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svet-max [94.6K]
3 years ago
14

Which math operation determines the following pattern?

Mathematics
2 answers:
IceJOKER [234]3 years ago
8 0
Subtraction is the correct answer
cricket20 [7]3 years ago
6 0

Answer:

subtraction

Step-by-step explanation: the difference between 2 and -3 is 5 and so on... since the numbers have a minus sign beside them, it should be easier to know that the numbers are subtracting. :)

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Reason Abstractly Find two integers whose sum is -7 and whose
Travka [436]

Step-by-step explanation:

Let's represent the two integers with the variables x and y.

From the problem statement, we can create the following two equations:

x + y = -7

xy = 12

With the first equation, we can subtract y from both sides to isolate the x variable to the left-hand side:

x = -7 - y

Now that we have a value for x, we can plug it into the second equation and solve for y:

(-7 - y)y = 12

-7y - y^{2} = 12

Now, let's move everything to one side of the equation:

y^{2} + 7y + 12 = 0

Factoring this quadratic will give us two values for y:

(y + 4)(y + 3) = 0

y = -3, -4

Since we now know y = -3, -4, we can plug this back into either of the original equations to get a value for x, which will be x = -4, -3.

So the two numbers that sum to -7 and have a product of 12 are -3, -4.

7 0
3 years ago
Read 2 more answers
An express train makes a run of 240 km at a certain speed. Another train whose speed is 12 km/hr less takes an hour longer to co
Evgesh-ka [11]

Answer:

12.63 km/hr

Step-by-step explanation:

Given the distance=240km

At 12 km/hr it will take =240/12 =20

time for Express train = 20-1=19

speed=240/19=12.63...km/hr

3 0
3 years ago
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What is the value of X?​
joja [24]

Answer:

27 is ta value of x because.. first of all add allthose threee sides

3(x+2)+ 35+ 52=180(the sum of triangle)

or, 3x+6+35+52=180

or,3x=180-93

or,x=87/3

Therefore, the value of x is 29

Step-by-step explanation:

mark me as main brainliest please

4 0
2 years ago
Greg worked 7 hours on Friday and earned an additional $40 in tips. Then he worked 6 hours on Saturday and earned an additional
andre [41]
7d + 40 + 6d + 35 =
13d + 75 <== simplified
7 0
3 years ago
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Round 127.819 to the nearest tenth
jeka57 [31]
I'm pretty sure its 127.8
7 0
3 years ago
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