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3 years ago

Plzz help with this one problem ASAP

Mathematics

1 answer:

Mrac [35]3 years ago

8 0

Answer: b

Step-by-step explanation: I don't know but I know it b

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سا (a) From the definition of derivatives determine dy÷dx if y = -2÷x

harina [27]

Step-by-step explanation:

Given: $y = -\dfrac{2}{x}$

Derivative of a power function $x^n$ :

$\dfrac{d}{dx}(x^n) = nx^{n-1}$

Therefore,

$\dfrac{dy}{dx}=-2(-1)x^{-2} = \dfrac{2}{x^2}$

3 0

3 years ago

2/3 year is how many months

lutik1710 [3]

Answer:

2/3 of a year is 8 months.

Step-by-step explanation:

Since there is 12 months in a year, divide 12 by 3.

12÷3= 4

Now, multiply 4 by 2.

4×2= 8

This gives you the answer of 8 months.

4 0

3 years ago

Read 2 more answers

What is 4x=8x-32?? PLEASE HELLP

Rashid [163]

If you are looking for the sum of X then the answer is X=8

4 0

3 years ago

, Hayley sold 20 tickets to the school play for a total of $225 early bird tickets were $10 and regular price tickets were $15 w

Lady_Fox [76]

Answer:

15 early tickets were sold and 5 regular tickets were sold.

Step-by-step explanation:

Let x be the number of early bird tickets sold and y be the number of regular tickets sold.

Total number of tickets sold = 20

Thus, we can write the equation,

$x + y = 20$

Cost of early bird ticket = $10

Cost of regular tickets = $15

Total cost = $225

Thus, we can write the equation,

$225 = 10x + 15y$

We solve the equation by elimination method by multiplying first equation by 10 and subtracting.

$10x + 15y-(10x+10y) = 225 - 200\\5y = 25\\\Rightarrow y=5\\x + 5 = 20\\\Rightarrow x = 15$

Thus, 15 early tickets were sold and 5 regular tickets were sold.

5 0

3 years ago

Express 1/7 as a decimal

Alecsey [184]

Answer:

0.14

Step-by-step explanation:

1/7 as a decimal

1/7 = 0.14

6 0

3 years ago