Am I supposed to look at letter a or b or c or d ?
1. Replace x with the given values and see if the equation equals the Y value:
y = -5x +4
-5(5)+4 - -25 +4 = -21
The answer is D.
2. -4 = g+1
Subtract 1 from each side:
-5 =g
The answer is C.
3. The 2nd chart is correct, ( the top one on the picture with 2) because when Tony is 5 the line is on Y = 0, when the line is on 6 it is on Y=1, which keeps Tony at 5 years older.
Answer:
The new mean is 77cm
Step-by-step explanation:
If the mean height of the 30 children in a room is 76 cm, then the sum of their ages is
If James with height 107cm joins them, then the total number of children now becomes 30+1=31 and the total height becomes: 2280cm+107cm=2387cm
The new mean now becomes:
Answer:
64 ft
Step-by-step explanation:
The shadow of the post is 12 feet long. The shadow of the flagpole is 96 feet long.
The shadow of the flagpole is 8 times longer than the shadow of the post.
8 x 8 = 64
EDIT:
Order of operations doesn't matter in addition. So you can add them in any order.
