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Sedbober [7]
3 years ago
6

6r+8-17 -11r simplifies to what​

Mathematics
1 answer:
ankoles [38]3 years ago
8 0

Answer:

-5r-9

Step-by-step explanation:

You combine like terms. 6r - 11r is -5. 8-17 is -9. Simplified, it is -5r-9, or -9-5r.

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√(11 - 6 √(2))<br> (not decimal form)
bogdanovich [222]

Answer:

\huge\boxed{\sqrt{11-6\sqrt2}=3-\sqrt2}

Step-by-step explanation:

\sqrt{11-6\sqrt2}=(*)\\\\11=9+2=3^2+(\sqrt2)^2\\6\sqrt2=(2)(3)(\sqrt2)\\\\(*)=\sqrt{3^2-(2)(3)(\sqrt2)+(\sqrt2)^2}\\\\\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\=\sqrt{(3-\sqrt2)^2}\\\\\text{use}\ \sqrt{a^2}=|a|\\\\=|3-\sqrt2|=3-\sqrt2\\\\^{\text{because}\ 3>\sqrt2\to3-\sqrt2>0}

6 0
3 years ago
Heath took $40 to the mall. So far, he has purchased a baseball cap for $16.75. Write and solve an inequality to determine how m
yan [13]
40 - 16.75 = how much he has
7 0
4 years ago
Read 2 more answers
A large spool holds 78.5 meters of steel cable.
dsp73
The answer is 7850 centimeters since 1m=100 cm. 78.5*100=7850
7 0
3 years ago
Clyde rents a tuxedo for several days. Let d represent the number of additional days Clyde uses the tuxedo. Write an algebraic e
yaroslaw [1]

Answer:

Total cost = f + ad

Step-by-step explanation:

Given:

Number of days = d

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Computation:

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Total cost = f + ad

3 0
3 years ago
What is the system of equations 6x-6y=42 7x+6y=-78
Makovka662 [10]
X= -11.14
y= -18.14

Plug in and check for yourself but these answers worked for me.



6 0
4 years ago
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