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notsponge [240]
3 years ago
10

a boat travels 45 miles upstream (against the current) in 5 hours. the boat travels the same distance downstream in 3 hours. wha

t is the rate of the current?
Mathematics
1 answer:
ser-zykov [4K]3 years ago
6 0
Im not sure, thats a good question?
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On a piece of paper, graph y < 3/4 x+2 Then determine which answer matches the graph drew.
OleMash [197]

Step-by-step explanation:

Given inequality is y.

To graph that inequality, first we need to graph the line y=\frac{3}{4}x+2. Then shade it for the inequality symbol <.

Graphing line can be done using two points.

plug x=0 into y=\frac{3}{4}x+2, we get:

y=\frac{3}{4}*0+2=2

Hence first point is (0,2)

Similarly plug any random number for x say x=4, we get:

y=\frac{3}{4}*4+2=5

Hence first point is (4,5).

Now we just need to graph both points and join them by a dotted line. because we have < not <=.

Next part is to test for shading.

Which can be done using any test point which is not on the given line. Say (0,0)

plug x=0,y=0 into y.

0

0

0<2

which is true, hence shading will be in direction of test point (0,0).

Hence final answer will be the choice which looks like the graph attached below;


3 0
3 years ago
9. Using a twenty sided number cube, what is the probability that you will roll an even number or
IceJOKER [234]

Answer:

0.85

Step-by-step explanation:

total samples cases = 20

chances that are even or odd prime are 17 chances

2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 19, 20

probability = 17/20

= 0.85

3 0
2 years ago
What cross section shape is formed when the figure is cut as shown?
kirza4 [7]

Answer:

Triangle

Step-by-step explanation:

7 0
3 years ago
250 tickets are sold at a church fundraiser. if sara buys 15 tickets the probability the probability that she will win the prize
laila [671]
<span>the probability the probability that she will win the prize quilt:
= 15/250 
= 0.06
= 6%

</span>
3 0
3 years ago
The students in Steven's class got to choose between pizza and burgers for the
Rainbow [258]
Answer:
95% picked pizza
Step-by-step explanation:
We can get this answer by following a few different steps. Firstly, we need the total amount of students. We get this number by adding the amount of students who wanted pizza (19 students) and the amount of students who wanted burgers (1 student). When we add those we get the total number of students, which is 20. Now, we can set up a fraction to see what amount of students out of the total number of students wanted pizza.
This would be 19/20
Now, you plug this in your calculator and will get 0.95
To turn this, or any other decimal, into a percentage you multiply by 100%.
So, multiply 0.95 x 100% = 95%

Hope this helps :)
4 0
2 years ago
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