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IgorC [24]
3 years ago
11

PLEASE SOMEONE HELP!!!!

Mathematics
1 answer:
elixir [45]3 years ago
3 0

Answer:

x = 5

Step-by-step explanation:

27x - 5 = 130

27x = 135

x = 5

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The distance of a trip
Vladimir [108]

Answer:

T-.5 = x (200)

Step-by-step explanation:

Let T = total time in hours

30 mn = .5 hours  30 /60 = .5

$ 2.00 is the rate per hour.

so  T − .5 =  the time that will be charged at the rate

Therefore the  total charge is then

T − .5 × 2.00

4 0
3 years ago
Last year the six grade enrollment at Main middle school was 612 students this year the enrollment is 489 students which best re
Marrrta [24]

Answer: 20.1% or 20% depending on your teacher

Step-by-step explanation:

612-489=123    123/612= 0.200980392   round to 0.201   move decimal two spaces to the right to make it a percent 20.1% or 20% depending on your teacher.

3 0
3 years ago
What is the solution to the
zubka84 [21]

Answer:

this is the answer. (3,2)

8 0
3 years ago
The access code for a car’s security system consists of four digits, 0 through 9. Once a digit is used, it cannot be repeated. T
bezimeni [28]

Answer:

10 9 8 7

Step-by-step explanation:

There are 10 choices for the first digit,

9 choices for the second digit,

8 choices for the third digit, and

7 choices for the fourth digit.


Using the fundamental counting principle, how many access codes are possible? 5,040


If the digits 0 through 9 could be repeated, how many access codes would be possible? 10,000

5 0
3 years ago
For each value of y , determine whether it is a solution to -21=6y-9 . A -5, B 3 , C -2, D 9
Nezavi [6.7K]

Option C

For each value of y, -2 is a solution of -21 = 6y - 9

<u>Solution:</u>

Given, equation is – 21 = 6y – 9  

We have to find that whether given set of options can satisfy the above equation or not

Now, let us check one by one option

<em><u>Option A) </u></em>

Given option is -5

Let us substitute -5 in given equation

- 21 = 6(-5) – 9

- 21 = -30 – 9  

- 21 = - 39  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option B)</u></em>

Given option is 3

- 21 = 6(3) – 9  

- 21 = 18 – 9  

- 21 = 9  

L.H.S ≠ R.H.S ⇒ not a solution

<em><u>Option C)</u></em>

Given option is -2

- 21 = 6(-2) – 9  

- 21 = - 12 – 9  

- 21 = - 21  

L.H.S = R.H.S ⇒ yes a solution

<em><u>Option D)</u></em>

- 21 = 6(9) – 9

- 21 = 54 – 9  

- 21 = 45  

L.H.S ≠ R.H.S ⇒ not a solution

Hence, the solution for the given equation is – 2, so option c is correct

6 0
4 years ago
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