2 years ago

THESE ARE ALL DIFFERENT QUESTIONS

Mathematics

1 answer:

blondinia [14]2 years ago

3 0

how did he know that the fly soon to be back

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If y varies inversely as x and y=24 when x=8, find y when x is 4

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Y would equal 12 if x were to equal 4. You can think of it as a proportion.

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3 years ago

The average temperature in the North Pole in the summer is 32 degrees F. The average temperature in the North Pole in the winter

wlad13 [49]

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he counted from 32 to 40 , and not to -40

Step-by-step explanation:

the difference is 72 degrees

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3 years ago

Write an expression, using an exponent, that is equivalent to 9\times 9\times 9\times 9\times 9\times 9\times 99×9×9×9×9×9×9

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3 years ago

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-6a-7<br><img src="https://tex.z-dn.net/?f=%20-%206a%20-%207%20%5Cleqslant%2017" id="TexFormula1" title=" - 6a - 7 \leqslant 17"

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3 years ago

The table shows a proportional relationship between the number of stars Roberto collects in a game and his total points. A row o

maks197457 [2]

Answer:

1) 20 stars; 30 points.

2) 28 stars, 42 points.

3) 38 stars, 57 points.

Step-by-step explanation:

<h3> The missing table is attached.</h3>

Let be "x" the numbers of stars Roberto collects and "y" his total points.

The proportional relationship has this form:

$y=kx$

Where "k" is the constant of proportionality.

We can choose the point $(8,12$ ) from the table, where:

$x=8\\y=12$

Substituting these values into $y=kx$ and solving for "k", we get:

$12=k(8)\\\\\frac{12}{8}=k\\\\k=1.5$

Knowing the value of "k", we determine that the following Numbers of stars and the Total points could be used as the missing values in the table:

1) For $x=20$ :

$y=(1.5)(20)=30$

2) For $x=28$ :

$y=(1.5)(28)=42$

3) For $x=38$ :

$y=(1.5)(38)=57$

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3 years ago

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