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2 years ago

6

Zack looks at the clock and sees the handle have made a 150 degrees angleHe realizes he has 2 hours before basketball practice s

tarts which could be the angle formed by the hands of the clock when practice starts

1 answer:

wolverine [178]2 years ago

4 0

AnswerMove

150

150

to the left of

a

a

.

150

a

,

2

h

o

u

r

s

Step-by-step explanation:

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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:

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

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2 years ago

Answer the question on the picture

goblinko [34]

Answer:

theta =111°

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A number raised to a negative exponent is negative. always never sometimes

Romashka [77]

It is negative only when the number itself is negative.
hence, sometimes.

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3 years ago

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What is the answer for this problem if f(x)= 3x+10x and g(x)=5x-3, find (f+g)(x).

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2 years ago

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Need help with this please!!

Umnica [9.8K]

Answer:

1. A) -12, 3 B) -6, 9 C) 0, -6 D) -15, -6

2. L) 1, -4 M) 6, 4 N) 7, -2

3. P) 4, 12 Q) 12, 12 R) 12, 8 S) 4, 8

4. W) 3, -6 X) 9, -3 Y) 15, -6 Z) 9, -9

5. M) -14, -8 N) -8, -6 O) -6, -12 P) -12, -14

6. D) -1, 3 E) 2, 2 F) 2, 1 G) -1, 0

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2 years ago