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Vaselesa [24]
3 years ago
9

Help me please!!! Fasttt 75 points. Solve.....

Mathematics
1 answer:
Aleks [24]3 years ago
8 0

Answer:

-11/12

Step-by-step explanation:

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Is it true that if one of the factors is 0, the product is 1?​
kaheart [24]

Answer:

The Principle of Zero Products states that if the product of two numbers is 0, then at least one of the factors is 0. (This is not really new.) If ab = 0, then either a = 0 or b = 0, or both a and b are 0.

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5 0
2 years ago
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Solving Quadratic Equations using the Square Root Property
Afina-wow [57]

Answer:

x = -2   or   x = -5

Step-by-step explanation:

You need to complete the square before you can take the square root of both sides.

x^2 + 7x + 10 = 0

Subtract 10 from both sides.

x^2 + 7x = -10

To complete the square, you need to add the square of half of the x-term coefficient to both sides.

The x-term coefficient is 7. Half of that is 7/2. Square it to get 49/4. Now we add 49/4 to both sides of the equation.

x^2 + 7x + \dfrac{49}{4} = -10 + \dfrac{49}{4}

(x + \dfrac{7}{2})^2 = -\dfrac{40}{4} + \dfrac{49}{4}

(x + \dfrac{7}{2})^2 = \dfrac{9}{4}

Now we use the square root property, if

x^2 = k, then

x = \pm \sqrt{k}

x + \dfrac{7}{2} = \pm \sqrt{\dfrac{9}{4}}

x + \dfrac{7}{2} = \pm \dfrac{3}{2}

x + \dfrac{7}{2} = \dfrac{3}{2}   or   x + \dfrac{7}{2} = -\dfrac{3}{2}

x = -\dfrac{4}{2}   or   x = -\dfrac{10}{2}

x = -2   or   x = -5

5 0
3 years ago
Joshua earned $60 for working h hours. Which expression represents how much he earned in 1 hour?
Shkiper50 [21]
D. 60 divided by h.

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NEED HELP WITH THIS NEED URGENT PLEASE!!!!!<br> PLEASE ILL MRK BRAINLIEST PLEASE FAST URGENT PLZ!
Schach [20]

Answer:

Table D. shows the proportional relationship.

You would plot those points on their corresponding part on the graph, like (2,1), (6,3), (8,4), and (10,5). The first number being the x value and the second number being the y value. Remember, x goes from side to side, and y goes up and down.

4 0
3 years ago
Zane bought 2 packages of candy bars. He had fewer than 22 candy bars. Find b, the number of candy bars in each package.Which in
velikii [3]

Answer:

d

Step-by-step explanation:

the total of two packages (2b) is less than 22

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