2 years ago

HELP I NEED HELP ASAP

Mathematics

1 answer:

yKpoI14uk [10]2 years ago

7 0

Answer:

Option C is the correct answer

Step-by-step explanation:

C. Multiply both sides of the equation by 20

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Contact [7]

Each pair of interior angle and the exterior angle
So the exterior angle = 360° - the interior angle.

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3 years ago

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A family spends $450 every month on food. If the family’s income is $1,800 each month, what percent of the income is spent on fo

baherus [9]

Answer:

25%

Step-by-step explanation:

10(450/1800)

8 0

2 years ago

12598 round to the nearest thousand

MakcuM [25]

12598 rounded to the nearest thousands is 1260

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3 years ago

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Dan's goal is to raise more than $4000.00 in order to buy a car his senior year. If he has $2150 saved already and has a job tha

Neko [114]

Answer:

185

Step-by-step explanation:

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2 years ago

Consider a manufacturing process called as turning (a type of machining process) that is used to manufacture cylindrical metal s

Sav [38]

Answer: 86.64%

Step-by-step explanation:

Let x be a random variable that represents the diameter of metal samples.

Given : Population mean : $\mu=10$

Standard deviation: $s=0.50$

Specified tolerance on the diameter is 0.75 mm.

i.e. range of diameter = 10-0.75< x <10+0.75 = 9.25< x< 10.75

Formula to find the z-score corresponds to x: $z=\dfrac{x-\mu}{s}$

At x= 0.75, $z=\dfrac{9.25-10}{0.50}=-1.5$

$z=\dfrac{9.25-10}{0.50}=1.5$

Using standard normal table for z-value,

P-value : $p(-1.5$

∴ Percentage of samples manufactured using this process satisfy the tolerance specification = 86.64%

6 0

3 years ago