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muminat
3 years ago
14

(5.6 x 10^7)(1.05 x 10^-3) list the answer in specific scientific notation

Mathematics
1 answer:
Advocard [28]3 years ago
4 0
5.6 × 10⁷ × 1.05 × 10⁻³

= 5.6 × 1.05 × 10⁷ ⁺ ⁻³

= 5.88 × 10⁴
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What equivalent matches <br> (x - 6 + I)(x - 6 - i)
alex41 [277]

Good evening ,

Answer:

(x - 6 + i)(x - 6 - i) = x² - 12x + 37

Step-by-step explanation:

(x - 6 + i)(x - 6 - i) = [(x - 6) + i]×[(x - 6) - i] = (x-6)² - i² = (x-6)² + 1 = x² - 12x + 37 .

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3 years ago
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Find the percent of change in the perimeter.
WINSTONCH [101]

Answer:

-30%

Step-by-step explanation:

currently, the perimeter is: 4 + 6 + 4 + 6 = 20 in.

when the width of 4 in is decreased by 3 in, the new width become (4-3) in = 1 in

therefore, the new perimeter is: 1 + 6 + 1 + 6 = 14 in

the change in perimeter is: 20 in - 14 in = 6 in

now, the percent of change in perimeter will be:

\frac{change- in -perimeter}{original -perimeter} *100 = \frac{6}{20}*100 = 30%

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7 0
3 years ago
Factor completely 9x2 42x 49. (3x 7)(3x − 7) (9x − 7)(9x − 7) (3x 7)(3x 7) (9x 7)(9x 7).
sweet-ann [11.9K]

Factors of the given expression by splitting middle term of expression9x^2+42x+49 will be (3x+7) and (3x+7).

Given expression is

9x^2+42x+49

<h3>What is a factor?</h3>

A factor is a number that divides another number leaving no remainder

After we split 42x into 21x each,

The expression looks like,

9x^2+21x+21x+49

3x(3x+7)+7(3x+7)\\

Taking 3x+7 as common

(3x+7) (3x+7)

So factors will be (3x+7) and (3x+7).

Therefore,

Factors of the given expression 9x^2+42x+49 will be (3x+7) and (3x+7).

to get more about factors refer to:

brainly.com/question/25829061

6 0
3 years ago
How do you convert a decimal into a percentage?
gogolik [260]
Multiply the decimal by 100. Then add the % sign.
7 0
3 years ago
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