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Anestetic [448]
2 years ago
6

A beverage company surveyed 450 adults to determine the demand for summer drinks.

Mathematics
2 answers:
arlik [135]2 years ago
5 0

Answer:

D: 276 preferred water

Step-by-step explanation:

nikklg [1K]2 years ago
4 0

Answer:

B

Step-by-step explanation:

total number of people minus people who prefer soda, iced tea, or lemonade= people who prefer water

450-101-67-108=174

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faltersainse [42]
I think it's D but make it sire
7 0
3 years ago
Read 2 more answers
Write the equation of a hyperbola with vertices (0, -4) and (0, 4) and foci (0, -5) and (0, 5).
andre [41]
Check the picture below.  So, more or less looks like so.

notice, the center is clearly at the origin, and notice how long the "a" component is, also, bear in mind that, is opening towards the y-axis, that means the fraction with the "y" variable is the positive one.

Also notice, the "c" distance from the center to either foci, is just 5 units.

\bf \textit{hyperbolas, vertical traverse axis }\\\\
\cfrac{(y-{{ k}})^2}{{{ a}}^2}-\cfrac{(x-{{ h}})^2}{{{ b}}^2}=1
\qquad 
\begin{cases}
center\ ({{ h}},{{ k}})\\
vertices\ ({{ h}}, {{ k}}\pm a)\\
c=\textit{distance from}\\
\qquad \textit{center to foci}\\
\qquad \sqrt{{{ a }}^2+{{ b }}^2}
\end{cases}\\\\
-------------------------------\\\\

\bf \begin{cases}
h=0\\
k=0\\
a=4\\
c=5
\end{cases}\implies \cfrac{(y-{{ 0}})^2}{{{ 4}}^2}-\cfrac{(x-{{ 0}})^2}{{{ b}}^2}=1\implies \cfrac{y^2}{16}-\cfrac{x^2}{b^2}=1
\\\\\\
c=\sqrt{a^2+b^2}\implies c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b
\\\\\\
\sqrt{5^2-4^2}=b\implies \boxed{3=b}
\\\\\\
\cfrac{y^2}{16}-\cfrac{x^2}{3^2}=1\implies \boxed{\cfrac{y^2}{16}-\cfrac{x^2}{9}=1}

7 0
3 years ago
Please help i dont understand :(
saul85 [17]

Answer:306

Step-by-step explanation:

since the width of the bottom square is 10, you split it between the triangles on top. You have to do this because 7 is not the whole width of the two triangles. So then the width of the triangles would be 12, 12 times 9 is 108, you'd have 216 total for both triangles and then the area of the square is 90, 90 plus 216 is 306.

6 0
3 years ago
I really need help :(
zavuch27 [327]

Answer:

Amira used 4 balloons for each balloon animal.

Step-by-step explanation:

From the table, we can conclude that:

For 20 animals being sold by her,  the leftover balloons were 180.

Then there is an increase in the number of animals being sold. She now sells 29 animals. So, the increase in animals being sold is given as:

29 - 20 = 9.

So, 9 more animals were sold. The balloons used for these 9 animals can be obtained by taking the difference of the leftover balloons for the two days.

The difference of the leftover balloons = 180 - 144 = 36.

So, 36 balloons were used for selling 9 more animals.

Similarly, there is an increase of another 9 animals when 38 animals were sold as 38 - 29 = 9. Also, the balloons used in this case is 36 only as the difference of the leftover balloons is 36.

144 - 108 = 36

Therefore, we conclude that for selling 9 balloon animals, Amira used 36 balloons.

Number of balloons used for 9 balloon animals = 36

∴ Number of balloons used for 1 balloon animal = \dfrac{36}{9}=4 (Unitary method)

Thus, Amira used 4 balloons for each balloon animal.

7 0
3 years ago
The midpoint of segment AB is (3,-2). The coordinates of A are (7,-1).
lana [24]
B because you subtract the two numbers
7 0
3 years ago
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