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3 years ago

Define Play,then write a sentence containing the word PLAY

Mathematics

1 answer:

faltersainse [42]3 years ago

5 0

Answer:

Take part in the enjoyment activity

Step-by-step explanation:

"I like to play games with my siblings" or "Would you like to play a game of soccer with us?"

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Myka bought a shirt that was originally priced at $40 and on sale for $34. What was the percent discount?

Stells [14]

She bought it at a 15% discount because 15 percent of 40 is 6 and 40-6=34

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3 years ago

Which is the equation of a hyperbola with directrices at x = ±3 and foci at (4, 0) and (−4, 0)?

Alex Ar [27]

Answer:

$\frac{x^2}{12}-\frac{y^2}{4}=1$

Step-by-step explanation:

Since our foci are located on the x-axis, then our major axis is going to be the horizontal transverse axis of the hyperbola:

Formula for hyperbola with horizontal transverse axis centered at origin

$\frac{x^2}{a^2}-\frac{y^2}{b^2}=1$
Directrices -> $x=\pm\frac{a^2}{c}$
Foci -> $(\pm c,0)$ where $a^2+b^2=c^2$
$a>b$

Since we are given our directrices of $x=\pm3$ and foci of $(\pm4,0)$ , then we can set up the directrices equation to solve for $a^2$ :

$x=\pm\frac{a^2}{c}\\ \\\pm3=\pm\frac{a^2}{4}\\ \\12=a^2$

Now we can determine $b^2$ to complete our equation for the hyperbola:

$a^2+b^2=c^2\\\\12+b^2=4^2\\\\12+b^2=16\\\\b^2=4$

Therefore, our equation for our hyperbola is $\frac{x^2}{12}-\frac{y^2}{4}=1$

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2 years ago

Katie jogged a total distance of 8 and 1 over 2 miles during the months of January and February. If Katie only jogged 1 over 4 m

Nikolay [14]

For future reference, it would be easier to say 8 and a half miles. Just a tip for better understanding. Now I am pretty sure the answer would be the first one. You would take the total divided by the variable of each day to get the number of days

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3 years ago

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Did I do this correctly?

Rina8888 [55]

Yes!
- you applied the distributive property
- combined like terms
- and answered the rest right!

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3 years ago

GraphA GraphB GraphC GraphD

Serhud [2]

Graph A its the beat answer

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4 years ago

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