Answer:
its 6
Step-by-step explanation:
divided 12 with 2 and divided 30 with 5
Answer:
ok the answer is 20
Step-by-step explanation:
Answer:
The Domain interval notation is -2 < t < 98
Step-by-step explanation:
The given parameters are;
The time at which the plant began spouting = 2 days before Amy bought it
The number of days the plant was with Amy = 98 days
The maximum height reached by the plant = 30 centimetres
Given that the height of the plant is represented by the function h(t), where h is in centimetres and t is the number of days from the time she bought the plant
Therefore, we have;
At t = -2, h = 0
At t = 98, h = 30
The slope of the function is therefore;
m = (30 - 0)/(98 - (-2)) = 0.3 cm/day
The equation of the function is therefore;
h - 30 = 0.3 × (t - 98)
h = 0.3·t -29.4 + 30 = 0.3·t + 0.6
h(t) = 0.3·t + 0.6
At h(t) = 0, t = -2
At h(t) = 30, t = 98
The interval notation of the domain is therefore, -2 < t < 98.
Answer:
$10
Step-by-step explanation:
Investment 1- simple interest
Investment 2- compound interest
- Gain= 4000*(1.05²-1)= $410
The difference:
Answer: (4, -9)
<u>Step-by-step explanation:</u>
Use elimination method. Manipulate one (or both) equations to eliminate one of the variables and solve for the remaining variable. <em>I will be eliminating y</em>
6x + y = 15 → 2(6x + y = 15) → 12x + 2y = 30
-7x - 2y = -10 → 1(-7x + 2y = -10) → <u> -7x - 2y = -10</u>
5x = 20
x = 4
Next, replace "x" with "4" into either equation and solve for y.
6(4) + y = 15
24 + y = 15
y = -9
<u>Check:</u>
Plug in x = 4 and y = -9 into the other equation to verify it makes a true statement.
-7x - 2y = -10
-7(4) - 2(-9) = -10
-28 - -18 = -10
-28 + 18 = -10
-10 = -10