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labwork [276]
3 years ago
7

Factor the expression. x^2+ 8x - 20

Mathematics
1 answer:
n200080 [17]3 years ago
6 0
Answer: (x + 10)(x - 2)
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Graph y=x+4 <br> Plz use a graph and show me
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Answer:

there i graphed it

Step-by-step explanation:

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Write a summary can Smartphones improve student lives? why or why not ( in your own words )
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Answer:

Smartphones can imrove student lives by giving students the ability to contact their teachers to ask questions or comment on a specific work. they can also allow the student to look up answers and learn from what others think. Smartphones can also add distractions in class and allow an easy way to cheat on a test or a quiz. Overall Smartphones can be beneficial and harmful to a students life.

Step-by-step explanation:

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Which equation are equivalent to 1/5+2/3|2-x|=4/15?
disa [49]

Answer:

• 2/3|2 -x| = 1/15

• |2 -x| = 1/10

• 1/5 +|4/3 -2/3x| = 4/15

Step-by-step explanation:

Starting with the given equation, subtract 1/5 = 3/15.

(2/3)|2 -x| = 4/15 - 3/15

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Now, multiply by 3/2.

|2 -x| = 3/30

|2 -x| = 1/10 . . . . . . . . . . . . matches the third choice

___

If you decide to distribute the coefficient 2/3 instead, you have

1/5 + |2·2/3 -x·2/3| = 4/15

1/5 + |4/3 -2/3x| = 4/15 . . . . matches the selected choice

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What is PEMDAS and why do we use it
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"Please Excuse My Dear Aunt Sally<span>". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".
</span><span> we follow PEDMAS simply because that's the accepted convention, but we have the convention because it fits common cases well and makes mathematical expressions easier to read. 
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I don't know exactly what answer you're looking for but that's what I got. This shouldn't have been hard to pick up on in class lol.
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A line passes through the points (4, 13) and (-2, -2). What is the equation of the line in standard form?
Gekata [30.6K]

Answer:

y=5/2x+3

Step-by-step explanation:

easy. just find the slope and y-int.

slope is y2-y1 and under is x2-x1

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3 years ago
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