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Serjik [45]
3 years ago
5

Solve for k t=2/5(wk+z)

Mathematics
2 answers:
Trava [24]3 years ago
7 0
That’s it it is given step by step so good luck

garri49 [273]3 years ago
4 0

Answer: K= - x/5-1

Step-by-step explanation:

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Which statement shows the associative property of addition?
DaniilM [7]
<span>associative property of addition

answer is 
</span><span>(u + 7) + 13 = u + (7 + 13)</span>
8 0
3 years ago
How do you think you could simplify f(x) + g(x) if f(x) = 3x + 2 and g(x) = 4x?
NARA [144]

Step-by-step explanation:

f(x) = 3x + 2

g(x) = 4x

= f(x) + g(x)

= 3x + 2 + 4x

= (3 + 4)x + 2

= 7x + 2

(f+g)(x) = 7x + 2

7 0
3 years ago
5.44 Teaching descriptive statistics: A study compared five different methods for teaching descriptive statistics. The five meth
maria [59]

Answer:

The null hypothesis is that all the different teaching methods have the same average test scores.

H0: μ1 = μ2 = μ3 = μ4 = μ5

The alternative hypothesis is that at least one of the teaching methods have a different mean.

Ha: at least one mean is different. (μ1 ≠ μi)

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above, let μ represent the average test scores for the teaching methods:

The null hypothesis is that all the different teaching methods have the same average test scores.

H0: μ1 = μ2 = μ3 = μ4 = μ5

The alternative hypothesis is that at least one of the teaching methods have a different mean.

Ha: at least one mean is different. (μ1 ≠ μi)

7 0
3 years ago
Use polar coordinates to find the limit. [if (r, θ) are polar coordinates of the point (x, y) with r ≥ 0, note that r → 0 as (x,
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3 0
3 years ago
Please help me !! Giving brainliest!!
Neporo4naja [7]

Answer:

O <u>4th option</u> : <u>(-4, -2)</u>

Step-by-step explanation:

⇒ 9x - 9y = -18

⇒ -<u>6x + 9y = 6</u>

  • 3x = -12
  • x = -4

  • 9(-4) - 9y = -18
  • -36 - 9y = -18
  • -9y = 18
  • y = -2

⇒ (x , y)

⇒ <u>(-4, -2)</u>

3 0
2 years ago
Read 2 more answers
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