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disa [49]
3 years ago
8

A motorboat travels 120 miles in 4 hours going upstream. It travels 192 miles going downstream in the same amount of time. What

is the rate of the boat in still water and what is the rate of the current?
Mathematics
1 answer:
NemiM [27]3 years ago
4 0

Answer:316

Step-by-step explanation:

I just solved it by adding it

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In this activity, you'll calculate a probability and use it to predict the result of repeating a simple chance-based trial many
kompoz [17]
1) The outcomes for rolling two dice, the sample space, is as follows:
(1, 1), (1, 2), (1, 3), (1, 4), (1, 5), (1, 6)
(2, 1), (2, 2), (2, 3), (2, 4), (2, 5), (2, 6)
(3, 1), (3, 2), (3, 3), (3, 4), (3, 5), (3, 6)
(4, 1), (4, 2), (4, 3), (4, 4), (4, 5), (4, 6)
(5, 1), (5, 2), (5, 3), (5, 4), (5, 5), (5, 6)
(6, 1), (6, 2), (6, 3), (6, 4), (6, 5), (6, 6)
There are 36 outcomes in the sample space.
2)  The ways to roll an odd sum when rolling two dice are:
(1, 2), (1, 4), (1, 6), (2, 1), (2, 3), (2, 5), (3, 2), (3, 4), (3, 6), (4, 1), (4, 3), (4, 5), (5, 2), (5, 4), (5, 6), (6, 1), (6, 3), (6, 5).  There are 18 outcomes in this event.
3)  The probability of rolling an odd sum is 18/36 = 1/2 = 0.5
3 0
3 years ago
Read 2 more answers
A paperweight is shaped like a triangular pyramid. The base is an equilateral triangle. Find the surface area of the paperweight
melomori [17]

Answer:

<h2>8.3 in²</h2>

Step-by-step explanation:

We have

three triangles with the base <em>b = 2 in.</em> and the height <em>h₁ = 2.2 in.</em>

one triangle with the base <em>b = 2 in. </em>and the height <em>h₂ = 1.7 in.</em>

The formula of an area of a triangle:

A=\dfrac{b\cdot h}{2}

<em>b</em><em> - base</em>

<em>h</em><em> - height</em>

Substitute:

A_1=\dfrac{(2)(2.2)}{2}=\dfrac{4.4}{2}=2.2\ in^2

A_2=\dfrac{(2)(1.7)}{2}=1.7\ in^2

S.A.=3A_1+A_2

S.A.=3(2.2)+1.7=6.6+1.7=8.3\ in^2

5 0
3 years ago
The area of a rectangular field is 8342 yd2 . if the width of the field is 86 yards, what is its length?
Irina18 [472]
97yards...............................................................................................................................................................................................................................................................................................................
3 0
3 years ago
Which decimal is equivalent to 56?
Akimi4 [234]

Answer:

0.56

Step-by-step explanation:

7 0
3 years ago
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(LOTS OF POINTS)<br> SOLVE THIS IMAGINARY NUMBER PROBLEM AND *SHOW WORK* PLEASE!
Helga [31]

Answer:

The answer is 8.

Step-by-step explanation:

6 0
3 years ago
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