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iris [78.8K]
3 years ago
11

Please I need help with this

Mathematics
1 answer:
SVEN [57.7K]3 years ago
3 0
Divide fractions by multiplying the first number by the reciprocal of the second.

2ay*15y= 30ay^2

5y^3*4a=20ay^3

(30ay^2)/(20ay^3)=3/(2y)

Final answer: 3/(2y)
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Find the volume of a pyramid with a square base where the perimeter of the base is 13.4 in and the height of the pyramid is 7.6
Serhud [2]

Answer:28.4

Step-by-step explanation:

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2 years ago
Write the vertex and indicate if the graph opens up or down.
Reil [10]
The answer is A,) (-2,-5) because I just did it in my CASIO calculator
7 0
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The corner store sells carrots at a rate of $1.50 per carrot. If Isabella has $6.00 dollars, how many carrots
allochka39001 [22]

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4 Carrots

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Determine if the equation below is a function with independent variable x. If so, find the domain. If not, find a value of x to
Andre45 [30]

Answer:

No because it contains points (3,4) and (3,-4).  You cannot have a x assigned to more than one y-value if you want it to be a function.

Step-by-step explanation:

A function has one output per input.

If we are trying to determine if the given is a function of x, then x is the input.

However I can get two outputs from plugging in x=3.

3^2+y^2=25

9+y^2=25

Subtract 9 on both sides:

y^2=25-9

y^2=16

Take the square root of both sides:

y=\pm \sqrt{16}

y=\pm 4.

So input x=3 yields y=4 and y=-4.

Since this input has more than one output then the given is not a function of x.

----Also!

If you graph the equation, it is a circle with radius 5 and center (0,0). So I could I plug in any number for x between -5 and 5 excluding -5 and 5 which would yield only one output each. Since plugging in either one gives:

(\pm 5)^2+y^2=25

25+y^2=25

Subtract 25 on both sides:

y^2=25-25

Simplify:

y^2=0

There is only one value y such that when you square it gives you 0. That is 0.

x=5 only gives y=0 and x=-5 only gives y=0.

There is no circle, unless it is a circle with radius 0 which means it really wouldn't be a circle, that is a function.

8 0
3 years ago
Drawing it out would be best can you help me please
leva [86]

Answer:

z_1+z_2 = (-2,5)

Step-by-step explanation:

To Find: z_1+z_2

Solution :

Referring the given graph

We can find the coordinates of   z_1 and  z_2

Coordinates of   z_1= (-7,1)

Coordinates of  z_2= (5,4)

Thus Coordinates of  z_1+z_2 = (-7+5,1+4) = (-2,5)

Thus z_1+z_2 = (-2,5)

So, the point z_1+z_2 = (-2,5) is shown on the attached graph file

6 0
3 years ago
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