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Inessa [10]
4 years ago
9

I just need help with 4-6

Mathematics
1 answer:
Alik [6]4 years ago
6 0
Think of it as subtracting 4-4 which is 0 and subtracting that remainder two.
4-6=-2
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The answer would be 1
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Speed of light is about 3.00x10^8 meters/seconds convert to meters/hours
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<span>3.00 X 10^8 m/s... 
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3 years ago
Which of the following options is equivalent to 140% Select all that apply.
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Change each of the options into percentage
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Option A: Decimal to percentage: x100
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0.14 x 100 = 14%

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Option 2: Fraction to percentage: x100
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Option D: Decimal to percentage: x 100
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5 0
4 years ago
Read 2 more answers
Which is a solution to the equation?
Brrunno [24]

Answer:

-7 or 4

Step-by-step explanation:

use foil to get the quadratic equation:

x^2+5x-2x-10=18

x^2+3x-10=18

bring "18" to the left:

x^2+3x-10-18

x^2+3x-28

so what*what= -28

and

what+what=3

factors of -28: -7,4   -4,7   14,-2   -14,2    -28,1   -1,28

factors whose sum is 3: 7,-4

so substitute "7,-4" in place of 3:

x^2+7x-4x-28

2) split it in two groups

group 1) x^2+7x

group 2) -4x-28

x^2+7x has a GCF of "x"

x(x+7)

group 2) -4x-28 has a gcf of "-4"

-4(x+7)

3) (x-4) (x+7)=0

x-4=0

x=4

x+7=0

x=-7

x=4,-7

Hope this helps!

4 0
3 years ago
Four friends participated in a speed-typing contest. Who has the slowest typing speed? Georgie: 320 words in 8 minutes Tara: 403
dsp73
Frank has the lowest typing speed, at only 39.5 words per minute.

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Georgie has 40 wpm
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