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2 years ago

The median weight of 11 cats in a pet store is 7 pounds. Which action could CHANGE the median?

Mathematics

2 answers:

melisa1 [442]2 years ago

4 0

Answer:

I think d

Step-by-step explanation:

It just makes sense.

True [87]2 years ago

3 0

I would say d. the store gets a new 12-pound cat because it would become and even number of cats so you would have to find the average of cats 6 and 7

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The midpoint QR is M (-1,2). One endpoint is R (3,4). Find the coordinates of the other endpoint.

butalik [34]

M = (x₁ + x₂)/2 , (y₁ + y₂)/2

(-1, 2) = $\frac{3 + x}{2} , \frac{4 + x}{2}$

At this point, it is easier to separate the x's and y's into two different equations:

x's: -1 = $\frac{3 + x}{2}$

-2 = 3 + x

-5 = x

y's: 2 = $\frac{4 + x}{2}$

4 = 4 + x

0 = x

Answer: (-5, 0)

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3 years ago

Choose the equation of a circle with radius 6 and center (2, -3).

Rufina [12.5K]

Answer: $(x-2)^2 + (y+3)^2 = 36\\\\$

Work Shown:

$(x-h)^2 + (y-k)^2 = r^2\\\\(x-2)^2 + (y-(-3))^2 = 6^2\\\\(x-2)^2 + (y+3)^2 = 36\\\\$

Note that (h,k) = (2,-3) is the center and r = 6 is the radius. The last line is not expanded out using the FOIL rule because its common practice to leave it in $(x-h)^2 + (y-k)^2 = r^2\\\\$ form. This form allows the reader to quickly determine the center and radius (rather than have to do a lot of algebraic steps before hand).

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1 year ago

A drink contains 20% cranberry juice and the rest is apple juice. What is the ratio of cranberry juice to apple juice? A.1:20 B.

yarga [219]

20% of the juice is cranberry
80% of the juice is apple
Our ratio would be 20:80
We can simplify it and it will become
1:4

So your answer would be B. 1:4

I hope this helps :)

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2 years ago

4 sqrt 18 + 5 sqrt 32

Rasek [7]

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2 years ago

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Solve the following equation for h. r+3Q/h=t

Arada [10]

Answer:

$\bold{h=\dfrac{3Q}{t-r}}$

Step-by-step explanation:

$\bold{r+\frac{3Q}h=t}\\-r\qquad\ -r\\\bold{\frac{3Q}h=t-r}\\\cdot h\qquad \cdot h\\ \bold{3Q=(t-r)h}\\^{\div(t-r)\quad\div(t-r)}\\\bold{\dfrac{3Q}{t-r}=h}$

Or, if you mean (r+3Q)/h=t:

$\bold{\frac{r+3Q}h=t}\\{}\ \ \cdot h\quad\ \cdot h\\\bold{r+3Q=ht}\\{}\ \ \div t\qquad \div t\\\bold{\dfrac{r+3Q}{t}=h}\\\\\bold{h=\dfrac{r+3Q}{t}}$

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2 years ago