HELP PLEASE!!!!!!!!?!??

Mathematics

2 answers:

lianna [129]2 years ago

6 0

Answer:

Step-by-step explanation:

I think this is correct

Setler79 [48]2 years ago

3 0

Answer:

B and C

Step-by-step explanation:

-√16 is both an Integer and a Rational number.

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If QRST below is a rectangle, find x if angle S is equal to 7x + 55.

bazaltina [42]

Because QRST is a rectangle, that means all of the angles must be a right angle, which are 90 degrees. Using this information, solve the expression by creating an equation that lets angle S = 90.

90 = 7x + 55
35 = 7x
x = 5

3 0

2 years ago

PLEASE HELP ASAP WILL GIVE BRAINLIEST!

Alex777 [14]

Answer:

1.01

Step-by-step explanation:

Mean with outliner = (39.55 + 40.51 + 41.01 + 37.76+ 35.32 + 33.28 + 34.38 + 36.48 + 39.87 + 50.32 + 40.59 + 41.71)/12 = 39.23 seconds.

In this case, the outlier comes to be the data: 50.32. If we don't consider that data point, the mean equals:

Mean wihout outliner = (39.55 + 40.51 + 41.01 + 37.76+ 35.32 + 33.28 + 34.38 + 36.48 + 39.87 + 40.59 + 41.71)/11 = 38.22

The difference is: 39.23 - 38.22 = 1.01

7 0

2 years ago

Oceanside bike rental shop charges 14 dollars plus 6 dollars an hour for renting a bike. Melanie paid 62 dollars to rent a bike.

lyudmila [28]

The hours Melanie did she pay to have the bike checked she paid $30.00

5 0

2 years ago

5/√2+9/√8-2√50+√32 rationalise the denominator and simplify<br><br>

Alik [6]

Answer: $\displaystyle\ \Large \boldsymbol{ -\frac{5\cdot \sqrt{2} }{4}}$

Step-by-step explanation: $\displaystyle\ \Large \boldsymbol{} \frac{5}{\!\!\sqrt{2} } +\frac{9}{\!\!\sqrt{8} } -2\sqrt{50} +\sqrt{32} =\frac{1}{\!\!\sqrt{2} } \bigg(5+\frac{9}{\sqrt{4} } \bigg)+\sqrt{2} (\sqrt{16} -2\sqrt{25} ) \\\\\\\\\frac{1}{\sqrt{2} } (5+4,5)+\sqrt{2} (4-10)=\frac{9,5}{\sqrt{2} } -6\sqrt{2} =\frac{9,5-12}{\sqrt{2} } = \\\\\\-\frac{5\cdot \sqrt{2} }{4}$