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Cloud [144]
2 years ago
9

Evaluate x if:(i) 36x = 782 - 42​

Mathematics
1 answer:
Ratling [72]2 years ago
5 0

Answer:

36x=740

x=740/36

x=20.55

Hope it helps

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Mr. Martin's math test, which is worth 100 points, has 35
AlekseyPX

Number of questions worth 5 points = 10

Number of questions worth 2 points = 25

Further explanation:

The given system is a system of linear equations in two variables.

We will use the subsitution method to solve the system

Given equations are:

x+y=35\\5x+2y=100

From equation no 1:

x+y=35\\x=35-y

Putting x=35-y in second equation

5x+2y=100\\5(35-y)+2y=100\\175-5y+2y=100\\-3y=100-175\\-3y=-75\\\frac{-3y}{-3}=\frac{-75}{-3}\\y=25\\Putting y=25 in first equation\\x+25=35\\x= 35-25\\x=10

Hence,

Number of questions worth 5 points = 10

Number of questions worth 2 points = 25

Keywords: Linear Equations, Substitution method

Learn more about substitution method at:

  • brainly.com/question/11566221
  • brainly.com/question/13063819

#LearnwithBrainly

3 0
3 years ago
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If there are 75 tickets in the dinner out<br> raffle, then how many total tickets are there?
Minchanka [31]

Answer:

75?

Step-by-step explanation:

is there more to the question?

5 0
2 years ago
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PLS HELP .........................
Romashka [77]

Answer:

Step-by-step explanation:

The answer (y intercept) occurs when x = 0

The answer is -2

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y = 10/-5

y = - 2

7 0
2 years ago
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Make x the subject of the formula y=x/a
anyanavicka [17]
X = ay


Hope this helps


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Need help with a math question
krek1111 [17]

Answer:

x=13°

Step-by-step explanation:

If BE is an angle bisector, then it divides the angle into two equal angles. This means that

∠ABE=∠EBC

Since ∠ABE=2x+20 and ∠EBC=4x-6, we have

2x+20=4x-6

2x-4x=-6-20

-2x=-26

2x=26

x=13°

4 0
3 years ago
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