Answer:
1. 24 km/hour
2. 48 km
Step-by-step explanation:
1 mile = 1.6 km
cyclist = 15 miles/ hour
we want to multiply speed by something that will cancel miles out and leave km. to do this, we want to multiply it by something with miles on the bottom and km on the top.
this is because
miles * km / miles = km as the miles cancel out and km is left in the numerator
thus,
1 mile = 1.6 km
divide both sides by 1.6 km to get 1 on a side
1 mile / 1.6 km = 1
alternatively, divide both sides by 1 mile to get 1 on a side
1.6 km / 1 mile = 1
since we want miles on the bottom, we choose the second option
cyclist = 15 miles / hour = 15 miles/hour * 1 = 15 miles/hour * 1.6km / 1 mile = 24 km /hour
24 km/hr for 2 hours = 24 km/hr * 2 hours = 24 * 2 km = 48 km
Answer:
No there are not any outliers
Answer:
The original price was $875.
Step-by-step explanation:
a = p * w
630 = 72% * w
630 / 0.72 = $875
$875 should be the original price, I hope this helps!
I just worked it out and I got 6 3/28
Im sorry if that's wrong
The solution fo image problem
Volume= height x width x depth
Volume (cube)=side³
a)
Vt=total volume
V₁(1 foot)=(1 foot)³=1 foot³
V₂( x feet)=( x feet)³=x³ feet³
Vt(x)=V₁+V₂=(1+x³) feet³
Solution: Vt(x)=(1+x³)
Vt= total volume of two cubes
b)x³+1=(x+1)(x²-x+1)
1 0 0 1
-1 -1 1 -1
------- ----------------------------
1 -1 1 0
c)
if x=3 feet.
V(3)=1+3³=1+27=28 feet³
Solution: if x=3 feet ⇒V=28 feet³
The solution of your comments
A)
V(a,b)=(2a)³+(3b)³=8a³+27b³
V(a,b)=8a³+27b³
B)
(x³+y³)=(x+y)(x²-xy+y²)
V(a,b)=8a³+27b³=(2a+3b)(4a²-6ab+9b²)
V(a,b)=(2a+3b)(4a²-6ab+9b²)
C)
a=2 foot
b=4 foot
V(2,4)=2³+4³=8+64=72 feet³