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kolbaska11 [484]
3 years ago
11

Which expression is equal to 4^5 x 4^-7 divided by 4^-2

Mathematics
1 answer:
Mars2501 [29]3 years ago
3 0
This is not my level but i can try to solve it
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Write a linear function f with the values f(0)=−3 and f(7)=11.
kotegsom [21]

Answer:  f(x)= 2x -3

Step-by-step explanation:

Using the given information we can come up with two points that will be use to find the slope and y-intercept.  

If you input 0 you get -3  so the point will be (0,-3)

If you input 7  you get 11  so the point will be (7,11)

Now use the points to find the difference in their y coordinates and divide it by the difference in their x coordinates to find the slope.

y coordinates:  -3 - 11 = -14

x coordinates:  0 - 7 = -7

  -14/-7 = 2

Since the slope is two, we will use the slope intercept formula (y = mx +b) to find the b which is the y intercept.

Use one of the points and input its x and y coordinates into the formula including the slope to solve for b.

-3= 2(0) +b

-3 = 0 + b

b = -3  

f(x) is the same as y in the formula, meaning that the equation will be  

 f(x) = 2x -3

8 0
3 years ago
PLEASE HELP I DON'T UNDERSTAND
OLga [1]
X = the number of months the tire was used
y = the thickness of the tire tread

y = -(3/7)x + 20

Substitute x for 20 (the number of months the tire was used) and solve for y.

The next question: Substitute x for 49 (the number of months the tire was used) and solve for y.


6 0
3 years ago
What is 9+594,327= <br> I just was wondering?!?!
astraxan [27]

Answer: 594336

Step-by-step explanation: Because of google

4 0
3 years ago
Read 2 more answers
NEED HELP ASAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ra1l [238]

Answer:

122+42x= 2( 61+21x)

4x+16x+24 = 4(5x+6)

24x+48-3x = 21x+48

3x+39-2x = x+29

Step-by-step explanation:

7 0
3 years ago
A dog rolls over 25 times in 2 minutes how many times can three dogs roll over in 6 minutes
motikmotik
The unit rate of the dog is 12.5 rolls per minute. So to get your answer multiply this by 6 and you will have a total of 75 rolls.
6 0
3 years ago
Read 2 more answers
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