Distribute the negative throughout the set of parenthesis
5h-4-h+5
Ok, so your like terms are...
5h and -h
-4 and +5
If you rearrange the terms so that the like terms are next to each other, it is easier to combine them:
5h-h-4+5
5h-h=4h
-4+5=1
So, the problem is:
4h+1
Hope that helps :)
Answer: you have to deposit $15625 today
Step-by-step explanation:
Assuming the interest is compounded annually. We would apply the formula for determining compound interest which is expressed as
A = P(1+r/n)^nt
Where
A = total amount in the account at the end of t years
r represents the interest rate.
n represents the periodic interval at which it was compounded.
P represents the principal or initial amount deposited
From the information given,
A = $20000
r = 4.2% = 4.2/100 = 0.042
n = 1 because it was compounded once in a year.
t = 6 years
Therefore,.
20000 = P(1 + 0.042/1)^1 × 6
20000 = P(1.042)^6
20000 = 1.28P
P = 20000/1.28
P = $15625
- x - y - z = - 8 ------- (1)
- 4x + 4y + 5z = 7 -------- (2)
2x + 2z = 4 --------- (3)
From (3): x + z = 2
x = 2 - z --------- (4)
Substitute (4) into (1),
- x - y - z = - 8
- (2-z) - y - z = - 8
- 2 + z - y - z = -8
- 2 - y = - 8
2 + y = 8
Therefore, y = 6
Substitute y = 6 and (4) into (2),
- 4x + 4y + 5z = 7
- 4(2 - z) + 4(6) + 5z = 7
- 8 + 4z + 24 + 5z = 7
9z + 16 = 7
9z = - 9
Therefore, z = - 9
Substitute z = - 9 into (4),
x = 2 - z
x = 2 - (-9)
x = 2 + 9
Therefore x = 11
Solution:
x = 11
y = 6
z = -9
5 x 5 x 5 = 125
since the perimeter is 20, and there are four sides, each side would be 5 since it is a square. then you do l x w x h and get 125
Step-by-step explanation:
do you mean less than or equal to
x/3<= -6 x 3
x<= -18
