2 years ago

I need help with that

Mathematics

2 answers:

alukav5142 [94]2 years ago

8 0

If i remember correctly.. it’s C, you cant have the X values repeating.

statuscvo [17]2 years ago

6 0

Letter c I think it is

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If s waves travel at 5 km/s how long do they take to travel 100 km

bixtya [17]

20 seconds
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Identify two ratios that are equivalent to 3:5

s344n2d4d5 [400]

The correct answer is 15:25

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Bob says that when he multiplies (x+3) (x-3) he gets x^2-6x-9 is he correct explain

almond37 [142]

(x+3)(x-3)
x*x=x^2
x*-3=-3x
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x^2-3x+3x-9

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2 years ago

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bonufazy [111]

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3 0

2 years ago

SashulF [63]

Answer:

$n = -5$

Step-by-step explanation:

Given

$Digit = 0.000025$

Required

Rewrite using scientific notation, then find n

$Digit = 0.000025$

Express as fraction

$Digit =\frac{25}{1000000}$

This can be splitted to

$Digit = 25 * 10^{-6}$

The first number must be between 1 and 10; hence, 25 can be expressed as 2..5 * 10

$Digit = 2.5 * 10* 10^{-6}$

Apply law of indices

$Digit = 2.5 * 10^{1-6}$

$Digit = 2.5 * 10^{-5}$

Comparing n, the given options

$n = -5$

7 0

2 years ago