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iren [92.7K]
3 years ago
7

If five notebooks cost $5.25 how much would 3 cost?

Mathematics
2 answers:
34kurt3 years ago
6 0
3.15. Just find the unit rate which is 1.5 and multiply that by 3
slamgirl [31]3 years ago
3 0
Each Notebook is 1.05 so add that three times and you get 3.15!
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A bus travels with a constant speed of 48 miles per hour. How long will it take to travel 60 miles?
andre [41]

Answer:

A bus travels with a constant speed of 48 miles per hour. How long will it take to travel 60 miles?

Step-by-step explanation:

Mostly it's 1.25 hours </3 Since distance = rate times , or d = rt, then we have

t = d/r = 60 miles / 48 mph = 1.25 hours = 1 hour 15 minutes

either 1 hour 15 mins or 1hour and 25 mins.

4 0
3 years ago
If a 9-foot tall adult elephant casts an 18-foot shadow, how long is the shadow of the 6-foot zookeeper? use a proportion to set
fomenos
9 6
— x —
18 y


y is equal to 12. I’m not positive about how the work is shown though.
5 0
3 years ago
Assume the given distributions are normal. Cucumbers grown on a certain farm have weights with a standard deviation of 2 ounces.
forsale [732]

Answer:

13.92

Step-by-step explanation:

We have that the critical z-score associated with 85% to the left is 1.04, we know that by table.

So we have to:

m + z * (sd) = 16

where m is the mean, z is the critical z-scor and sd is the standard deviation, if we replace we are left with:

m + 1.04 * (2) = 16

m = 16 - 1.04 * (2)

m = 13.92

Therefore, the average weight if 85% of cucumbers weigh less than 16 ounces is 13.92

4 0
3 years ago
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
klasskru [66]
The P(!2)=1-P(2)=1-1/6=5/6
3 0
3 years ago
Read 2 more answers
Y = x³ + (x+2)³ + (x+4)³ over 24, y = 3x + 6
bija089 [108]
We have that
<span>Y = [x³ + (x+2)³ + (x+4)³]/24
 y = 3x + 6

f(x)=</span>[x³ + (x+2)³ + (x+4)³]/24
g(x)=3x + 6

using a graph tool
see the attached figure

the solution of the system are
x1=-6
x2=-2
x3=2

the solution are the points
(-6,-12)
(-2,0)
(2,12)

4 0
4 years ago
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