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eimsori [14]
3 years ago
12

Please tell me the answer I would really appreciate it

Mathematics
1 answer:
Elena-2011 [213]3 years ago
5 0

Answer:

N^2*5= 3^2*5^5*x^6

Step-by-step explanation:

N=3*5^2*x^3

First lets express N^2

N^2= (N)^2= (3*5^2*x^3)^2=3^2*5^4*x^6    (1)

To express 5*N^2 just multiple  (1) by 5:

N^2*5=5* 3^2*5^4*x^6 = 3^2*5^5*x^6

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A boy's age in ten year time will be four times his age five years ago. Find his present age. ​
Katyanochek1 [597]

Answer:

He is ten.

Step-by-step explanation:

10 yrs old. Go ahead 10 yrs to make 20. Which is four times as much as five years old. (Which is 5 years before 10)

Hope this helps! :)

8 0
3 years ago
The degree of the polynomial function f(x) is 3. The roots of the equation f(x)=0 are −4 , 0, and 2. Which graph could be the gr
KATRIN_1 [288]

We know that the polynomial function is of degree 3, and that its roots are -4, 0, 2.

With this data we can write a generic equation for the function:

f (x) = bx (x + 4) (x-2)

Since the function is of degree 3 and cuts the axis at x = 0, then it has rotational symmetry with respect to the origin.

The graph of the function can be of two main forms, based on the value of the coefficient b.

If b is positive then the function grows from y = -infinite and cuts the x-axis for the first time in -4. Then it decreases, cuts at x = 0 and begins to grow again cutting the x-axis for the third time at x = 2. and continues to grow until y = infnit


If b is negative, then the function decreases from y = infinity and cuts the x-axis for the first time in -4. Then it grows, cuts at x = 0 and begins to decrease again by cutting the x-axis for the third time at x = 2, and continues to decrease until y = -infnit.


In the attached images the graphs of the function f (x) are shown assuming b = -1 and b = 1

5 0
3 years ago
Read 2 more answers
You are planning to build a rectangular vegetable garden with a perimeter of 42 m. the length is twice the width. find the dimen
Mrac [35]

Length - 14 meters

Width - 7 meters


The length is twice the width - 7 times 2 = 14


There are four sides, two 14m and two 7m. 14 x 2 + 7 x 2 = 42

8 0
3 years ago
Can anyone help with fine answer for this question?
Reika [66]

Answer:

domain: all real numbers

range: y≥0

Step-by-step explanation:

This graph includes all real numbers for values of x (the domain), but only includes 0 and above for the y values (the range)

Hope this helps :)

5 0
3 years ago
Write the direct variation function given that y varies directly with x, and y = 1.5 when x = 5.
Cloud [144]

Answer:

y=0.3x

Step-by-step explanation:

Formula = K=\frac{y}{x}

y α x

y = kx

Where k is the constant of proportionality.

When y = 1.5; x = 5;

We substitute these known values in the equation,

y = kx

1.5 = k5

Dividing both sides of the equation by 5 to find the value for k, we have

1.5/5= k0.3/5

Therefore,

K = 0.3

Having found the value of k,

We substitute this value into the relationship

y = kx

Therefore we have,

y = 0.3x.

The direct variation function is therefore,

y = 0.3x.

[RevyBreeze]

4 0
3 years ago
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