 x 1 + 8 x 1/100 + 9 x 1/1000 As per the rule of order of operations i.e. division, multiplication , addition and subtraction, it will become: = 1 x 1 + 8 x 0.01 + 9 x 0.001 = 1 + 0.08 + 0.009 = 1.08 + 0.009 = 1.089 Answer will be 1.089</span>
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3 years ago
(2x² - 5x-3)/ (x-3)<br> DIvide the polynomials
Anika [276]

Answer:

2x + 1

Step-by-step explanation:

\frac{(2x² - 5x-3)}{(x - 3)}

Factor out 2x² - 5x-3

\frac{(2x + 1)(x - 3)}{x - 3}

divide x - 3 by x - 3

=> 2x + 1

<em><u>Or another step</u></em>

Step by Step Solution

STEP

1

:

Equation at the end of step 1

STEP

2

:

2x² - 5x - 3/ x - 3

Trying to factor by splitting the middle term

2.1 Factoring 2x² - 5x - 3

The first term is, 2x² its coefficient is 2 .

The middle term is, -5x its coefficient is -5 .

The last term, "the constant", is -3

Step-1 : Multiply the coefficient of the first term by the constant 2 • -3 = -6

Step-2 : Find two factors of -6 whose sum equals the coefficient of the middle term, which is -5 .

-6 + 1 = -5 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -6 and 1

2x² - 6x + 1x - 3

Step-4 : Add up the first 2 terms, pulling out like factors :

2x • (x-3)

Add up the last 2 terms, pulling out common factors :

1 • (x-3)

Step-5 : Add up the four terms of step 4 :

(2x+1) • (x-3)

Which is the desired factorization

Canceling Out :

2.2 Cancel out (x-3) which appears on both sides of the fraction line.

Final result :

2x + 1

6 0
2 years ago
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Sati [7]
The answer is D-8.

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So all I did was multiply 2 by 4 and got 8. The number 4 came from the thought that 2 hours have 4 sets of 30 minutes
3 0
3 years ago
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