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faust18 [17]
3 years ago
11

Tyler painted a wall with a length of 28 feet and a width of 12 feet in 5 1/4 hours.

Mathematics
2 answers:
Umnica [9.8K]3 years ago
5 0

Total area of the wall = 28 * 12 = 336 ft²

time = 5 1/4 = 21/4 hours

speed = 336 / 21/4 = 64 ft²/hour

Mamont248 [21]3 years ago
3 0
First you multiply the length times the width or 28 by 12 to get 336
divide 336 by 5.5 to get your answer
61.09 square feet per hour

actually ignore me, above guy is right
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Step-by-step explanation:

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Please help me. Factor. 5x^+23x+26
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Skip Ad <span> <span> <span> <span> </span> <span>
</span></span></span></span> <span><span> 5x2-23x=-26</span> </span>Two solutions were found :<span><span>  x = 2 </span><span>  x = 13/5 = 2.600
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Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                     5*x^2-23*x-(-26)=0 

Step by step solution :Skip Ad
<span> Step  1  :</span><span>Equation at the end of step  1  :</span><span> (5x2 - 23x) - -26 = 0 </span><span> Step  2  :</span>Trying to factor by splitting the middle term

<span> 2.1 </span>    Factoring <span> 5x2-23x+26</span> 

The first term is, <span> <span>5x2</span> </span> its coefficient is <span> 5 </span>.
The middle term is, <span> -23x </span> its coefficient is <span> -23 </span>.
The last term, "the constant", is <span> +26 </span>

Step-1 : Multiply the coefficient of the first term by the constant <span>  5 • 26 = 130</span> 

Step-2 : Find two factors of  130  whose sum equals the coefficient of the middle term, which is  <span> -23 </span>.

<span><span>       -130    +    -1    =    -131 <span>
</span> </span> <span>       -65    +    -2    =    -67 <span>
</span> </span> <span>       -26    +    -5    =    -31 <span>
</span> </span> <span>       -13    +    -10    =    -23    That's it</span></span>
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