I kinda need help with this i’ve already done all the other questions but this one and i really want these 600 points :( <3

Mathematics

1 answer:

lawyer [7]3 years ago

6 0

I think that the answer is A, because in the range, none of the numbers should be the same, and the numbers are all different in choice A

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ms.halquist and 3 friends went to eat sushi.The meal cost 45$ and they paid waitress a 15%tip .how much was the bill?

brilliants [131]

Answer: 51.75$

Step-by-step explanation: First, turn 15% into the decimal 0.15, then multiply by 45, which equals 6.75. Now add 6.75, which is the amount the waitress got tipped to 45, which equals 51.75$ total.

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3 years ago

The volume of this cylinder is 20,403.72 cubic yards. What is the radius? Use ≈ 3.14 and round your answer to the nearest hund

MakcuM [25]

The formula for the volume of a cylinder is V=3.14r^2(h).
So substituting the volume: 20,403.72=3.14r^2(h).

To solve for ‘r’, divide both sides by 3.14h
r^2=6,498/h
Then find square root of both sides
r= sqrt(6,498/h)
Since ‘h’ is not specified here, it cannot be solved further.

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2 years ago

What is the two equivalent forms for 0.24

oksano4ka [1.4K]

24/100 or 12/50 are both equal to .24

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3 years ago

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How do I graph this?

a_sh-v [17]

Answer:

m/8

Step-by-step explanation:

the equation would be 8y/8 =y and x/8= x/8. y=x/8 so you would start the line at 0 and count 8 units to the right and 1 unit up

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3 years ago

Can you think of any 2x2 matrices d for which cd = dc for all 2x2 matrices c? give 2 different examples of such matricesd.

Ksju [112]

For any arbitrary 2x2 matrices $\mathbf C$ and $\mathbf D$ , only one choice of $\mathbf D$ exists to satisfy $\mathbf{CD}=\mathbf{DC}$ , which is the identity matrix.

There is no other matrix that would work unless we place some more restrictions on $\mathbf C$ . One such restriction would be to ensure that $\mathbf C$ is not singular, or its determinant is non-zero. Then this matrix has an inverse, and taking $\mathbf D=\mathbf C^{-1}$ we'd get equality.

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3 years ago