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Law Incorporation [45]
2 years ago
11

Find the derivative of f(x) = 7x + 9 at x = 6

Mathematics
1 answer:
slava [35]2 years ago
3 0
F(x)=7x+9
f´(x)=7
f´(6)=7

answer: f´(6)=7

f´(x)=Lim x⇒0   (f(x+h)-f(x)) / h
f´(6)=lim x⇒ 0   (7(6+h)+9 -(7*6+9)) / h
=lim x⇒0 ( 42+7h+9-42-9) /h
=lim x⇒0 (7h/h)=7

answer: f´(6)=7
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A circle has a circumference of 33 inches. What is<br> the area of the circle?
UkoKoshka [18]

Answer: Circle

Solve for area

A≈86.66in²

C Circumference

Using the formulas

A=πr2

C=2πr

Solving forA

A=C2

4π=332

4·π≈86.65987in²

Step-by-step explanation:

6 0
1 year ago
Helppppppppppp???????
Assoli18 [71]

Answer:

an = 3n – 5; a16

Step-by-step explanation:

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7 0
2 years ago
Which one is it? Plz help
Bezzdna [24]

Multiplication and division with the powers of ten

So, when multiply powers of ten, all you have to do add up the powers.

The reverse goes when you are dividing. You would subtract the powers.

9 x 10^7                    =>   3 x 10^3

The words " how many times as large as " indicates that we are going to divide the two, making it look like this:

\frac{(9)(10^{7}) }{(3)(10^{3}) }

Divide the 9 by 3 you get 3

Then subtract 10^3 from 10^7

Therefore, the answer is 3 x 10^4, or A

6 0
2 years ago
Which ratio is equivalent to 4.5?<br> 10<br> 15<br> 4<br> 10<br> 16<br> 20<br> 15<br> 8
bekas [8.4K]

Answer:

8:10 and 12:15

Step-by-step explanation:

to find the two equivalent ratios of 4:5 we need to apply multiplication method only to get the answer in integer form therefore, the equivalent ratios of 4:5 are 8:10 and 12:15

6 0
2 years ago
Read 2 more answers
Choose the equation that has solutions (5,7) and (8,13).
Alekssandra [29.7K]
<h2>Answer:y=2x-3</h2>

Step-by-step explanation:

(x_{1},y_{1}) is called solution of a equation if (x_{1},y_{1}) satisfies the equation.

Consider the equation y=2x-3,

For point (5,7),

LHS=y=7

RHS=2x-3=2(5)-3=10-3=7

So,RHS=LHS

The point (5,7) satisfies the equation.

For point (8,13),

LHS=y=13

RHS=2x-3=2(8)-3=16-3=13

So,RHS=LHS

The point (8,13) satisfies the equation.

So,both the points satisfy the equation y=2x-3

5 0
3 years ago
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