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nikklg [1K]
3 years ago
9

Alex is on a boat going to an island twelve miles away for a picnic. The way there, with the current, it takes her 3 hours while

the way back, against the current, it takes her 4 hours. What is the speed of her boat and what is the speed of the current?
Mathematics
1 answer:
bija089 [108]3 years ago
8 0

Answer:

the boat is going at 3.5 mph and the current is going at .5 mph

Step-by-step explanation:

You might be interested in
Which is the most likely meaning of the word anachronous? (1 point)
ad-work [718]

Answer:

Not in the right time

Step-by-step explanation:

ana is the root of before and chronous=krounus, being the Greek word for time.

6 0
2 years ago
David's bowling score is 6 less than 2 times Aaron's score. The sum of their scores is 84. Find the score of each student. Use t
Y_Kistochka [10]

Answer:

Aaron's bowling score is 30

David's bowling score is 54

Step-by-step explanation:

The variable representing Aaron's score is = a

The variable representing David's bowling score = d

The sum of their scores is 84.

= a + d = 84...... Equation 1

David's bowling score is 6 less than 2 times Aaron's score.

d = 2a - 6

Substituting 2a - 6 for d in Equation 1

a + 2a - 6 = 84

3a - 6 = 84

3a = 84 + 6

3a = 90

a = 90/3

a = 30

Hence, Aaron's bowling score is 30

d = 2a - 6

d = 2(30) - 6

d = 60 - 6

d = 54

David's bowling score is 54

8 0
2 years ago
Pls help me!! Will mark brainlest!!
Elodia [21]

Answer:

System of Equations:

let x be the cost of a taco

let y be the cost of a burrito

7x + 3y = 22

3x + y = 8

The cost of a taco is $1

The cost of a burrito is $5

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

4 0
3 years ago
Read 2 more answers
4. If you have 15 pens which cost $0.79
katrin [286]

Answer:

The answer is 15.62

Step-by-step explanation:

To get the answer, you would first multiply 15*0.79 to get 11.85

Then you would multiply 13*0.29 to get 3.77

Lastly, add 11.85 and 3.77 to get your final answer of $15.62

3 0
2 years ago
The nose of the origami dog is a right angle with sides that are 2 cm, 3 cm, and 3.6 cm long. What is the area of this triangle?
Maslowich

Given:

The sides of a right triangle are 2 cm, 3 cm, and 3.6 cm.

To find:

The area of the right triangle.

Solution:

Area of a triangle is:

Area=\dfrac{1}{2}\times base\times height

In the given triangle 3.6 cm is the largest side, it means 3.6 cm is the length of the hypotenuse. So, 2 cm and 3 cm and the base and height of the triangle.

Now, the area of the given triangle is:

Area=\dfrac{1}{2}\times 2\times 3

Area=3

Therefore, the area of the given triangle is 3 square cm.

4 0
2 years ago
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