4 years ago

What does proportional mean?

2 answers:

6 0

In mathematics, two variables are proportional if a change in one is always accompanied by a change in the other, and if the changes are always related by use of a constant multiplier. The constant is called the coefficient of proportionality or proportionality constant.

mojhsa [17]4 years ago

4 0

Corresponding in size or amount to something else

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liberstina [14]

Answer:

CHRISTMAS TREES

Step-by-step explanation:

for each number in the matrix, start by subtracting 1, then divide the number you got by 2

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3 years ago

What is the first step in solving the quadratic equation -5x2+8=133

astraxan [27]

I don’t think you can solve by using quadratic equation

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3 years ago

How many solutions does the equation below have?

Elina [12.6K]

Answer:

1.one solution is the answer

Step-by-step explanation:

3 0

3 years ago

Write a rule for the nth term of the arithmetic sequence 3, 11, 19, 27, 35... what is a20?

vladimir1956 [14]

3, 11, 19, 27, 35...

a = 3
d = 11-3 = 8
a20 = a + 19d = 3 + 19*8 = 3 + 132 = 135

HOPE IT HELPS!

5 0

3 years ago

49 students are selected at random from sophomore class 39 from the junior class and 48 from senior class what type of sampling

tankabanditka [31]

Answer:

(B)Stratified

Step-by-step explanation:

Stratified sampling refers to a sampling method in which the entire population is first divided into groups/strata before a random sample is taken from each strata.

The school population in this case has been divided into these strata,

Sophomore class
Junior class; and
Senior class

From these classes, a random sample of 49,39 and 48 students respectively was then taken,

3 0

3 years ago