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inn [45]
3 years ago
15

What is greater 8 hours 520 minutes

Mathematics
2 answers:
laiz [17]3 years ago
6 0
520 minutes is greater because 8 hours is 480 minutes
Phoenix [80]3 years ago
4 0
The correct answer is 520 minutes because 8 hours has 480 minutes in it, and 520> 480.
Hope this helps!
Feel free to ask any questions :)
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-2x + 3y=-1 2x + 5y=25 elimination
Igoryamba
<span>-2x + 3y=-1
 2x + 5y=25
------------------add
8y = 24
  y = 3

</span>-2x + 3y =-1 
-2x + 3(3) =-1 
<span>-2x + 9 = -1
-2x = -10
   x = 2

answer
x = 2 and y = 3 or (2,3)

</span>
7 0
4 years ago
1. Draw the graph of f(x) = cos x for 0 I know how to construct the graph but I don’t know how to get the figures. Please help
KengaRu [80]

Answer:

Please refer to the attached figure.

Step-by-step explanation:

Given the function:

f(x) =cosx \ where\  \{0^\circ\leq x\leq 360^\circ\}

OR, the given function can also be written as:

y  = f(x) = cosx

We know that graph of cosine is a wave.

and the range of cosine function is [-1, 1]

First of all, let us have a table of values at major values of x.

x = 0, f(x) = 1\\x = 90, f(x) = 0\\x = 180, f(x) = -1\\x = 270, f(x) = 0\\x = 360, f(x) = 1

So, the table of values for f(x) is:

\begin{center}\begin{tabular}{ c c }x & cosx \\0 & 1 \\90 & 0\\180 & -1\\270 & 0\\360 & 1\\\end{tabular}\end{center}

Let us mark these points on the xy coordinate axis where x axis represents value of<em> x </em>and y axis represents value of f(x)  = cosx and then join the points using a wave.

Please refer to the attached graph for the answer image.

8 0
3 years ago
What is the height of a rectangle when I base is 8 ft and the area is 30 ft
ZanzabumX [31]
To do this you have to fill in the equation base*height=area, but you don't know the height, so we'll use h for height. Plugging in the numbers you gave me, the equation is: 8*h=30. To solve this, we need to find h. To find height you do \frac{area}{base}. Doing this, we get h = 3.75 ft.

Hope this helped!
3 0
3 years ago
Graph the equation. y-4=1/4(x-1)²
Anastaziya [24]
Y-4=1/4*(x-1)²
<span>y=1/4(x-1)²+4
</span><span>the parabola y=1/4x2 with vertex at the point (1;4),the branches up,x=1 is the axis of symmetry intersects the axis of the OY at the point (0;4 1/4)
</span>

4 0
3 years ago
Read 2 more answers
Write an equation of a circle whose center is (-3,2) and whose diameter is 10
gayaneshka [121]
The formula for a circle with center (h,k) and radius (r) is as follows:

(x – h)² + (y – k)² = r²

If the diameter of the circle is 10, we know that the radius of the circle must be equal to 5. Insert any known equations into the formula above:

(x – (-3))² + (y – 2)² = 5²

Simplify both sides of the equation:

(x + 3)² + (y – 2)² = 25

This is the equation of a circle with the given measurements.

I hope this helps!
5 0
3 years ago
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