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3 years ago

Which is the same as 10-2? A) 0.0001 B) 0.001 C) 0.01 D) 100

Mathematics

1 answer:

IceJOKER [234]3 years ago

3 0

The correct answer is C. This is because
10^-2 = 1/10^2 which is 0.01

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Q(a+1) - 2q(a) if q(x) = x²+3x+4

siniylev [52]

$q(x) = {x}^{2} + 3x + 4$

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Step(1)

To find q(a) we just need to put a instead of x in q(x) function.

Let's do it...

$q(a) = {a}^{2} + 3a + 4$

Multiply sides by -2 :

$- 2q(a) = - 2( {a}^{2} + 3a + 4)$

$- 2q(a) = - 2 {a}^{2} - 6a - 8$

_________________________________

Step (2)

To find q(a+1) we just need to put a+1 instead of x in q(x) function.

Let's do it...

$q(a + 1) = ({a + 1})^{2} + 3(a + 1) + 4 \\$

$q(a + 1) = {a}^{2} + 2a + 1 + 3a + 3 + 4 \\$

$q(a + 1) = {a}^{2} + 5a + 8$

_________________________________

Step (3)

$q(a + 1) - 2q(a) =$

${a}^{2} + 5a + 8 - 2 {a}^{2} - 6a - 8 = \\$

$- {a}^{2} - a = - a(a + 1)$

And we're done.

Thanks for watching buddy good luck.

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8 0

3 years ago

The variable Z is directly proportional to X. When X is 5, Z has the value 55.

LuckyWell [14K]

Z = k * x
55 = k * 5
divide both sides by 5
11 = x

z = 11x

z = 11 * 12
z = 132

6 0

3 years ago

Julian spends 85 min on HW each day. If 20% of the time is spent on math HW, how many minutes a day is Julian spending on math H

allsm [11]

The answer is 17 minutes

7 0

2 years ago

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A relay race is a mile long and is run by 4-member teams. If each team member runs the same distance, what fraction of a mile do

Anna [14]

4 divided by 1 Ewqila

7 0

2 years ago

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The asset turnover of Ryan Company is 7.2. The total assets of Ryan are $88,000. Ryan's net sales were:

nikitadnepr [17]

Let A be asset turnover, R revenue, and S assets. You already know the equation for asset turnover:
A = R/S

Since we need to calculate revenue, we need to modify the equation a bit:
R = A*S
R = 7.2*88000
R = 633,600

This means that Ryan's net sales (revenue) were $633,600.

5 0

3 years ago