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3 years ago

* Write the equation in standard form using integers. y=-4/5x+3

Mathematics

1 answer:

svetoff [14.1K]3 years ago

6 0

Answer:

4x + 5 y = 15

Step-by-step explanation:

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3 years ago

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Takes a word processor 20 minutes to spell check 6 pages, how long to check 27 pages

ivann1987 [24]

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Answer:

90 minutes

Step-by-step explanation:

Assuming the time is proportional to the number of pages, you have ...

time/pages = 20/6 = T/27

Multiplying by 27 gives ...

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It is expected to take 90 minutes to check 27 pages.

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3 years ago

Determine the value of x. A. 4√2 B. 2/√2 C. 2√2 D. 2

ZanzabumX [31]

Answer:

$\huge\boxed{\sf C.}$

Step-by-step explanation:

sin 45 = opposite / hypotenuse

Where opposite = x , hypotenuse = 4

sin 45 = x / 4

$\sf \frac{\sqrt{2} }{2 } = \frac{x}{4} \\\\x = \frac{4\sqrt{2} }{2} \\\\x = 2\sqrt{2} \\\\\rule[225]{225}{2}$

Hope this helped!

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3 years ago

What is three fourths plus one third plus two sixths

Goshia [24]

You need to get a common denominator. 3/4= 9/12 because 3x4=12 and 3x3=9. you must do the same thing to both sides. 1/3=4/12 because 3x4=12 and 1x4=4.
2/6=4/12 because 6x2=12 and 2x2=4. 9/12+4/12+4/12=17/12, or 1 5/12. You keep the denominator and add the numerators.

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3 years ago

The radius of a circle is 3 inches . What is the circumference of the circle ?

Vlada [557]

Answer:

Option C

Step-by-step explanation:

Circumference of a circle is:

$C=2\pi r$

r - radius

We are given the radius of 3 inches.

$C=2\pi r\\\\C=2(3)\pi \\\\C=\boxed{6\pi }$

Option C should be the correct answer.

Hope this helps!

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3 years ago