MATHEMATICS HIGH SCHOOL

6m+5-3m=7(m-1) help with equation.

Answers

Answer 1
Answer: 6m + 5 - 3m = 7 (m-1)
6m + 2m = 7m - 7
8m = 7m - 7
m = -7
Answer 2
Answer: 6m + 5 - 3m = 7m-7 
3m +5 = 7m-7 
-3m       -3m
       5 = 4m -7 
     +7          +7 
      12= 4m 
divide both sides by 4 
answer should be 3

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What is 5 1/5 minus 1 3/4

Answers

Answer:

3.45

Step-by-step explanation:

Answer:

3 9/20 or 3.45

Step-by-step explanation:

5 1/5 - 1 3/4

= 26/5 - 1 3/4

= 26/5- 7/4

= 69/20

= 3 9/20

A kid's pool had a small opening though which water leaked out sometimes. Water was poured into the pool from time to time. The graph below shows the amount of water in the pool (y), in gallons, at a certain time (x), in hours:Graph of first line going through ordered pairs 0, 40 and 2, 10. Graph of second line going through ordered pairs 2, 10 and 4, 10. Graph of third line going through ordered pairs 4, 10 and 7, 50.
Which of the following statements best describes the amount of water in the pool?
It is increasing during the time interval 4 < x < 7 hours.
It is increasing during the time interval 10 < x < 50 hours.
It is decreasing during the time interval 4 < x < 7 hours.
It is decreasing during the time interval 10 < x < 50 hours.

Answers

the correct answer would be A. It is increasing during the time interval 4 < x < 7 hours.

this is because when you look at the graph, the line starts to increase at 4 on the x line and stops at 7. It  (if the line goes up this mean it is increasing, if the line was going down it would be decreasing)

There are 12 rabbits in a cage. The ratio of white rabbits to all rabbits is 3:4. How many white rabbits are in a cage?

Answers

12:4 = 3
3x3=9
9 white rabbits
9 rabbits :-) That's it

there are three source of resistance in parallel circuit. Two of them are rated at 20 ohms, the other at 10 ohms. What is the circuits total resistance

Answers

in paraller connection you can calculate the equivlant resistqnce from the relation :
1/R(equi) = 1/R1 + 1/R2 + 1/R3
1/R(equi) = 1/20 +1/20 + 1/10
1/R(equi) = 0.05+0.05+0.1 = 0.2
so, R(equi) = 5 ohms

2x plus 4 in vertex form

Answers

Vertex form only applies to quadratics. A quadratic is a polynomial with 2 being the largest exponent. I don't see any x^2 term here. Please check the problem to make sure that it's typed correctly. 

Which equation would you use to solve the following situation?Molly buys some concert tickets at $10 each. If she spends $90 on the tickets, how many did she buy?

90 -t = 10
10t = 90
10 + 90 = t
9t = 90

Answers

The required equation for the tickets Molly buys is 10t = 90.

What is an equation?

An equation is a combination of different variables, in which two mathematical expressions are equal to each other.

Given that,

Price of one ticket bought by Molly = $10,

Also,

Amount spent by Molly on tickets = $90.

To find the equation,

Let Molly buys t concern tickets,

Since, the price of one ticket is $10,

Total price for tickets = 10t

The total amount is $90,

So, the equation can be written as,

10t = 90

To know more about Equation on:

brainly.com/question/187506

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You would use the last one, because each ticket is $10 and you want to see how many tickets she could buy. Although the way to work it out would be:

90 / 10 = 9

This is because you're told the price and how much they cost individually.
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