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Andreyy89
3 years ago
5

Look at each pair of expressions. Select Equivalent or Not Equivalent for each pair Equivalent Not Equivalent a. f+f+fand 31 b.

x + 3y and (m + x) + yoyoy old c. 2.5(2n - 4) and 5n - 4​
Mathematics
1 answer:
nadya68 [22]3 years ago
7 0

Answer:

ikr

Step-by-step explanation:

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PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!
IrinaK [193]

Step-by-step explanation:

i think u had done something wrong in equation

7 0
3 years ago
Given isosceles right triangle CDE with m∠D = 90, sin C = sin D
Butoxors [25]

Answer:True

Step-by-step explanation:

Given

\angle D=90^{\circ}

For isosceles triangle , CD=DE (x=y)

from figure,

\sin C=\dfrac{y}{H}\\\\\sin D=\dfrac{x}{H}\\\\\text{CD=DE}\\\\\therefore \sin C=\sin D=\dfrac{x}{H}=\dfrac{y}{H}

Thus, the given statement is true

7 0
3 years ago
A basketball player scored x, y, and z points in 3 games. Express the average number of points scored by the player in terms of
Anettt [7]
The average will be the total points divided by the number of games:

(x+y+z) / 3
7 0
3 years ago
How do I do numbers 12 to 14?
NARA [144]

Answer:

  12.  1 second, 35 ft; 2 seconds, 32 ft

  13.  (t, y) = (1.4 seconds, 37.6 feet)

  14.  37.6 ft; the vertex is the highest point

Step-by-step explanation:

12. You have properly answered question 12.

After 1 second, the height is 35 feet; after 2 seconds, it is 32 feet.

__

13. My method of choice is to plot the graph on a graphing calculator and let it show me the coordinates of the vertex when I highlight that point. (See attached.) The vertex is ...

  (t, y) = (1.4, 37.6)

__

14. The graph is a graph of height when the object is launched with a vertical velocity of 45 ft/s. So, the maximum of the graph will correspond to the maximum height of the object. The vertex is that maximum point, and its y-coordinate is that maximum height.

The maximum height is 37.6 feet.

8 0
3 years ago
Helpie plzzzzzzzzzzzz my teacher really hate me ig
Lyrx [107]

Answer:

-8x-6 or -8x+-6.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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