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2 years ago

13

Pamela has4/5 pound of sunflower seeds if she gives 2/3 pound of sunflower seeds to the squirrels in her backyard what fraction

of a pound of sunflower seeds will she have left

1 answer:

Assoli18 [71]2 years ago

8 0

4/5-2/3= 12/15-10/15 (common denominator is 15)=2/15 pounds of seeds left

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A number, x, rounded to 2 decimal places is 15.38<br>Write down the error interval for x.

Stels [109]

Answer:

The error interval for x is:

$[15.375,15.384]$

Step-by-step explanation:

In order to determine the error interval for x, We have to get the all the number which could be rounded off to $15.38$ .

These number can be listed in order such as:

15.375 15.376 15.377 15.378 15.379 15.380 15.381 15.382 15.383 15.384

Therefore, the error interval for x is:

$[15.375,15.384]$

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2 years ago

The cafeteria director at Great Minds School wants to know what percent of the students would choose vegetarian entrees if they

Korvikt [17]

Answer:

Sort a list of the students into a random order, then ask the first 353535 students on the list.

Step-by-step explanation:

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2 years ago

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All of the following expressions are equal to N except _____. |−N| −(−N) |N| −N

Maksim231197 [3]

Answer:

D. -N

Step-by-step explanation:

Our four given expressions are:

A. |-N|

B. -(-N)

C. |N|

D. -N

The | | symbols represent absolute value, which is the distance from the value within the two lines and 0; essentially since it measures distance, absolute value always outputs a positive value.

In choice A, we have |-N|, which means the distance between -N and 0. Well, the distance will simply be N, which is equal to N. Eliminate A.

In choice B, we have -(-N). Double negatives signal that they will cancel out to become positive, so -(-N) = N. Eliminate B.

In choice C, we have |N|, which means the distance between N and 0. This is clearly just N, so eliminate C.

In choice D, we have -N, which denotes "negative N". Clearly, "negative N" (-N) is not the same as "positive N" (N), so D is the answer.

<em>~ an aesthetics lover</em>

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2 years ago

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The table below shows the population of a town over x years. A 2-column table with 5 rows. The first column is labeled years wit

mel-nik [20]

Answer:

10,346.0(1.1)^x

112,096 people

Step-by-step explanation:

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2 years ago

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Find the standard form of the equation of the parabola with a focus at (3, 0) and a directrix at x = -3.

Nikitich [7]

Check the picture below.

now, keep in mind that the focus point is at 3,0 and the directrix is to the left-hand-side of it, therefore, is a horizontal parabola, and it opens to the right-hand-side, like in the picture.

keep in mind that the vertex is half-way between the focus point and directrix, at a distance "p" from either one, notice the "p" distance is just 3 units, since the parabola is opening to the right, "p" is positive.

$\bf \textit{parabola vertex form with focus point distance}\\\\
\begin{array}{llll}
\boxed{(y-{{ k}})^2=4{{ p}}(x-{{ h}})}
\\\\
(x-{{ h}})^2=4{{ p}}(y-{{ k}})
\end{array}
\qquad 
\begin{array}{llll}
vertex\ ({{ h}},{{ k}})\\\\
{{ p}}=\textit{distance from vertex to }\\
\qquad \textit{ focus or directrix}
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
h=0\\
k=0\\
p=3
\end{cases}\implies (y-0)^2=4(3)(x-0)\implies y^2=12x\implies \cfrac{1}{12}y^2=x$

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2 years ago