Answer:
-0.5
Step-by-step explanation:
Use the simultaneous equations method:
x - 4y = 6
3x + 4y = 10
Add these two equations together to cancel out 'y':
4x = 16
Divide both sides by 4:
x = 4
substitute this value into one of the equations:
(4) - 4y = 6
Subtract 4 from both sides:
- 4y = 2
Divide both sides by -4:
y = -0.5
goodluck!
Answer:
C
Step-by-step explanation:
0 ≤ h ≤ 40, h ∈ R
Hope this helps :)
It’s the one that is marked as (3,3)
Answer:
5 yards
Step-by-step explanation:
The measurements of the 180 should be Inches
Length of string Jasper needs = 180 inches
how many yards did he buy?
1 yard = 36 inches
Number of yards he needs = Length of string Jasper needs / inches per yard
= 180 inches / 36 inches
= 5 yards
Number of yards he needs = 5 yards
Imagine for a group of 15 (8 boys and 7 girls), you will have 8 girls. So the ratio of girls to total campers is 8/15
Because we have 195 campers, we have 8/15 = x/195
solve for x
x= 104 girls
and we have 195 - 104 = 90 boys