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melisa1 [442]
3 years ago
8

3(5z-7)-2(9z-11)=4(8z-13)-17 solve the equation ​

Mathematics
1 answer:
galben [10]3 years ago
7 0

Answer:

z=2

Step-by-step explanation:

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Eddie has saved up $45 to purchase a new camera from the local store. The sales tax in his county is 7% of the sticker price. Wr
NARA [144]


 tax gets added to the price of the camera

 so the equation is:

x + 0.07x = 45; x = $42.06

3 0
3 years ago
Is the relationship linear, exponential, or neither?
kati45 [8]

Answer:

Neither linear nor exponential

Step-by-step explanation:

To check for a linear relationship.  Find slope.

slope=  (-1  -  (-2)) / ( 5 - 2)  = 1/3

check  other points

slope = (1 - (-1) )/ (8 - 5) =  2/3

check more

slope = (4 - 1) / (11 - 8) = 3/ 3 = 1

Nope.

try assuming an exponential:

y = c * (a^x)

-2 =  c* (a^2);    -2/c = a^2

-1 = c *(a ^5);    -1/c = a^5

1 =  c * (a^8),     1/c = a^8

(-2/c)^4 = a^8 = 1/c

16/(c^4) = 1/c

c^3 = 16,  then    a = root (-2/ cube-root(16) )

The change from negative to postive  would not work  for y = c(a^x)

so...

assume   y =  a^x  + k

-2 = a^2  + k

-1 = a^5  + k

...  I would say neither..

6 0
3 years ago
several people are sitting evenly spaced around a circular table and the positions are labelled 1, 2 ,3 and so on .The people at
alexandr1967 [171]

12 will be opposite to 24. Then the number of the people are sitting at the table will be 24.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

The several people are sitting evenly spaced around a circular table and the positions are labelled 1, 2, 3 and so on.

The people at positions 3 and 15 are directly opposite each other.

Then the number of the people are sitting at the table will be

1 is opposite to 13

2 is opposite to 14

3 is opposite to 15

Similarly, 12 will be opposite to 24.

Then the number of the people are sitting at the table will be 24.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

7 0
2 years ago
Look at problem #1 with slope 6. Write an equation to represent the graph.​
icang [17]
Y=x+6 that’s correct
7 0
2 years ago
Read 2 more answers
HELP ME PLEASE!
Amiraneli [1.4K]
(1.2×10^-3)/(4×10^6)
1.2/4=0.3
(10^-3)/(10^6)=10^-9

0.3×10^-9= 3×10^-10
3 0
3 years ago
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