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Alika [10]
3 years ago
15

Natalie's savings is 4/7 of Bernice's savings. After Bernice bought a cap which cost $15 , her saving would be $9 more than Nata

lie's savings. Find Natalie's savings?
Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0
Hello, do you know the answer to this problem wail because the answer is in someone elses underneath mine so use that
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For the function below, give the ordered pair if x = 2 f(x)=-3(x+2)2+9
Kay [80]

Answer:

(2, -39)

Step-by-step explanation:

f(x)=-3(x+2)^2+9

f(2)=-3(2+2)^2+9

f(2)=-3(4)^2+9

f(2)=-3(4)(4)+9

f(2)=-3(16)+9

f(2)=-48+9

f(2)=-39

8 0
2 years ago
Use the table to determine the average rate of change from 3 to 6 storms
skelet666 [1.2K]

Answer:

Step-by-step explanation:

Good Morning If you can be more specific i can help you with this question but there is no table text me back if oyu still need help! ;)

5 0
3 years ago
) For which values of x is f '(x) zero? (Enter your answers as a comma-separated list.) x = (No Response) For which values of x
grigory [225]

Answer:

Check below, please

Step-by-step explanation:

Step-by-step explanation:

1.For which values of x is f '(x) zero? (Enter your answers as a comma-separated list.)

When the derivative of a function is equal to zero, then it occurs when we have either a local minimum or a local maximum point. So for our x-coordinates we can say

 f'(x)=0\: at \:x=2, and\: x=-2

2. For which values of x is f '(x) positive?

Whenever we have  

 f'(x)>0

then function is increasing. Since if we could start tracing tangent lines over that graph, those tangent lines would point up.

 f'(x)>0 \:at [-4,-2) \:and\:(2, \infty)

3. For which values of x is f '(x) negative?  

On the other hand, every time the function is decreasing its derivative would be negative. The opposite case of the previous explanation. So

 f'(x)

4.What do these values mean?

 f(x) \:is \:increasing\:when\:f'(x) >0\\\\f(x)\:is\:decreasing\:when f'(x)

5.(b) For which values of x is f ''(x) zero?

In its inflection points, i.e. when the concavity of the curve changes. Since the function was not provided. There's no way to be precise, but roughly

at x=-4 and x=4

6 0
3 years ago
Expand to write an equivalent expression -1/2 (-6x+8y) <br><br>(Pleasee help i need an answer rqqqq)
Alik [6]

Answer:

-  \frac{1}{2} ( - 6x + 8y) \\  =  \frac{1}{2} (6x - 8y) \\  = 3x - 4y

6 0
3 years ago
2(-2x + 2) + x + 3 = 37
Pavel [41]

Answer:

x=-10 is your answer

Step-by-step explanation:

2(-2x+2)+x+3=37

-4x+4+x+3=37

-4x+4+x=34

-4x+x=30

-3x=30

x=-10

7 0
2 years ago
Read 2 more answers
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