1 year ago

Easy Problem for you guys to solve!

Mathematics

2 answers:

Kobotan [32]1 year ago

8 0

The answer is 42 and 48

Julli [10]1 year ago

3 0

The angle is 42 degrees and its complement is 48 degrees

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Quality control is an important issue at ACME Company which manufacturers light bulbs. In order to conduct testing of the life h

mrs_skeptik [129]

Answer: 3424.28

Step-by-step explanation:

Given data : 378, 361, 350, 375, 200, 391, 375, 368, 321

Number of data values = 9

Mean : $\overline{x}=\dfrac{\sum^n_{i=1} x_i}{n}$

$\\\\=\dfrac{378+361+350+375+200+391+375+368+321}{9}\\\\=\dfrac{3119}{9}\approx346.56$

Variance = $\dfrac{\sum^n_{i=1} (x_i-\overline{x})^2}{n-1}$

$\sum^n_{i=1} (x_i-\overline{x})^2 = (31.44)^2+(14.44)^2+(3.44)^2+(28.44)^2+(-146.56)^2+(44.44)^2+(28.44)^2+(21.44)^2+(-25.56)^2\\\\=27394.2224$

Variance = $\dfrac{27394.2224}{8}=3424.2775\approx3424.28$

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2 years ago

Divide using LONG Division<br> (m? + 2m - 15) + (m + 5)

user100 [1]

Answer:

I hope you got it and it helped you

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2 years ago

Find the slope of the line

OlgaM077 [116]

Answer:

-1/2

Step-by-step explanation:

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slavikrds [6]

Answer:

She should use 3/8 cup of jalapenos.

Step-by-step explanation:

This is because 1 1/2 is three times of 1/2 so you times 1/8 by three as well which equals to 3/8 cup of jalapenos.

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2 years ago

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natka813 [3]

.5x=10+.25x
.25x=10
x=40
When you buy 40 songs
The cost equals 20$

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2 years ago