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Sedaia [141]
3 years ago
9

PLEASE ANSWER NUMBER 17

Mathematics
1 answer:
zzz [600]3 years ago
7 0
A=1 and 2
B=2 and 4
C=1,2,7 and 14
D=1,2,4,and 8
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Which value of the 9 ten times in the number 920
umka21 [38]

Answer:

9000. the value of 9 in 920 is 900. and ten times anything is basically just adding a 0. so ten times 900 is 9000.

Step-by-step explanation:

Please mark brainliest and have a great day!

3 0
3 years ago
Find the interval in which f(x)=sinx−cosx is increasing or decreasing?
alisha [4.7K]

Answer:

There is no short answer.

Step-by-step explanation:

To find to intervals which f(x) increases or decreases, we first need to find it's derivative.

f(x) = sinx - cosx\\f'(x) = cosx - (-sinx) = cosx + sinx

The function is increasing when it's value is  > 0 and decreasing when it's value is < 0.

If we take a look at this graph, cosx+sinx is positive when they are both positive or when cosx is greater then sinx on the negative part.

I hope this answer helps.

3 0
3 years ago
Find the distance between two points (-8, 4) and (9, 8)
RoseWind [281]

Answer:

Length between two points:

{ \bf{length =  \sqrt{ {9}^{2} -  {( - 8)}^{2}  +  {8}^{2} -  {4}^{2}   } }} \\  =  \sqrt{65}

8 0
2 years ago
Let f(x)= log x
marshall27 [118]

Answer:

The average rate of change of f(x) from 2-3 is 0.176

Step-by-step explanation:

Rate of change= change in y / change in x

                        = log 3 - log 2 / 3-2

                        = 0.477-0.301 / 1

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5 0
3 years ago
Given that fx=2x2-4x+1, then f(-1)is.​
oksian1 [2.3K]

Answer:

f(-1)=7

Step-by-step explanation:

I am going to assume your question meant the equation

f(x)=2x^{2} -4x+1

So f(-1) can be found by substituting all the x terms in the equation with -1

f(-1)=2(-1)^{2} -4(-1)+1

And simplifying for our answer

f(-1)=2(1)+4+1

f(-1) = 2+4+1

f(-1)=7

5 0
3 years ago
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