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Viefleur [7K]
1 year ago
7

!!!HELP!!!

Mathematics
1 answer:
matrenka [14]1 year ago
5 0

Answer: C. Parabola

Definition: a parabola is a conic section in which it is mostly characterised of having a U-shape wherein it is symmetrical and an open plane curve.

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Simplify the expression to a + bi form:<br> (-7 - 3i) + (-5 + 10i)
Harman [31]

Answer:

-12+7i

Step-by-step explanation:

(-7-3i)+(-5+10i)

-7-3i-5+10i

-7-5-3i+10i

-12-3i+10i

-12+7i

Please mark me as Brainliest if you're satisfied with the answer.

6 0
2 years ago
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Work out the value of: 3x + 2y when x equals -3 and y equals -4
Mazyrski [523]

replace the numbers given for x & y so

the equation becomes 3*(-3) + 2*(-4) =

3*-3 = -9

2*-4 = -8

-9 + -8 = -17

6 0
2 years ago
Laat month, andy collected 432 stamps, which was 4 times the number of stamps alva collected. If alva collected 6 times as many
Anastasy [175]
After Sally had given 1/9 of her stamps to Andy, she had 280 stamps (since they now have equal shares). So 280 was 8/9 of what she started with, making the 1/9 she handed over equal to 280/8, that’s 35. And Andy was “under” by the same amount she was “over” an equal share, that’s 35 under matching her 35 over, which is 70 altogether.

By all means use algebra but you may find you can reason a word problem through in words.
8 0
2 years ago
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Cual es el resultado de factorizar la expresion (-x⁴+ 25x²)
Fittoniya [83]

Al factorizar la expresión dada obtenemos que es igual a x²*(5 - x)*(5 + 5)

Por propiedad de los números reales: tenemos que para a y b dos números reales, se cumple que:

(a² - b²) = (a + b)*(a - b)

Por lo tanto como tenemos: - x⁴ + 25x², ordenamos:

- x⁴ + 25x² = (25*x² - x⁴ = ((5x)² - (x²)²)

Usando la propiedad dada inicialmente: obtenemos que:

((5x)² - (x²)²) = (5x - x²)*(5x + x²)

Sacamos de cada término un factor común "x":

x*(5 - x)*x*(5 + x) = x²*(5 - x)*(5 + 5)

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3 years ago
a contruction worker has a cable that is 8 yards long he wants to cut it into 9 equal length peices how long will each cable be
VashaNatasha [74]
2 and 2/3 feet or 2.66666666666666666666666666667

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3 years ago
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