2 years ago

Giving brainless to whoever answer this!!!

1 answer:

5 0

Math gives us the way to understand patterns and to predict the future it helps with global understanding and communication even to help us solve complex in real world problems

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4x = 40 a) X =10 b) X = 36 c) X = 44 D) x = 160

goldfiish [28.3K]

Answer: ax=10 cause u multiply 4x10=40=40

Step-by-step explanation:

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2 years ago

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In a metal fabrication process, metal rods are produced to a specified target length of 15 feet. Suppose that the lengths are n

Leto [7]

Answer:

95% Confidence interval: (14.4537 ,15.1463)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 15 feet

Sample mean, $\bar{x}$ = 14.8 feet

Sample size, n = 16

Alpha, α = 0.05

Sample standard deviation, σ = 0.65 feet

Degree of freedom = n - 1 = 15

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 15 and}~\alpha_{0.05} = \pm 2.1314$

$14.8 \pm 2.1314(\dfrac{0.65}{\sqrt{16}} ) \\\\= 14.8 \pm 0.3463 = (14.4537 ,15.1463)$

is the required confidence interval for the true mean length of rods.

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3 years ago

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Suppose a new car is purchased for $46,357 and depreciates by 22% over the first year of ownership. If the car is driven 12,170

miss Akunina [59]

Answer:check the pic

Step-by-step explanation:

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2 years ago

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Graph the linear equation find three points that solve the equation then plot on the graph 2y=-x+2

balu736 [363]

I guess this is the line
$\binom{0}{2} \binom{2}{3} \binom{4}{4}$

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3 years ago

17 cm

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