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Rama09 [41]
2 years ago
13

Which equation has a constant of proportionality equal to 4

Mathematics
1 answer:
Oksana_A [137]2 years ago
6 0
D

3y=12x
y=4x
the constant is 4 which answers your question
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will the opposite of a number always,sometimes,or never be greater than the number itself??????? can someone do an example and a
weeeeeb [17]

When the number is positive, its opposite is less than the number.

9 ==> -9 . . . . . . less
72 ==> -72 . . . . less
324 ==> -324 . . less


When the number is negative, its opposite is greater than the number.

-8 ==> 8 . . . . . . greater
-3/4 ==> 3/4 . . . greater
-429 ==> 429 . . greater .

We've seen that the opposite can be less, and it can also be greater.
I guess that means that it's sometimes greater.

8 0
2 years ago
Read 2 more answers
A line segment has endpoints A(4, 8) and B(2, 10). The point M is the midpoint of AB. What is an equation of a line perpendicula
Vera_Pavlovna [14]
I)

The Midpoint M of the line segment AB is found using the Midpoint formula:

M=( \frac{4+2}{2} , \frac{8+10}{2})=(3, 9)

ii)

the slope of the line through A and B is found by the slope formula:

m= \frac{y_1-y_2}{x_2-x_1}= \frac{10-8}{2-4}= \frac{2}{-2}=-1

iii)

the product of the slopes of 2 perpendicular lines is -1, so the slope of the line perpendicular to the line through A and B is -1/(-1)=1

iv) 

the equation of the line with slope 1, which contains point M(3, 9) is found by the slope point form equation of a line:

y-9=1(x-3)

y-9=x-3

y=x+6


Answer: y=x+6

7 0
3 years ago
If the relationship is proportional, what is the missing value from the table?
svlad2 [7]

Answer:

B. -15

Step-by-step explanation:

Took the test, this question was correct when you choose -15.

3 0
3 years ago
Read 2 more answers
How many solutions does this system have? How do you know? { 3x + y= 2 4 = 12x − 12
lesya [120]
This system has one solution, because both of the equations are linear. The answer is (4/3, -2). 
5 0
3 years ago
Ann buys a dress in a sale. The normal price of the dress is reduced by 20%. The normal price is £36.80. Work out the sale price
marshall27 [118]
Hello!

Let's do this step by step!

#1

"Reducing" means to make something smaller, like a discount. So we are reducing the price of the dress by 20%. This means we must first find what 20% of the dress's price is and then subtract that from the price.

#2

36.80 * 20% = 7.36

So, 20% of 36.80 is 7.36. Subtract that: 

#3

36.80 - 7.36 = 29.44

Answer: 

The sale price of the dress is $29.44. 

Good day!
5 0
2 years ago
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