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2 years ago

I will mark Brainlyist write a equation for the line shown below

Mathematics

1 answer:

Ksenya-84 [330]2 years ago

4 0

Answer:

5 1/2 and -5 1/2

Step-by-step explanation:

thats just what the arrows point to

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4w+5z=30 solve for w

zepelin [54]

Answer:

$w=\frac{30-5z}{4}$

Step-by-step explanation:

$4w+5z=30\\\\4w+5z-5z=30-5z\\\\4w=30-5z\\\\\frac{4w=30-5z}{4}\\\\\boxed{w=\frac{30-5z}{4}}$

Hope this helps.

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3 years ago

How many pieces do I need for 1:3 ratios?

Lemur [1.5K]

Answer:

Step-by-step explanation:

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2 years ago

Read 2 more answers

Heeeeelp!!!!!!

nydimaria [60]

Answer:

29 nickels, 12 dimes

If the number of nickels is 7 less than three times the number of dimes, the answers should be 29 nickels and 12 dimes. Hope it helps!

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3 years ago

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An article presents voltage measurements for a sample of 66 industrial networks in Estonia. Assume the rated voltage for these n

kramer

Answer:

We accept the null hypothesis and conclude that voltage for these networks is 232 V.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 232 V

Sample mean, $\bar{x}$ = 231.5 V

Sample size, n = 66

Sample standard deviation, s = 2.19 V

Alpha, α = 0.05

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 232\\H_A: \mu \neq 232$

We use Two-tailed t test to perform this hypothesis.

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n-1}} }$ Putting all the values, we have

$t_{stat} = \displaystyle\frac{231.5- 232}{\frac{2.19}{\sqrt{66}} } = -1.8548$

Now,

$t_{critical} \text{ at 0.05 level of significance, 9 degree of freedom } = \pm 1.9971$

Since,

$|t_{stat}| > |t_{critical}|$

We accept the null hypothesis and conclude that voltage for these networks is 232 V.

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2 years ago

IF anyone wants to join the clan I'm in. U can but u need to be good at the game. If you're good not. It's ok we help u train or

Aleks04 [339]

Answer:

there are agario clans now?

Step-by-step explanation:

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3 years ago

I will mark Brainlyist write a equation for the line shown below​

I will mark Brainlyist write a equation for the line shown below