Answer:
<h2> 5mile per hour</h2>
Step-by-step explanation:
Step one:
given data
distance= 1/4mile
time taken= 1/20 hour
Step two:
Required
speed
we know that speed is
speed= distance/time
substituting
speed= 1/4/1/20
speed=1/4*20/1
speeed=20/4
speed=5mile/hour
The option a sis correct, the speed is 5mile per hour
A=1/2b(h) this is the formula to find the area of a triangle
Answer:
<A = 56degrees
<B = 34degrees
<C = 56degrees
Step-by-step explanation:
From tyhe diagram, the sum of m<C and m<D is 180degrees. Hence;
<C + <D = 180
<C + 124 = 180
<C = 180 - 124
<C = 56degrees
Also;
<B + 90 + <C = 180
<B + 90 + 56 = 180
<B + 146 = 180
<B = 180 - 146
<B = 34degrees
Similarly;
<A + <B = 90
<A + 34 = 90
<A = 90 - 34
<A = 56degrees
Answer:
i think its no soulution
Step-by-step explanation:
the numbers all cancel out
Answer:
A(t) = 90e^0.12t ;
299 mg
Step-by-step explanation:
General Continous growth rate equation :
A = Pe^rt
A = amount present, t years after year of initial amount.
Here,
P = 90 mg, amount in year 2000
r = rate = 12% = 0.12
t = years after 2000
Therefore,
A is written as ;
A(t) = 90e^0.12t
Amount present in year 2010 ;
t = 2010 - 2000 = 10
A(10) = 90e^0.12(10)
A(10) = 90 * e^1.2
= 90 * 3.3201169
= 298.81052
= 299 mg
