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Deffense [45]
3 years ago
6

Going against the current, a boat takes 6 hours to make a 120-mile trip. When the boat travels with the current on the return tr

ip, it takes 5 hours.
What is the rate of the boat in still water?

2 mph
20 mph
22 mph
Mathematics
2 answers:
dalvyx [7]3 years ago
4 0
I think Its 20mp cause 120 divided by 6
Artyom0805 [142]3 years ago
3 0

Answer:

The correct answer is 22 mph

Step-by-step explanation:

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What is the value of the expression “three less than the quotient of ten and a number, increased by six” when n = 2?
alisha [4.7K]

Answer:

8

Step-by-step explanation:

The given expression is "three less than the quotient of ten and a number, increased by six”

The quotient of ten and a number increased by six is translated into mathematical expression as:

\frac{10}{n}+6

Three less than the quotient of ten and a number, increased by six is

(\frac{10}{n}+6)-3

When we substitute n=2, we get:

(\frac{10}{2}+6)-3

Divide to get:

(5+6)-3

Add to get:

11-3

Subtract

8

4 0
3 years ago
Two groups went bowling. Here are the scores from each group.
vladimir2022 [97]

Answer:

Group A has greater variability

Step-by-step explanation:

Group A: 80, 100, 190, 110, 70, 90, 130

The variability of group A data :

Taking the range :

Maximum  = 190 ; Minimum = 70

Range = Maximum - Minimum ; 190 - 70 = 120

Group B : 50, 110, 100, 120, 107, 140, 150

The variability of group B data :

Taking the range :

Maximum  = 150 ; Minimum = 50

Range = Maximum - Minimum ; 150 - 50 = 100

Hence, Group A has greater variability

6 0
2 years ago
Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.
Klio2033 [76]
The firs term
A(1)=-6+(1-1)(6)
A(1)=-6+(0)(6)
A(1)=-6



The fourh term
A(n)=-6+(n-1)(6)
A(4)=-6+(4-1)(6)
A(4)=-6+(3)(6)
A(4)=-6+18
A(4)=12


The tenth term
A(10)=-6+(10-1)(6)
A(10)=-6+(9)(6)
A(10)=-6+54
A(10)=48

Answer: 
D.  -6,12,48
6 0
3 years ago
Jordan will hike a 10 mile trail at a rate of 2 mi/h. Write a linear equation to represent the distance of the trail that Jordan
Lesechka [4]

Answer:

  y = 10 -2x; 10 is the length of the trail

Step-by-step explanation:

Jordan's remaining distance starts at 10 miles, and decreases 2 miles each hour:

  y = -2x +10

The y-intercept is the length of the trail.

7 0
3 years ago
On a cold January morning the radiator fluid in kurls car is-15 degrees Fahrenheit with the engine running the temperature rises
In-s [12.5K]

Answer:

22 minutes

Step-by-step explanation:

40--15  =40+15=55

55/2.5=22

4 0
3 years ago
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