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PIT_PIT [208]
3 years ago
5

Does -2 4/5 + 6 1/3= 2/5

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
6 0

Answer:

yes.

Step-by-step explanation:

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If there are 48 fish and half of them drown, how many of them are left? My teacher said that this was a hard question, so it's w
Elenna [48]
There would be 24 fish left because 48/2 = 24 
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3 years ago
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What is the image of (4, -12) after a dilation by a scale factor of 1/4 centered at the origin?​
Aleonysh [2.5K]

The answer is (-1,-3)

All you have to do is divide your point by 4, since it is a fraction. if its not then multiply.

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3 years ago
Please help the distance formula
Alexxandr [17]

Answer:

7.8

Step-by-step explanation:

distance formula : d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

where the x and y values are derived from the given points

here the given points are (11,3) and (6,9)

<u>assigning variables</u>

(x1,y1) = (11,3) so x1 = 11 and y1 = 3

(x2,y2) = (6,9) so x2 = 6 and y2 = 9

<u>plugging in values into formula</u>

recall formula d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

==> plug in x1 = 11 , y1 = 3 , x2 = 6 and y2 = 9

d=\sqrt{(6-11)^2+(9-3)^2}

==> subtract values in parenthesis

d=\sqrt{(-5)^2+(6)^2}

==> evaluate exponents

d=\sqrt{25+36}

==> add 25 and 36

d=\sqrt{61}=7.8 ( approximately )

8 0
2 years ago
Simplify (6 + 5x) + (7x + 3)
sashaice [31]
Combine Like Terms:<span>

=<span><span><span>6+<span>5x</span></span>+<span>7x</span></span>+3</span></span><span>

=<span><span>(<span><span>5x</span>+<span>7x</span></span>)</span>+<span>(<span>6+3</span>)</span></span></span><span>

=<span><span>12x</span>+<span>9


</span></span></span>
8 0
3 years ago
The height of a street light is 21 feet. It casts a 20−foot shadow. At the same time, a man standing next to the street light ca
ivolga24 [154]
5.25 ft

just divide 20/5 and that equal 4. so to find the height of the man you divide 21 by 4
6 0
3 years ago
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