3 years ago

PLZ answer with shown proof answer number 9 please

Mathematics

1 answer:

KIM [24]3 years ago

8 0

Answer:

Step-by-step explanation:

If y=3, and x= -1, then something needs to be there. 3- -1= 4. 4-0=4. 5-1=4 and so on.

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The diagonals of a quadrilateral bisect at right angles. What type of quadrilateral is this?

arsen [322]

square

Step-by-step explanation:

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2 years ago

6multiplied by 3 to the -2nd power minus 3 to the fourth power multiplied by 9 plus 4 to the 0th power

Contact [7]

Answer in fraction form is -2182/3
Answer in decimal form is -727.3*
Answer in Mixed number form -737 1/3

5 0

3 years ago

If you were present 120 days out of 124 days what percent were you present

emmainna [20.7K]

Answer:

~96.6

Step-by-step explanation:

120/124 is 30/31 or 60/62 or 96.6/99.82

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3 years ago

Please help!!! 98 Points!!! Find the values of x and z.

Anna007 [38]

Answer:

z=63°{vertically opposite angle}

now,

z+10x+97=18o°{straight angle}

63+10x+97=180°

10x=180-133

x=20

10

x=2

hope it helps.

5 0

2 years ago

The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.35 inches and a standard deviatio

Fiesta28 [93]

Answer:

15.87%

Step-by-step explanation:

Notice that the mean of 0.35 inches with a standard deviation of 0.01 gives you when you add (to the right of the distribution), exactly 0.36. Since you want to find the probability (or percentage) of the bolts that have diameter LARGER than 0.36 in, that means you want to estimate the area under the Normal distribution curve from 0.36 to the right). See attached image.

We can use the tables of Z distribution for that, or the standard normal tables:

P(x>0.36) = P(z>(0.36-0.35)/0.01) = P(Z>1) = 0.1587 = 15.87%

7 0

2 years ago