4x-2y=8 ==> y=2x-4 (to better show you what I mean)
2 lines are parallel if they have the same slope (m the coefficient of x).
So y=mx + b // y =2x-4 means m=2 & y=mx + b, becomes y=2x + b.
Moreover they are telling us that this function passes by (-2,1), where -2 represents x & 1, represents y. To calculate b , replace x & y by their values:
y=2x+b ==> 1 = 2(- 2) + b==> 1 = -4 + b ==> b= 5. Finally the equation is
y=-2x+5
The decimal number for seventy eight hundred-thousandths is 5.
<h3>
What is decimal number?</h3>
A decimal is a number that consists of a whole and a fractional part
The decimal numeral system is the standard system for denoting integer and non-integer numbers.
What is the decimal number for seventy eight hundred-thousandths?
= 78 x 10⁻⁵
<u>note</u>: a hundred thousandth = 10⁻⁵
= 0.00078
Thus, the decimal number for seventy eight hundred-thousandths is 5.
Learn more about decimal number here: brainly.com/question/1827193
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We have no idea how 'x' responds to changes in 'y'.
We don't even know their units, to make a guess with.
-- If 'x' and 'y' are the ages of two people, then when y = 30, 'x' will be 23.
-- If they are the frequency and wavelength of a wave on the lake,
then when y = 30, 'x' will be 2 .
-- If 'x' is the weight of a rock in your front yard and 'y' is the number of pages
in today's newspaper, then 'y' has no effect on 'x'. No matter what happens
to 'y' . . . 'x' will always be 5 .
With the information given in the question, we just don't know.
We need either an equation, or else one more example.
Answer:
33
Step-by-step explanation:
90-57=?
57+?=90
57+33=90
Answer:
Please check the explanation.
Step-by-step explanation:
Given the expression
5.2v - (30 ÷ 6) + 12
<u>9) We need to determine which part of the expression represents a quotient?</u>
We know that when we divide one rational expression by another, the result would be termed as 'quotient'.
Here, it is clear that:
(30 ÷ 6) represents the expression part for a quotient.
When we divide 30 by 6, we get the result 5 which would be the quotient of the expression 30 ÷ 6.
10. Which part of the expression represents a product of two factors?
We know that when a multiply two number, we get the product. The multiplying numbers are the factors of the product.
For example, 4 × 9 = 36 therefore, 4 and 9 are the factors of 36.
In our case, 5.2v represents a product of two factors 5.2 and v. In other words, 5.2 and v are the factors of the product of 5.2v.
