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2 years ago

If x is to y as 4 is to 5, then what is y : x?

Mathematics

1 answer:

pishuonlain [190]2 years ago

8 0

Answer:

4:5

Step-by-step explanation:

You are doing ratios

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Use the quadratic formula to solve x2 + 2x - 120 = 0. Think about what other method could also be used to solve this equation. a

pshichka [43]

Answer:

x = 10 , -12

Step-by-step explanation:

Solution:-

- The given quadratic equation is to be solved using the quadratic formula. The general form of a quadratic equation is:

$ax^2 + bx + c =0$

Where, [ a , b and c are constants ]

- The quadratic formula is given as:

$x = \frac{-b+/-\sqrt{b^2 - 4*a*c} }{2a}$

- The given equation is:

$x^2 + 2x - 120 = 0$

Where, a = 1 , b = 2 , c = -120

- Solve using quadratic formula:

$x = \frac{-2+/-\sqrt{2^2 - 4*1*(-120)} }{2*1}\\\\x = \frac{-2+/-\sqrt{4 + 480} }{2}\\\\x = \frac{-2+/-(22) }{2}\\\\\\x = 10 , -12$

7 0

2 years ago

70x20=. what is the answer

umka21 [38]

1400 hope this helps

8 0

2 years ago

Read 2 more answers

IS 7 LESS THAN OR GREATER THAN -3

aalyn [17]

Answer:

7 is greater than -3

Step-by-step explanation:

7 is positive meaning is more than any negative number

6 0

2 years ago

Read 2 more answers

Round yo The nearest ten 834,692.<br> Help me please!!

Genrish500 [490]

The answer should be 834, 690

hope this helps!

8 0

2 years ago

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An ant starts at -2 on the number line and travels east (positive direction) for 4 units then turns around and heads west (negat

QveST [7]

Start position: -2
East 4 units
West 5 units
East 6 units
West 7 units

(-2) + (4) + (-5) + (6) + (-7) = -4

Total distance traveled: (Start position)-(End position) = (-2)-(-4) = 2

The ant travels a total of 2 units from its starting position. But traveled 22 units overall.

<em>Hoped this helped!</em>

4 0

3 years ago