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Viktor [21]
3 years ago
14

What is 14=4xb+3 -------------------------------

Mathematics
1 answer:
Kipish [7]3 years ago
5 0

Answer:

Step-by-step explanation:

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Twice a number minus a second number is –1. Twice the second number added to three times the first number is 9. Find the two num
forsale [732]

Answer:

n= 1

x= 2

Step-by-step explanation:

the equations are 2n - x = -1

                              2x + 3n = 9

6 0
3 years ago
Angle DEB is 42. State the size of angle ABD
Kay [80]

Answer:

The answer would be 80 ° because 5×( 2 + 13 or x +1 ) is 80

Step-by-step explanation:

ABD is 80°

If DEB is 42 °

∠ ABD = 5(2X+1)

∠ DBC = 3X+6

∠ EBC = Y +135/2

∠ ABD and ∠ DBC are linear pairs

∴ ∠ ABD +∠ DBC = 180

∴ 5(2X+1) + 3X+6 =180

solve for x

∴ x = 13

∴∠ ABD = 5(2X+1) = 5(2*13+1) = 135

 ∠ DBC = 3x+6  = 3*13+6 = 45

∠ ABD  and ∠ EBC are vertical angles

∴ ∠ ABD = ∠ EBC = 135

∴ y +135/2 = 135

∴ y = 135/2

5 0
3 years ago
What is the difference between 3/5 and 2/10
Ede4ka [16]
The difference between 3/5 and 2/10 is that 3/5= 6/10 
so...
2/10 is a lot smaller than 3/5 (6/10)
6 0
3 years ago
What variable did the researchers intentionally vary in the experiment, and what are the units for this variable?.
dybincka [34]

The variable the researchers intentionally varied in the experiment is time and the units of the variable is mins.

<h3>What is an independent variable?</h3>

The independent variable is the variable that the researcher varies or changes or manipulates in the course of the experiment. The independent variable usually have a direct effect on the dependent variable.

With the passage of time, the level of concentration increases. This means that time is the independent variable and concentration is the dependent variable.

Please find the required table attached. To learn more about independent variables, please check: brainly.com/question/26287880

3 0
2 years ago
Is the square root of 126 irrational or rational
alexgriva [62]

Answer:

RATIONAL

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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