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hjlf
3 years ago
7

Write an expression having only two terms that is equivalent to 2x – 3. Explain how you wrote the expression and how you can che

ck that it is equivalent. QUICKLY!
WILL GIVE BRAINLIST
Mathematics
2 answers:
Andreas93 [3]3 years ago
5 0

Answer:

4x-6

Step-by-step explanation:

Two times 2 equals 4 and 2 times 3 equals 6

brilliants [131]3 years ago
3 0
4x-6
Hope this helps !!
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If 5^3b-1 = 5b-3, what is the value of b?
Paha777 [63]

Answer:

b= -1

Step-by-step explanation:

3b-1=b-3

2b - 1 = -3

<u>2</u>b = -2

= -1

6 0
3 years ago
80-2w less than or equal to 50
Tcecarenko [31]

Answer:

w≥15

Step-by-step explanation:

Subtract 80 from both sides to get -2w≤-30. Divide both sides by -2. Because it is negative, flip it. You will get w≥15.

8 0
3 years ago
Find the deriative dy/dx for y=x^2-2x/x^3+3
vaieri [72.5K]

Answer:

\frac{dy}{dx}=(\frac{(2x-2)(x^3+3)-(x^2-2x)(3x^2)}{(x^3+3)^2})

Step-by-step explanation:

So we want to find the derivative of the rational equation:

y=\frac{x^2-2x}{x^3+3}

First, recall the quotient rule:

(\frac{f}{g})'=\frac{f'g-fg'}{g^2}

Let f be x^2-2x and let g be x^3+3.

Calculate the derivatives of each:

f=x^2-2x\\f'=2x-2

g=x^3+3\\g=3x^2

So:

\frac{dy}{dx}=(\frac{x^2-2x}{x^3+3})'

Use the above format:

\frac{dy}{dx}=\frac{f'g-fg'}{g^2}\\\frac{dy}{dx}=(\frac{(2x-2)(x^3+3)-(x^2-2x)(3x^2)}{(x^3+3)^2})

And that's our answer :)

(If you want to, you can also expand. However, no terms will be canceled.)

8 0
3 years ago
Can someone help me with my question
irina1246 [14]
Answer=8.6c+13

Meg earns $5.40 per car and $5 in tips. Given the information, Meg's earnings can be shown in the expression '5.40c+5'

Rich earned 3.20 per car and $8 in tips. Given the information, Rich's earnings can be shown with the expression '3.20c+8'

Now lets put the expressions together to see how much they made all together...

5.40c+5+3.20c+8
add 5.40c and 3.20c
8.60c+5+8
add 5 and 8
8.60c+13
or
8.6c+13




5 0
3 years ago
Which point is the solution to the system of linear equations shown below?
PilotLPTM [1.2K]
The answer is:
D (2,-1)
8 0
2 years ago
Read 2 more answers
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