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ira [324]
3 years ago
9

Let's Practice

Mathematics
1 answer:
ivolga24 [154]3 years ago
4 0

Answer:

42 it is

Step-by-step explanation:

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Help help help please homework is killing me right now
Veronika [31]

The domain of a function is the set of input or argument values for which the function is real and defined.

So, for the given function to be defined, we need to find the possible values for which the values of x makes the square root to be positive.

That is;

-9 -5x ≥ 0

Now, let's solve for x

Add 9 to both-side of the equation

-5x ≥ 9

Divide both-side by -5

x ≤ -9/5

Therefore, the domain of the function can be represented in interval notation as: ( - ∞ , -9/5]

8 0
1 year ago
Hotel managers wish to learn the average length of stay of all visitors that are senior citizens. A statistician determines that
LiRa [457]

The answer & explanation for this question is given in the attachment below.

8 0
3 years ago
belle put the muffins she baked on six plates, four of which are red and two of which are yellow. the four red plates each have
Sonja [21]

Answer:

36 total muffins

Step-by-step explanation:

5*4=20

8*2=16

20+16=36

3 0
3 years ago
Read 2 more answers
If the volume of the solid shown in the figure is 438 cubic​ inches, find the value of x.
svetoff [14.1K]

Answer:

what

Step-by-step explanation:

what figure

7 0
1 year ago
Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{63})(0,± 63 ​ )left parenthesis, 0, comma
steposvetlana [31]

Answer:

\frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

Step-by-step explanation:

Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin) \frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }.

We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63

b = ±√(a² - c²)

= ±√(91² - 63²)

= ±√(8281 - 3969)

= ±√4312

= ±14√22

So the equation is

\frac{x^{2} }{(14\sqrt{22}) ^{2} } + \frac{y^{2} }{91^{2} } = \frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

8 0
3 years ago
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