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klemol [59]
3 years ago
13

Choose the correct simplification of the expression (5x^5)^2.

Mathematics
2 answers:
nevsk [136]3 years ago
4 0
The answer would be 25x10
aniked [119]3 years ago
4 0

Answer:

The answer is 25x10

1. (5x^5)^2

2. ^5 x ^2 = ^10

3. 5^2 = 25

4. 25x^2

In order to solve this equation, you have to use the multiplication property of equations. This means that you have to not only multiply the exponents, but also the 5. The variable (x) stays the same, as the only components that have to be multiplied are the exponents and the number 5.

Hope this helps!

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The diameter of a circle is 13 cm. What is the radius of the circle?
nikklg [1K]

Answer:

The Radius is 6.5 cm.

Step-by-step explanation:

We know that the diameter of a circle is a line that begins on one point of a circle and ends on the opposite side. We also know that the radius is a point on the circle that starts from that point and ends at the center. Therefore, the radius would be half the diameter.

13/2 = 6.5

Hope this helped :D!

5 0
3 years ago
Need help immediately!!!!!!!
Arisa [49]

Answer:

C)

The rate of change/slope is constant, when you calculate it for this problem, it doesn't change for any amount of marbles listed in the table

5 0
3 years ago
Mr johnson's students want to know his age. He tells them that this year his age is a multiple of 9, and next year it will be a
vladimir1956 [14]

Answer:

He is 27 years old.

Step-by-step explanation:

27 is a multiple of 9 (9 x 3)

28 comes after, and is a multiple of 4 (4 x 7)

Hope this answer helps you!! :)

8 0
3 years ago
Which inequality matches the graph
Anika [276]

Answer:

D) x ≤ 3

Step-by-step explanation:

The inequality that matches the graph is x ≤ 3. This is because x is less than or equal to 3 as shown in the graph.

7 0
3 years ago
The height 'h' (in feet) of a ball in a baseball game can be modeled by h = -16t² + 28t + 8 , where 't' is the time (in seconds)
lidiya [134]

Answer:

  a)  No. t < 0 is not part of the useful domain of the function

  b) 2.0 seconds

Step-by-step explanation:

a) A graph of the function is shown below. It shows t-intercepts at t=-0.25 and t=2.0. We presume that t is measured forward from some event such as the ball being thrown or hit. The model's predicted ball location has no meaning prior to that event, when values of t are negative.

__

b) It is convenient to use a graphing calculator to find the t-intercepts. Or, the equation can be solved for h=0 any of several ways algebraically. One is by factoring.

  h = 0 = -16t² +28t +8 . . . . . . . . . . . . the ball hits the ground when h = 0

  0 = -4(4t² -7t -2) = -4(4t +1)(t -2)

This has t-intercepts where the factors are zero, at t=-1/4 and t=2.

The ball will hit the ground after 2 seconds.

4 0
3 years ago
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