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Over [174]
3 years ago
12

Three students were asked to evaluate two cubed. The beginning part of their work is shown.

Mathematics
1 answer:
faltersainse [42]3 years ago
7 0

Answer:

<u>Kristen </u>is correct because two cubed is the same as <u>  </u><u>2x2x2  </u>. The value of two cubed is <u>   8   </u>

===================================================

Explanation:

Cubing something means we multiply it by itself 3 times.

A few other examples are shown below

\text{five cubed} = 5^3 = 5*5*5 = 125\\\\\text{eight cubed} = 8^3 = 8*8*8 = 512

As the name "cubed" implies, this concept is useful to find the volume of a 3D cube where all the side lengths are the same.

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Pls help quick!
oksano4ka [1.4K]

Answer:

v / √5

Step-by-step explanation:

Solution:-

- We have a satellite of mass ( m ) that orbits the earth of mass ( M ). The radius of orbit is ( r ) : center of earth - to - center of satellite radial distance.

- The satellite orbits the Earth with constant tangent velocity ( v ). The velocity  ( v ) is a function of massive body ( M ) about which the smaller body orbits and orbital radius ( r ).

- The formulation is given by:

                     v_o_r_b_i_t = \sqrt{\frac{G*M}{r} }  

Where,

          G: The universal gravitational constant

- We are to compare the orbital speeds by changing some of the parameters in the above relation.

- The effect on the orbital speed ( v_orbit ) by increasing the orbital radius to ( 5r ) can be evaluated using the given relation. Such that:

                     v_o_r_b_i_t = \sqrt{\frac{G*M}{5r} }\\\\v_o_r_b_i_t = \frac{1}{\sqrt{5} } \sqrt{\frac{G*M}{r} }\\

- Now take the ratio of initial orbital speed to the increased orbital radius ( 5r ):

                     v_o_r_b_i_t = \frac{1}{\sqrt{5} }*v \\

6 0
3 years ago
Need help with this question thank you!
grandymaker [24]

Answer:

Y= 3/5-4

Step-by-step explanation:

What is slope-intercept form? Slope intercept form is an equation for graphing. It is y=mx+b. The "m" stands for the slope, or how much coordinates it takes to move to the next point. The "b" stands for the y-intercept, or where the line is perfectly on the y-line.

Step One: The first part of the equation is the slope, so let's figure that out. Since this one a graph, it is easy to tell the slope. The points are nicely marked, so we don't have to guess which points are visible. We are going up 3 jumps and then across 5 jumps. The slope is always "rise/run" where the "rise" is the y and "run" is x. So, the slope is 3/5x.

Step Two: For the last part, we need to know the y-intercept. It is clearly shown on the graph: -4. Because it is negative, we remove the plus sign because a plus with a negative is subtraction.

Step Three: We can combine both parts and that is the answer: y=3/5x-4.  

5 0
3 years ago
PLS HELP What type of line is PQ¯¯?
Phantasy [73]

Answer: Altitude

Step-by-step explanation:

Altitude is perpendicular line made from vertex to side

7 0
3 years ago
Order the following numbers from least to greatest.<br> 4 3⁄4, |-4 1⁄4|, 4 1⁄2, |-4|
xz_007 [3.2K]

Answer:

|-4|, |-4 1/4|, 4 1/2, 4 3/4

Step-by-step explanation:

The absolute value lines, | |, make the value inside of them positive. For example, the absolute value of -2 is 2. In this example, although -4 and -4 1/4 become positive, they are still lower than 4 1/2 and 4 3/4.

7 0
3 years ago
How many yards are in 5 miles
AveGali [126]
Since in one mile there are 1760 yards, then in 5 miles=1760x5=8800 yards.
3 0
3 years ago
Read 2 more answers
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