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andriy [413]
3 years ago
12

Please help me with these problems.

Mathematics
1 answer:
rosijanka [135]3 years ago
7 0

Answer:

17. angle DAB=118º

18. angle DAB=126º

Step-by-step explanation:

The angle A should be 180º-85º-33º(cause the total angle in a triangle is 180º)

So you will get 62º as the angle of A.

And what the question ask is angle of DAB,so again 180º-62º=118º(A straight line is 180º)

Same goes to question 18,use 180º to minus the two angle given,you get 54º ,and then 180ºminus 54º again,the answer is 126º

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egoroff_w [7]
$108
270 × .40= 108
to find percentage, turn into a decimal and multiply
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I need to rent a car for my forthcoming trip. Rent-N-Go charges $21 per day plus 15 cents per mile. Super Rentals Plus charges $
Nastasia [14]

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3 years ago
F as a function of x is equal to the square root of quantity 6 x plus 9 , f as a function of x is equal to the square root of qu
Elis [28]

Answer:

A. \sqrt{6x+9} +\sqrt{6x-9}

Step-by-step explanation:

We are given the functions f(x) and g(x) as,

f(x)=\sqrt{6x+9}

g(x)=\sqrt{6x-9}

It is required to find the function ( f+g ) i.e. ( f+g ) (x)

So, (f+g)(x)=f(x)+g(x)

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Hence, we get that (f+g)(x)=\sqrt{6x+9}+\sqrt{6x-9}.

So, the first option is correct.

4 0
3 years ago
write a number that is greater than 1 in scientific notation . Explain how you know it is greater than 1 .
Gemiola [76]

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Step-by-step explanation:

6 0
2 years ago
Solve for U <br><br> 11=8+u/7.68
BlackZzzverrR [31]

\begin{gathered}\\ \sf\longmapsto 11=\frac{8+u}{7.68}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 11 =  \frac{8 + u}{ \frac{192}{25} } \end{gathered}

\begin{gathered}\\ \sf\longmapsto 11=\frac{(8+u)×25}{192}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 11=\frac{200+25u}{192}\end{gathered}

\begin{gathered}\\ \sf\longmapsto 2112=200+25u\end{gathered}

\begin{gathered}\\ \sf\longmapsto 2112-25u=200\end{gathered}

\begin{gathered}\\ \sf\longmapsto -25u=200-2112\end{gathered}

\begin{gathered}\\ \sf\longmapsto -25u=-1912\end{gathered}

\begin{gathered}\\ \sf\longmapsto u=\frac{1912}{25}\end{gathered}

<u>Alternate form:</u>

<u>u</u><u>=</u><u>76.48</u>

7 0
2 years ago
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