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kirill [66]
3 years ago
10

Solve using zero property : (x-7)(x+10) = 0

Mathematics
1 answer:
Alla [95]3 years ago
8 0

Answer:

Step-by-step explanation:

Aight

so

x^2+3x−70=0

x−7=0 or x+10=0

x=7 or x=−10

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its is either 339.3 or 1357.2

Step-by-step explanation:

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Who would win in a fight, Hawk or Miguel? Cobra Kai!!
shepuryov [24]

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miguel

Step-by-step explanation:

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A system of equations is graphed on the coordinate plane. y = -6x - 3, y = -x + 2, what is the solution of equations?
UkoKoshka [18]

(x, y ) → (- 1, 3 )

The solution to the system of equations is the point of intersection of the 2 lines

From the graph, that is (x, y ) → ( - 1, 3 )

We can confirm by solving algebraically

Since both equations express y in terms of x we can equate the right sides

- x + 2 = - 6x - 3 ( add 6x to both sides )

5x + 2 = - 3 ( subtract 2 from both sides )

5x = - 5 ( divide both sides by 5 )

x = - 1

substitute x = - 1 into either of the 2 equations for y-coordinate

y = - x + 2 = 1 + 2 = 3

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8 0
3 years ago
A survey found that 50% of teenagers prefer to watch a movie at a theater over other viewing options. You want to know the estim
ella [17]

Answer:

1. Flip a fair coin four times, with heads representing teenagers who prefer watching a movie at a theater and tails representing those who do not.

2. Pick a card from a deck of standard playing cards four times, with red suits representing those who prefer watching a movie at a theater and black suits representing those who do not.

4. Roll a six-sided die four times, with even numbers representing those who prefer watching a movie at a theater and odd numbers representing those who do not.

Step-by-step explanation:

Basically you need to do something 4 times, with each time having a 50/50 chance.

For 1, it flips the coin 4 times and a coin toss is 50/50

For 2, it pics 4 cards, and the deck of cards has a 50-50 chance of either red or black

For 3, it spins it only 3 times, so is wrong

For 4, it rolls the die 4 times, and even and odd is 50-50

For 5, 0-5 consist of 6 number, while 6-9 is only 4 numbers thus is not 50-50 so is wrong

6 0
2 years ago
Hey guys! Can you simplify this? Be sure to show your work so i know you aren't guessing! Also remember when you answer a questi
Evgen [1.6K]

Answer: x=7

Step-by-step explanation:

Simplifying

8 + 2x = 6x + -20

Reorder the terms:

8 + 2x = -20 + 6x

Solving

8 + 2x = -20 + 6x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-6x' to each side of the equation.

8 + 2x + -6x = -20 + 6x + -6x

Combine like terms: 2x + -6x = -4x

8 + -4x = -20 + 6x + -6x

Combine like terms: 6x + -6x = 0

8 + -4x = -20 + 0

8 + -4x = -20

Add '-8' to each side of the equation.

8 + -8 + -4x = -20 + -8

Combine like terms: 8 + -8 = 0

0 + -4x = -20 + -8

-4x = -20 + -8

Combine like terms: -20 + -8 = -28

-4x = -28

Divide each side by '-4'.

x = 7

Simplifying

x = 7

7 0
2 years ago
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