Answer:
4x + 2y = 7
Step-by-step explanation:
The standard form equation goes as follows: Ax + By = C
We know what A, B, and C is so all we need to do is fill them in.
Answer:
Step-by-step explanation:
The answer is C
Answer:
20
Step-by-step explanation:
If 36 boys can conplete a task in 4 hours, then 19.35 boys could do it in 2 and a fourth hours.
You can set up an equation
A fourth of an hour is 15 minutes, so,
36 is to 4 as x is to 2.15, or,
36=4 as X=2.15
Multiply 2.15 by 36 (77.4)
77.4 divided by 4= 19.35.
Of course, you cannot have 19.35 boys, so there must be 20.
Hope this helps!
Answer:
That's a simple question.
Well, we know that the number of tennis ball are 9 which are to be put in 3 cans
So the the rate of number of tennis balls to number of cans will be= number of balls/number of cans= 9/3
In order to find out the number of balls per can just simplify them= number of balls/number of cans =9/3 = 3 balls per can
So there will also be 3 tennis balls in one can
Read more on Brainly.in - https://brainly.in/question/1632700#readmore
Step-by-step explanation:
Answer:
, 
and volume of cerebral brey matter for a child whose head circumference Z score at age 12 months was 1.9 is 
Step-by-step explanation:
We attached a table below,
We attached a table below,
Therefore ,
correlation coefficient 
We calculate the least squares equation.
Now , calculate intercept coefficient.
Therefore, the regression equation is,
Find the volume of cerebral brey matter for a child whose head circumference Z score at age 12 months was 1.8
