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tatuchka [14]
2 years ago
12

Wirte an expression that should have a variable and a constant

Mathematics
2 answers:
e-lub [12.9K]2 years ago
7 0
7x+5
Hope this helps
a_sh-v [17]2 years ago
6 0
Variable could be anything which can be defined by an Alphabet only whereas Your constant would be any real number.

An Example of Your question could be: x + 2

Hope this helps!
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A particle moves along the curve y = 5x^2 – 1 in such a way that the y value is decreasing at the rate of 2 units per second. At
Shtirlitz [24]

Answer:

The correct option is;

Increasing one fifth unit/sec

Step-by-step explanation:

The equation that gives the curve of the particle of the particle is y = 5·x² - 1

The rate of decrease of the y value dy/dt = 2 units per second

We have;

dy/dx = dy/dt × dt/dx

dy/dx = 10·x

dy/dt = 2 units/sec

dt/dx = (dy/dx)/(dy/dt)

dx/dt = dy/dt/(dy/dx) = 2 unit/sec/(10·x)

When x = 1

dx/dt = 2/(10·x) = 2 unit/sec/(10 × 1) = 1/5 unit/sec

dx/dt = 1/5 unit/sec

Therefore, x is increasing one fifth unit/sec.

8 0
2 years ago
Answer the question based on the data in the two-way table.
kirill [66]

Answer:

...

Step-by-step explanation:

umm... honestly we will NEVER use this in the real world ‍♂️

6 0
2 years ago
Read 2 more answers
7/7, solve for k, explain too please
ludmilkaskok [199]

Answer:

k = 7.3333333  ...

You can round accordingly of write the fraction form

Step-by-step explanation:

4/k = 6/11

6 ÷ 4 = 1.5

11 ÷ 1.5 = 7.3333333 ... (repeating)

4/7.333 = 6/11

7 0
2 years ago
11 more than five if a certain number is twenty more than 2 times of that number. what is the number?
Thepotemich [5.8K]
11 more than five of a certain number would be written as 5x+11 and it is (means equal to) twenty more than two times that number, which would be 2x+20. So the equation would be
5x+11=2x+20
-2x -2x (get the x's on one side)
3x+11=20
-11 -11 (get the numbers on one side)
3x=9
/3 /3 (divide by 3, so you can get the x by itself)
X=3 (the number is 3)
4 0
2 years ago
For the given functions FNG, find the indicated composition.
lisabon 2012 [21]

Answer:

A

Step-by-step explanation:

To find (f ○ g)(x) substitute x = g(x) into f(x), that is

f(g(x))

= f(2x - 1)

= 3(2x - 1) + 14

= 6x - 3 + 14

= 6x + 11 → A

5 0
3 years ago
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