Answer:
The value of your expression is 7/12x +1.
Step-by-step explanation:
1/4x + 3 - 1/3x + -2 First, positive and negative is negative
= 1/4x + 3 - 1/3x -2 Combine like terms, 1/4x and 1/3x
= 7/12x + 3 - 2 Combine like terms, +3 and -2
= 7/12x +1
Like terms are when a number have similar exponents bases, variables or just plain numbers.
3x, 4x, 5x
1.02x^2, 1.02x^3
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Answer:
b. {-9, 3}.
Step-by-step explanation:
x^2 + 6x - 27 = 0
We need 2 numbers whose product is -27 and whose sum is + 6.
These are + 9 and - 3. So the factors are:
(x - 3)(x + 9) = 0
(x - 3) = 0 or (x + 9) = 0
x = 3 or -9.
Answer:
d. 194481
Step-by-step explanation:
We solve this question using exponential growth rate formula
This is given as:
y = a(1 + r) ^t
Where y = Amount after time t
a = Initial amount = 160000
r = growth or increase rate = 5% = 0.05
t = time in years = 4
y = 160000(1 + 0.05)⁴
y = 160000(1.05)⁴
y = 194481
Therefore, the number of cows needed after 4 years to fulfill the requirement of the milk is 194481
Answer: 5 feet of wood for 2.23
because the unit rate for each foot of wood is .45 compared to getting 6 feet for 2.95. 2.23 plus .43 (the cost for one foot) would be 2.63 making the wood much cheaper than the 6 foot option.
Answer:
Step-by-step explanation:
(x₁ ,y₁) = (0 , 5) & (x₂, y₂) = (-4 , 6)
