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Minchanka [31]
3 years ago
15

O 1) Which below graph represents direct variation? GRAPH A or GRAPH B Why?

Mathematics
1 answer:
Zina [86]3 years ago
4 0

Answer:

Graph B

Step-by-step explanation:

The equation for direct variation is y=kx, with k being the slope. As you can see from the equation, there is no y-intercept. In graph A, you would add 8; therefore, it does not meet the requirements for direct variation.

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Diego solved an equation by multiplying both sides of the equation by 6. Then he checked that 6 is the correct solution by subst
Nikolay [14]
Based on the given condition Diego utilized, it can be said that he used multiplication property when he multiplied both sides of the equation by 6 and then substitution property when he substituted 6 to the original equation.
(c) Multiplication property of equality and substitution property of equality
7 0
3 years ago
Evaluate 4a + 7b + 3a − 2b for a = 5 and b = −3.
blsea [12.9K]

Answer:

<h2>20</h2>

Step-by-step explanation:

4a+7b+3a-2b\qquad\text{combine like terms}\\\\=(4a+3a)+(7b-2b)\\\\=7a+5b\qquad\text{put a = 5 and b = -3 to the expression}\\\\7(5)+5(-3)=35-15=20

5 0
3 years ago
The temperature falls from 3 degrees Celsius to -4 degrees celcius what is the the difference in these temperatures
STatiana [176]

Answer:

7

Step-by-step explanation:

3 - -4=7

6 0
3 years ago
Identifying a constant of variation question<br><br> R= ?
jek_recluse [69]
Pressure and Volume are inversely related as:

P= \frac{R}{V}

We can also write it as:

PV=R

R is the constant of proportionality. Using the first row of given table, we can write:

2(4.155)=R \\  \\ &#10;R=8.31

Thus, the value of R, the universal gas constant is 8.31
4 0
3 years ago
What type of function does this equation represent?<br> 2<br> Y = 4<br> (1)
Sphinxa [80]

Answer:

2y=4 is a linear function

Step-by-step explanation:

Since 2y=4 is the same as 2y¹=4, then a degree of 1 makes the function linear, aka. a straight line.

4 0
3 years ago
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