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Oksi-84 [34.3K]

3 years ago

7

Write x^2 • x^5 without exponents

1 answer:

WITCHER [35]3 years ago

4 0

The best way to write x^2 x x^5 without exponents would be....
x - x - x - x - x - x - x
(by the way this - is multiplication sign idk how to out the dot)

I hope this helps!

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Does the table show a direct proportional relationship? If so, what is the constant of proportionality?

lesantik [10]

Answer:

C. Yes, 3.5.

Step-by-step explanation:

If there is a relationship of direct proportionality for every ordered pair of the table, then the constant of proportionality must the same for every ordered pair. The constant of proportionality ( $k$ ) is described by the following expression:

$k = \frac{y}{x}$ (1)

Where:

$x$ - Input.

$y$ - Output.

If we know that $(x_{1}, y_{1}) = (13, 45.5)$ , $(x_{2}, y_{2}) = (14, 49)$ and $(x_{3}, y_{3}) = (15, 52.5)$ , then the constants of proportionalities of each ordered pair are, respectively:

$k_{1} = \frac{y_{1}}{x_{1}}$

$k_{1} = \frac{45.5}{13}$

$k_{1} = \frac{7}{2}$

$k_{2} = \frac{y_2}{x_2}$

$k_{2} = \frac{49}{14}$

$k_{2} = \frac{7}{2}$

$k_{3} = \frac{y_{3}}{x_{3}}$

$k_{3} = \frac{52.5}{15}$

$k_{3} = \frac{7}{2}$

Since $k_{1} = k_{2} = k_{3}$ , the constant of proportionality is 3.5.

8 0

3 years ago

Linda has a part-time job at the school. She makes between 44.00 and $51.00 a dayWhich is a reasonable estimate of the amount of

Luba_88 [7]

Answer:

$285

Step-by-step explanation:

The mode of 44 and 51 is 47.50 and 47.50 x 6 equals 285

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3 years ago

Margo can purchase tile at a store for $0.69 per tile and rent a tile saw for $32. At another store she can

puteri [66]

Answer:

32 tiles

Step-by-step explanation:

32+0.69*n= 32.69

32.69*n= 32.69n-0.69

=32

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2 years ago

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seropon [69]

Answer:

15 points

Step-by-step explanation:

Divide the 75 points by the five days to find the average points lost per day.

75 points / 5 days = 15 points per day

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