Answer:
g - 7 represents the number of boys.
Step-by-step explanation:
Let's say that x is the number of boys then:
x + 7 = g
So to find the number of boys we rearrange the equation to make x the subject of the formula:
g - 7 = x + 7 - 7
g - 7 = x
So the number of boys in g - 7
Answer:
8
Step-by-step explanation:
b ÷ 9 when b = 72
b ÷ 9 <== substitute 72 for b, and solve
72 ÷ 9 = 8
Hope this helps!
Answer:
√64
Step-by-step explanation:
In mathematics, an expression involving the root (√) sign is regarded as a radical.
64^(1/2)
This is the same as;
√64
- √(1/2&64) This option is wrong.
- √64 This option is correct
- 1/2 √64 This option is wrong.
- 8 This option is wrong.
If a segment is horizontal, its length is the difference between its x coordinates. If the result is negative, you need to consider the absolute value (or just pick the coordinates in the correct order, i.e. the bigger minus the smaller).
So, we have