2 years ago

There are 1,920 fences posts used in a 12- kilometer stretch of fences How many fences posts are used in 1 kilometer of fence

Mathematics

1 answer:

Nastasia [14]2 years ago

4 0

1920÷12= 160

Step-by-step explanation:

1920÷12= 160

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Plz help, 15 points!

Eduardwww [97]

Answer:

$2x+3y=-6$

Step-by-step explanation:

Let the line is $y=mx+b$ where $m$ is slope and $b$ is $y-intercept$ .

The line is parallel to $2x+3y=3$ , slope of both the lines will be same.

Find the slope of $2x+3y=3$

$3y=3-2x\\y=-\frac{2}{3}x+1$

Slope of line $=-\frac{2}{3}$

$m=-\frac{2}{3}$

So the line will be $y=-\frac{2}{3}x+b$

It passes through $(3,-4)$ .

$-4=-\frac{2}{3}\times 3+b\\-4=-2+b\\b=-2\\$

Hence the line is $y=-\frac{2}{3}x-2$

$y=-\frac{2}{3}x-2\\3y=-2x-6\ \ \ \ \ \ \ (Multiply both sides by 3)\\2x+3y=-6$

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2 years ago

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DochEvi [55]

Answer:

Step-by-step explanation:

43 +4 make sure you add them

47 +2

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2 years ago

A 20 packet box of detergent sells for $5.49. What is the unit rate

jolli1 [7]

Answer:$0.27

Step-by-step explanation:

20=$5.49

1=20/5.49

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2 years ago

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Serga [27]

Answer:

6.3+1.1

Step-by-step explanation:

The communitive property of addition states that no matter what order of the numerical values the answer will be the same. hope this helps

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3 years ago

A set of cards contains cards numbered 1-10. Mrs. Jacobs class is conducting an experiment in which a card Is drawn from the pil

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Step-by-step explanation:

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