Answer:
D
Step-by-step explanation:
It's a line with many solutions like
When x=1 y=1
X=2 y=-2
And so on all the pts on the line
Maggie =x
brother = 2x-3
x+2x-3= 24
27 /3= 3 x/3
x= 9 years
Answer:
i doesn,t understand this language
Answer:
Rhian did better in the Math test.
Step-by-step explanation:
Given: Rhian scored
out of
in a Math test. In the English test she scored
out of
.
To find: In which test did she do better?
Solution:
We have,
Rhian scored
out of
in a Math test.
Rhian scored
out of
in an English test.
So, first we need to find the percentage of the marks scored.
Percentage in the Math test
.
Percentage in the English test
.
Clearly, the percentage in the Math test is greater than the percentage in the English test.
So, Rhian did better in the Math test.
This is
{HH, TT, TH, HT} where H = head and T = tail