This is like so hard to me i do not get it at all!

Answers

Answer 1

Answer: If u don't get it, go back and do some practice problems they have in the lesson. (I am in K12 too, that's wat I do. Sometimes I even do practice problems in the middle of the test.)

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The length of a chalkboard is 5 feet.the width is 10 ft. mr Jones has 20 feet of string to place around it. Ms coley cuts off 3 feet of the decoration, will there be enough string to place around the chalkboard?

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Mr jones does not have enough string to place around the chalkboard

Answer:

nope he doesn't

Step-by-step explanation:

What is 13/20 written as a decimal?

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To find decimals out of fractions, you divide 13 and 20, which equals 0.65.

Math question please help me! :(

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Your Answer would be B) Graph B, since it changed most rapidly then the others!

Hope i helped:P

Yea I agree with "Something41" The answer is B

The base of this solid figure has 4 equal sides and the faces are triangels

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it is regular pyramid.

It's a pyramid of square base.

There are 6 times as many dogs as cats. If the total number of dogs and cats is 21. How many dogs are there? Show your work

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there are 3 cats and 18 dogs. :D

I say divide 21 with 6 and you get 3.5 so round it and you get 3.Then subtract 3 from 21, so the answer is 3 cats ad 18 dogs.

hope this helps :)

Find the average rate of change for f(x)=x+6 over the interval [4,8]

Answers

Solve for f(x) using both 4 and 8:

f(x) = 4+6 = 10

f(x) = 8+6 = 14

Find the difference between the answers:

The difference between the two answers is 14-10 = 4

Find the difference between the interval:

The difference between 4 and 8 is: 8-4 = 4

The rate of change is the change in the answers over the difference in the interval:

The rate of change is 4/4 = 1

Answer:

The Average rate of change for f(x) = x+6 over the interval (4,8) is 1

Solution:

We define the Average rate of function f(x) over the interval (a, b) as

$(f(b)-f(a))/(b-a)$ --- eqn 1

From question, given that

f(x) =x+6 --- eqn 2

The interval is (4,8) .hence we say a = 4 and b = 8

The average rate of change for f(x) = x + 6 is given by using eqn 1

$(f(8)-f(4))/(8-4)$ --- eqn 3

Where, by using eqn 2 , we get f(8) = 8+6 =14 and f(4) = 4+6 =10

Such that the required value would be f(8)-f(4) = 14-10 = 4

By substituting the values of f(8) and f(4) in eqn 3 ,the average rate of change for the given expression is

$=(14-10)/(8-4)=(4)/(4)=1$

Hence the Average rate of change for f(x) = x+6 over the interval (4,8) is 1

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