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Citrus2011 [14]
2 years ago
6

What is the constant of proportionailty in the equation y=5x

Mathematics
1 answer:
yan [13]2 years ago
7 0

Answer:

I think it's just 5

Step-by-step explanation:

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What would you do to solve the system?
Molodets [167]

Answer:

To decide whether to add or subtract,  determine if the values of the  coefficients are the same or opposites:

. If the values are the same, subtract the  equations.

• If the values are opposites or additive  inverses, add the equations.

Step-by-step explanation:

Given

12x = 48 - 8y

10x + 8y = 38

Required

How to solve

Options (1) and (2) are incorrect because none of the options eliminate x or y.

For option (3),

- Check for the coefficients of x and y

- If they are the same (sign and value), then subtract; otherwise add

For instance:

12x = 48 - 8y

10x + 8y = 38

Rewrite the second equation

12x = 48 - 8y

10x = 38 - 8y

The coefficient of y are the same, so we subtract;

12x - 10x = 48 - 38 -8y -(-8y)

12x - 10x = 48 - 38 -8y +8y

2x = 10

x= 5

<em>See that y has been eliminated</em>

8 0
3 years ago
How can you determine the domain and range of function.
Mice21 [21]

Answer:

The domain of a function is the complete set of possible values of the independent variable.

In plain English, this definition means:

The domain is the set of all possible x-values which will make the function "work", and will output real y-values.

When finding the domain, remember:

The denominator (bottom) of a fraction cannot be zero

The number under a square root sign must be positive in this section

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Please help ASAP ;)
Taya2010 [7]

Answer:     use PEMDAS

Step-by-step explanation:  

8 0
3 years ago
What’s the answer to finding out what 5x+2y=70?
inna [77]

Answer:

x=<u>-2y+70</u>

       5

y=<u>-5x+70   </u>

        2

Step-by-step explanation:

5 0
3 years ago
Find the quotient. Write your answer as a decimal.<br> 12.42 divided by (-4.8) =
MakcuM [25]

Answer:

Multiply the divisor by a power of 10 to make it a whole number.

Multiply the dividend by the same power of 10. Place the decimal point in the quotient.

Divide the dividend by the whole-number divisor to find the quotient.

7 0
2 years ago
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