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inna [77]
2 years ago
6

Can someone answer this question?? ​

Mathematics
1 answer:
Andrews [41]2 years ago
8 0

Answer:

don't ask for an explanation. your answer is below.

Step-by-step explanation:

\frac{(xy+1)^x^+^y^-^(^x^+^y^)(x-y)^x^+^yy^2^xx^-^x^-^y}{(xy-1)^y^+^x}

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The Ridgeport school district collected data about class size in the district. The table shows the class for sizes five randomly
vladimir1956 [14]

Answer:

A

Step-by-step explanation:

the mean is higher than kindergartens mean which shows its larger and the deviation is lower which shows less variation

5 0
2 years ago
Louisa wants to buy an online movie subscription that is on sale for
DedPeter [7]

Answer:

  • 0.85c
  • one is the cost; the other is the discount

Step-by-step explanation:

a) As a fraction of the original price Louisa will pay ...

  0.85c . . . . 85% of the subscription price

__

b) Louisa's expression (-0.15c) tells the amount of the discount, not the cost of the subscription. If Louisa were to write the cost of the subscription, her expression would be ...

  c - 0.15c

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c) The expression of (a) is the cost of the subscription; the expression Louisa wrote is the amount of cost reduction due to the discount.

4 0
3 years ago
A company makes spherical tanks that store chemicals. Their standard model has a diameter of 6 meters, but a customer needs a la
Deffense [45]

Answer:

The approximate diameter of the larger tank is 8.10 meters

Step-by-step explanation:

Here, we want to calculate the diameter of the larger tank

The volume of a sphere

V = 4/3 * π * r^3

Let us calculate the volume of the standard model

That will be;

Since diameter is 6 and r = d/2

r = 6/2 = 3 meters

V = 4/3 * π * 3^3 = 36 π m^3

Now, the volume of the larger tank is 2.5 times of this;

The volume of the larger tank is 2.5 * 36 π = 90 π m^3

So we can calculate the radius of this before we calculate its diameter

4/3 * π * r^3 = 90 π

4r^3/3 = 90

r^3 = 270/4

r^3 = 67.5

r = 3x√(67.5)

r = 4.07 m

Diameter here is 2 times this

= 4.07 * 2 = 8.14

6 0
3 years ago
Which function has an inverse that is not a function?
Alekssandra [29.7K]

Answer:

your choice is correct

Step-by-step explanation:

f(x) = x^2 does not pass the horizontal line test (a horizontal line intersects its graph in two places), so its inverse does not pass the vertical line test. The inverse is not a function.

_____

Comment on the graph

The original function f(x)=x^2 is shown by the red curve. Its reflection across the orange dashed line y=x gives the inverse relation, in blue. The black horizontal and vertical lines show the multiple points of intersection with the curves, indicating the inverse relation is not a function.

6 0
3 years ago
How many digits will be behind the decimal in 0.15 x 22
Veronika [31]
The answer to 0.15 x 22 is 3.3
If you look after the decimal point, you only see one digit (.3)
Therefore the answer is 1
8 0
3 years ago
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