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3 years ago

What is the answer to -6n + 5 < 11

Mathematics

1 answer:

irinina [24]3 years ago

3 0

5.11, i used the produatecr formula

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I'm really struggling with this question. Please help!

gavmur [86]

I got 23 u might want to check it tho

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4 years ago

which complex number has a distance of √17 from the origin on the complex plane?a. 2 15ib. 17 ic. 20 - 3id. 4 - i

Rus_ich [418]

Let $z=a+bi$ . $|z| = \sqrt{a^2+b^2}$ , so:
$|z_a| = \sqrt{0+15^2} = 15 \neq \sqrt{17} \\ |z_b| = \sqrt{0+17^2} = 17\neq \sqrt{17} \\ |z_c| = \sqrt{20^2+3^2} \ \textgreater \ \sqrt{20^2} = 20\ \textgreater \ \sqrt{17} \\\\ \boxed{|z_d| = \sqrt{4^2+1^2} = \sqrt{16+1} = \sqrt{17}}$

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4 years ago

The price index was 120 in 2012 and 126 in 2013. what was the inflation rate?

Maru [420]

That would be (126 - 120) / 120 = 5/120 = 5%

Its b

7 0

4 years ago

Read 2 more answers

Write an equation in point-slope form for the line that has a slope of 4/5 and contains the point (−5, −3).

ankoles [38]

y = mx + b, where m = slope, and b = y-intercept.

Since you are not given the y-intercept, you have to solve for it through the equation, y = (4/5)x (which is the slope you are given) + b, and replace x and y with values given, which are (-5,-3)

y = (4/5)x + b

-3 = (4/5)(-5) + b

-3 = -4 + b

1 = b

Then replace b in the first equation to get the answer

y = (4/5)x + 1

5 0

4 years ago

At a factory that produces pistons for cars, Machine 1 produced 174 satisfactory pistons and 116 unsatisfactory pistons today. M

m_a_m_a [10]

Answer:

$0.7$ is the probability that the piston chosen from Machine 1 is satisfactory and the piston chosen from Machine 2 is unsatisfactory

Step-by-step explanation:

The two events are independent of each other.

Hence the probability of choosing satisfactory piston from Machine 1 and unsatisfactory piston from Machine 2 is equal probability of choosing satisfactory piston from Machine 1 + probability of choosing unsatisfactory piston from Machine 2

Substituting the given values we get

Probability of choosing satisfactory piston from Machine 1 and unsatisfactory piston from Machine 2 = $\frac{174}{174 +116} + \frac{20}{180 +20}$

= $\frac{174}{174 +116} + \frac{20}{180 +20}$

= $= \frac{174}{290} + \frac{20}{200}\\= 0.6 + 0.1\\= 0.7$

5 0

3 years ago