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NISA [10]
3 years ago
13

How do you do this? This will be helpful with steps so i can understand this!

Mathematics
1 answer:
beks73 [17]3 years ago
7 0
That looks very hard, keep trying with the steps so yeah
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Is terry swim three lapse in 2.5 minutes how long would it take her to swim 20 laps at the same rate
beks73 [17]
3 laps in 2.5 minutes

1 lap = 2.5/3  minute

20 laps =   (2.5/3)*20 = 16.67

20 laps ≈ 16.67 minutes 
5 0
3 years ago
Manny made $102.05 for 6.5 hours of work. How much did he make per hour?
Sphinxa [80]

Answer:

$15.70/hr

Step-by-step explanation:

The unit rate (amount earned per hour) is calculated as follows:

$102.05

------------- = $15.70/hr

6.5 hrs

5 0
3 years ago
Two sevenths of a number subtracted from two fifths of that same number is 8. find the number
Allisa [31]
2/7x - 2/5x = 8
multiply both sides by 35
= 10x - 14x = 280
combine 10x and 14x
= -4x = 280
divide both sides by -4
x= -70
7 0
3 years ago
Help please x+y=6 and x-y=4 solve for X
fredd [130]
X=5  y=1 this what i got when i worked it out on my paper. hope that helps.
6 0
3 years ago
Shorty’s Muffler advertises it can install a new muffler in 30 minutes or less. However, the work standards department at corpor
pav-90 [236]

Answer:

The installations at the Maumee branch would you expect to take more than 30 minutes is 10.

Step-by-step explanation:

Consider the provided information.

Let x is the installations at the Maumee branch take more than 30 minutes.

The work standards department at corporate headquarters recently conducted a study and found that 20% of the mufflers were not installed in 30 minutes or less.

Therefore, π=0.20

The Maumee branch installed 50 mufflers last month.

Thus, n=50

Mean of the distribution: μ=nπ

Substitute the respective values in the above formula.

μ=(50)(0.20)

μ=10

Hence, the installations at the Maumee branch would you expect to take more than 30 minutes is 10.

7 0
3 years ago
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