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Alex777 [14]
2 years ago
7

24=x^2−4x+3 completing the square

Mathematics
1 answer:
Mars2501 [29]2 years ago
8 0

Answer:

-3,7

Step-by-step explanation:

See the Image below:)

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On a snowy day 85% of the students of Wilson high school were present. If 572 of the students were present, how many students we
r-ruslan [8.4K]

Answer:

673

Step-by-step explanation:

okay so uh this is my way and the answer works so like yea teachers dont show like this but ii figured this works

okay so

85/100 = 572/?

so if you divide 85 by 85 its gonna equal 1 and 1 times 100 is gonna be 100

useing the same concept, it should be the same with 572 , but instead of divideing by 572, divide by 85.

basically 572/85

okay now thats gonna give you 6.72941176471 thats vasically 1% of the population.

so multiply 6.72941176471 * 100

so now you have

672.941176471 and you can round this to 673 kids.

and you know its right since 85% of 673 is 572.05 and you can sound to 572

7 0
2 years ago
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OverLord2011 [107]
The first step is to divide by four to both sides
8 0
2 years ago
A square has side length of 9 in. If the area is doubled, what happens to the side length?
Alika [10]

Answer:

The side length is multiplied by \sqrt{2}

Step-by-step explanation:

we know that

The area of the original square is equal to

A=9^{2}=81\ in^{2}

If the area is doubled

then

The area of the larger square is

A1=(2)81=162\ in^{2}

Remember that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z ----> the scale factor

x ----> the area of the larger square

y ---> the area of the original square

so

z^{2}=\frac{x}{y}

we have

x=162\ in\^{2}

y=81\ in\^{2}

z^{2}=\frac{162}{81}

z^{2}=2

z=\sqrt{2} ------> scale factor

therefore

The side length is multiplied by \sqrt{2}

7 0
2 years ago
Help plz :((<br> I'll give brainliest
AleksAgata [21]
A) condensation
B) the air around the glass of ice water is cooled. Moisture in the air condenses out once the temperature of the air reaches below the dew point.
C) evaporation
D) as the water is left out the warm temperatures allows the water to evaporate over time.
8 0
3 years ago
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Estimate the answer to:<br> 341 ÷ 0.28
Snezhnost [94]

Answer:

341 ÷ 0.28=1217,85714286

Step-by-step explanation:

4 0
3 years ago
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