Answer:
Determine the range of the following graph:
12
11
O
10
9
8
7
6
5
NA
Step-by-step explanation:
(f+g)(x)
f(x)= x-3, g(x)= 2x+8
Answer:
Bus speed: 22 mph; Trolley speed: 14 mph
Step-by-step explanation:
Let rb represent the speed of the bus and rt the speed of the trolley. Then rb = rt + 8 (mph).
Recall that distance = rate times time. Two different distances and two different speeds are involved here, but only one time.
Thus,
60 mi 44 mi
--------------------- = time (same in both cases) = -------------
rt + 8 mi/hr rt
Cross-multiplying, we get 44rt + 8(44) = 60 rt, or
352 = 16rt.
Solving this for rt, we get rt = speed of bus = 352/16 = 22 mph
The speed at which the bus travels is 22 mph and that at which the trolley travels is (22 mph - 8 mph) = 14 mph
Answer:
Donny's bagels is the better deal.
Step-by-step explanation:
Bob's bagels are 10 for $11
Unit price for Bob's bagels = $11 / 10 bagels = $1.10 per bagel
Donny's bagels are 4 for $3
Unit price for Donny's bagels = $3 / 4 bagels = $0.75 per bagel
because Donny's unit price is less than that of Bob's (i.e each of Donny's bagels cost less than each of Bob's bagels), thus Donny has the better deal
Answer:
Harrison cab but with 7.4$ the total of 29.6 pieces of gum.
Step-by-step explanation:
Hello
This aritmethic is the three rule:
20 gum --> 5 $
then
X gum ----> 7.4 $
then
X = [(7.4)*(20)]/5
X = 29.6 gum
Best regards
