3 years ago

(6, –3) and (6, –11) (6, –5) and (6, –9) (10, –7) and (2, –7) (8, –7) and (4, –7)

Mathematics

1 answer:

ivolga24 [154]3 years ago

3 0

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What number decreased by 3.5 equals 12.7?

mihalych1998 [28]

Answer:

16.2

Step-by-step explanation:

you add 3.5 to 12.7

3.5 + 12.7 = 16.2

hope this helps

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2 years ago

Heron's Formula:

zlopas [31]

Answer:

√s(s-a) (s-b) (s-c)

Step-by-step explanation:

123456

herons formula

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1 year ago

At the beginning of the week, a puppy weighed 5 1/4 pounds. During the week, the puppy gains 8 ounces.

lys-0071 [83]

Answer:

5 3/4

Step-by-step explanation:

8 ounces is half (1/2) of a pound

1/2 is equivalent to 2/4

So I added 5 1/4 and 2/4

Which gives us 5 3/4

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2 years ago

Can somebody tell me how to solve these kind of problems?

Ugo [173]

Answer: 918km^2

Step-by-step explanation:

$area(a): 1700km^2\\percentage(p): 5.75 = \frac{5.75}{100}=0.0575\\years(y): 8$

Let x be the new dimension of the area;

$x=a-(a*p*y)$

$x=(1700km^2)-(1700km^2*0.0575*8)\\x=1700km^2-782km^2\\x=918km^2$

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3 years ago

Find the inverse function y=-5x+20

Nezavi [6.7K]

Answer:

$y= \frac{-1}{5} x +4$

Step-by-step explanation:

We can find the inverse function of this excercise, isolating X and then changing the variables.

$y=-5x+20\\y-20=-5x\\\frac{y-20}{-5} =x\\$

$\frac{y}{-5}-\frac{20}{-5} = x\\\frac{-1}{5}y+\frac{20}{5} =x\\ \frac{-1}{5}y+4 =x$

And now we change the variables and we get the inverse function:

$y= \frac{-1}{5} x +4$

7 0

2 years ago