MATHEMATICS MIDDLE SCHOOL

The cost y (in dollars) to rent a car is proportional to the number x of days that you rent the car. It costs $207 to rent the cars for 3 days. Write an equation that represents the situation.

Answers

Answer 1
Answer: 207/3= x 
Because if you divide 207, by three you get the daily cost of the rental car. From then on, you can easily find the cost of the rental car over any amount of time. I hope this helped!  

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I need help with this!!! Which has a greater area, a triangle with a base of 100 feet and a height of 100 feet or a circle with diameter of 100 feet, please justify your selection.

Please need help
(s + 12) + (3s - 8)

Answers

s+12+3s−8=
s+12+3s+−8
Combine Like Terms
s+12+3s+−8=
(s+3s)+(12+−8)=
4s+4

Can you solve it if I write the same thing like this ?

                   s    +    12
                 3s    -      8
                =========  


The piece on the left is
                                            s
                                          3s
                                      ====
                                          4s   .

The piece on the right is
                                           12
                                          -  8
                                        ====
                                             4  .

Write the pieces together again, and you have

                                   4s + 4                               

The amounts of industrial waste generated in a region during two years were 31,900,000 tons and 53,400,000 tons. What was the total industrial waste generated over theses two years in the region,expressed in scientific notation

Answers

85,300,000 that's the answer you can put
     31,900,000+53,400,000=85,300,000 tons
 


What's 30x-9=900????????​

Answers

Answer:

30.3

Step-by-step explanation:

909/30 = 30.3

x = 30.3

Answer: 300.3

Step-by-step explanation

30x-9=9000

30x=9009

x= 300.3

Which equation has no solution?|4x – 2| = –6
|–2 – x| = 9
|3x + 6| = 6
|–2x + 8| = 0

Answers

Answer:

Option A) |4x - 2| = - 6 has no solution.

Step-by-step explanation:

option A) |4x - 2| = - 6

Since left hand side of function is in modulus, so it will always gives positive values but right hand side is - 6 ,

So, there are no values of x that make the equation true.

option B) |- 2 - x| = 9

Equation is true for x = 7

option C) |3x + 6| = 6

Equation is true for x = 0

option D) |–2x + 8| = 0

Equation is true for x = 4.

hence, option A) |4x - 2| = - 6 has no solution.

Answer:

Option 1

there are no values of x that make the equation true


Step-by-step explanation:

I need to find the letters

Answers

Answer:

w = 21

x = 13

y = -11

z = -16

Step-by-step explanation:

Matrix subtraction is simply subtracting "corresponding" values e.g. row 1 column 1 value of one matrix and row 1 column 1 value of another matrix, and so on...

Thus, w = 17 - (-4) = 17 + 4 = 21

x = 12 - (-1) = 12 + 1 = 13

y = -3 -8 = -11

z = -2 -14 = -16

These are the values of w, x, y and z , respectively.

The woods behind adam house went 2 miles wide and 5 miles long . what is the perimeter

Answers

you have to do 2 + 2 and 5 + 5 to get the answer. 2+2+5+5 = 14. the perimeter is 14 miles long
The answer will be 14.

In order to get that answer you must add 2 twice (2+2) and 5 twice (5+5). Once you do that  you add 4 and 10 which will give you 14.

Hope it Helps :]
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