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777dan777 [17]
2 years ago
13

Dora is babysitting over the summer. She charges an initial fee of $10 plus $5 per hour. Proportional Proportional Non-Proportio

nal
Mathematics
1 answer:
Scorpion4ik [409]2 years ago
5 0

Answer:

Non proportional

Step-by-step explanation:

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What is a square root?
Alex777 [14]

Answer:

a number which produces a specified quantity when multiplied by itself.

Step-by-step explanation:

7 is a square root of 49"

8 0
3 years ago
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Find the product: (x² - x + 1)(2x² + 3x + 2).
Tresset [83]

Answer:

(2x^3-2x^2-12x) is the required product.

Step-by-step explanation:

The given equation is:

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=(2x^2-6x)(x+2)

which can be written as:

=(2x^3-6x^2+4x^2-12x)

Solving the like terms, we get

=(2x^3-2x^2-12x)

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3 0
3 years ago
What is the common differenice for this arithmetic sequence?
yaroslaw [1]

Answer:

The answer is D.

Step-by-step explanation:

The difference between each term is 4.

-2 - (-6) = 4

2 - (-2) = 4

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10 - 6 = 4

8 0
3 years ago
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It takes Betty 9 h to bake a cake and 8 h to knit a sweater. What is her opportunity cost of 1 cake in terms of knitted sweaters
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Answer:78

Step-by-step explanation:

7 0
2 years ago
Which of all the following inequalities is true for all real values of x?
siniylev [52]

Answer:

  C.  1/(x^2 +1) > 0

Step-by-step explanation:

The cube of a negative number is negative, eliminating choices B and D for certain negative values of x.

1/x^2 is undefined for x=0, so cannot be compared to zero.

The value 1/(x^2+1) is positive everywhere, so that is the expression you're looking for.

  1/(x^2 +1) > 0

3 0
3 years ago
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