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Vlada [557]
3 years ago
8

(PLZ HURRY) In 7 hr, Kerrie can travel 6 mi upriver and come back. The rate of the current is 3 mph. Find the rate of her boat i

n still water.
Mathematics
1 answer:
Sidana [21]3 years ago
4 0

I did this question wrong so I had to edit it.... sorry :s.

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What is the length of the hypotenuse? If necessary, round to the nearest tenth.
Shalnov [3]

Answer:

13

Step-by-step explanation:

formula: a^2 + b^2 = c^2

5^2 + 12^2 = c^2

25 + 144 = c^2

169 = c^2

13 x 13 = 169

13

3 0
2 years ago
Read 2 more answers
Find the slope of the line that passes through (10, 8) and (9, 13)
7nadin3 [17]
Slope is 5!

Equation:
13-8/9-10=5/1

y2-y1=x2-x1
3 0
3 years ago
I need help finding the answer to this
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

Remark

If the figures are similar then this is a proportion question. A proportion is 2 equation ratios. The ratios can have at most 1 unknown.

Givens

DC = 7

ML = 4.9

AB = 4

JK = x

Equation

DC/ML = AB/x                  Substitute values into equation and solve

Solution

7/4.9 = 4/x                        Cross Multiply

7x = 4 * 4.9                       Combine the right.

7x = 19.6                           Divide by 7

7x/7 = 19.6/7

x = 2.8

Answer

x = <u>2.8</u>

8 0
3 years ago
Below is the five Number summary for a 136 hikers who recently completed the John muir trail JMT the variable is the amount of t
Helga [31]

Answer:

IQR = Q_3 -Q_1 = 28-18 = 10

Now we can find the limits in order to determine outliers like this:

Left = Q_1 -1.5 IQR = 18 -1.5*10=3

Right = Q_1 +1.5 IQR = 18 +1.5*10=33

So for this case the left boundary would be 3, if a value is lower than 3 we consider this observation as an outlier

b. 3

Step-by-step explanation:

For this case we have the following summary:

Minimum = 9 represent the minimum value

Q_1 = 18 represent the first quartile

Median =Q_2= 21 represent the median

Q_3 = 28 represent the third quartil

Maximum=56 represent the maximum

If we use the 1.5 IQR we need to find first the interquartile range defined as:

IQR = Q_3 -Q_1 = 28-18 = 10

Now we can find the limits in order to determine outliers like this:

Left = Q_1 -1.5 IQR = 18 -1.5*10=3

Right = Q_1 +1.5 IQR = 18 +1.5*10=33

So for this case the left boundary would be 3, if a value is lower than 3 we consider this observation as an outlier

b. 3

7 0
3 years ago
Solve the system of equations by graphing. x+y=3y=2x−15
Ilya [14]
\left[x \right] = \left[ 2\,y\right][x]=[2y] graphic do ur sheets
4 0
3 years ago
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