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MaRussiya [10]
2 years ago
13

Work out length of side bgive your answer to 1 decimal placeplzzzz hhheellpp​

Mathematics
2 answers:
Kryger [21]2 years ago
4 0
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ Use Pythagoras' theorem:

b^2 = c^2 - a^2

Substitute in the values:

b^2 = 17^2 - 12^2

b^2 = 289 - 144

b^2 = 145

Square root it:

b = 12.04159458

The answer is 12.0

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

Vedmedyk [2.9K]2 years ago
3 0

√b = 17.17 - 12.12

√b= 289 - 144

√b= 145

b= √145

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Yanka [14]
Lisa is an avid runner and is training for a marathon, so she runs everyday to achieve this purpose. In this way, she goes out to run for six days, so we have the following data set regarding the miles she runs:

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2nd day = 7.5    miles
3rd day  = 9.8    miles
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This result can be get as the sum of each run (or the </span>total of miles she run<span>) divided by the numbers of days she ran.

</span>A=\frac{38.4}{6}=6.4mi

<span>Lisa's goal for this week is to run an average of 6 miles per day. How many miles does she need to run tomorrow (the 7th day) in order to achieve her goal of 6 miles per day for the week?

Let's name x the distance she must run tomorrow. Therefore, the equation for this purpose is given as follows:

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4 0
3 years ago
Lydia graphed ΔDEF at the coordinates D (−2, −1), E (−2, 2), and F (0, 0). She thinks ΔDEF is a right triangle. Is Lydia's asser
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Answer:

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slope\ of\ |OX|=\frac{h-f}{g-e}

The slopes of segment EF and segment DF are given below:

slope\ of\ |EF|=\frac{0-2}{0-(-2)}=-1\\\\slope\ of\ |DF|=\frac{0-(-2)}{0-(-1)}=2\\

For triangle DEF to be a right triangle, DF and EF are supposed to be perpendicular to each other. Two line are said to be perpendicular if the product of their slope is -1, i.e the slope of one line is the negative reciprocal (opposite reciprocal) of the other line.

Since the slope of DF and EF are not opposite reciprocals,  ΔDEF is not a right triangle.

3 0
3 years ago
During the World Series the host city wide hotel occupancy rose 21% over the prior busiest night. If the busiest night had been
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5 0
3 years ago
Read 2 more answers
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