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juin [17]
3 years ago
14

What is the five number summary of the following data set? Write the numbers separated by commas. 45, 8, 51, 47, 31, 45, 12, 55,

48
Mathematics
1 answer:
Advocard [28]3 years ago
8 0
First order the numbers from least to greatest.
8,12,31, 45, 45,47, 48, 51,55
Min: 8
Q1: 21.5
Q2: 45
Q3: 49.5
Max: 55

To find Q1 find the average of the lower half. (12 + 31)/2
43/2 = 21.5
To find Q3 find the average of the upper half.
(48+51)/2= 49.5
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Use substitution to answer the system <br> 2x-3y=17<br> x=2y+10<br><br> x=<br><br> y=
bearhunter [10]
First, you substitute each x in the first equation-  2(2y+10)-3y=17
Next, simplify -    4y+20-3y=17
y+20=17
y=-3

Next, substitute the y in for the second equation, x=2y+10
x=2(-3)+10
x=-6+10
x=4
ANswer:
x=4
y=-3
Hope this helps!
7 0
3 years ago
you use 4 gallons of water on 30 plants in your garden. At the rate,how much water will it take to water 45 plants​
astra-53 [7]

Answer:4 gallons of water ... 30 plants

x gallons of water = ? ... 45 plants

If you would like to know how much water will it take to water 45 plants, you can calculate this using the following steps:

4 * 45 = x * 30

180 = 30 * x    /30

x = 180 / 30

x = 6 gallons of water

Result: You will use 6 gallons of water to water 45 plants.

Step-by-step explanation:

7 0
4 years ago
A car travels 391 miles in 5 hours and 45 minutes. How many miles does it travel per hour
Semenov [28]

Answer:

68

Step-by-step explanation:

speed = distance/time

distance = 391 miles

time = 5 h + 45 m = 5.75 h

speed = (391 miles)/(5.75 h)

speed = 68 miles/hour

Answer: In 1 hour, it travels 68 miles.

4 0
3 years ago
Read 2 more answers
Please answer this question right now
likoan [24]

Answer:x= 0.5,−3

Step-by-step explanation:

4 0
3 years ago
Answer number 1 please.​
Minchanka [31]

\sf {a}^{2}  =  {13}^{2}  -  {5}^{2}

Formula :

Base²= Hypotenuse² - Perpendicular ²

\\  \\

\hookrightarrow\sf {a}^{2}  =  {13}^{2}  -  {5}^{2}

\\  \\

\hookrightarrow\sf {a}^{2}  =169 - 25

\\  \\

\hookrightarrow\sf {a}^{2}  =144

\\  \\

\hookrightarrow\sf {a} = \sqrt{144}

\\  \\

\hookrightarrow\sf {a} = \sqrt{12 \times 12}

\\  \\

\hookrightarrow\sf {a} = 12

Remember the a² in formula has nothing to do with the a we have to find. :)

6 0
3 years ago
Read 2 more answers
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