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Sveta_85 [38]
3 years ago
6

99 points AND BRAINLIEST answer to the person who can do this for me. I WILL REPORT ANY DUMB ANSWERS! PLEASE HELP ASAP!

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0
ΔADC ≅ ΔBCD (SAS congruency)

∠AED ≅ ∠BEC (opposite angles)

ΔAED ≅ ΔBEC (ASA congruency)

Therefore DE <span>≅ CE (corresponding sides of the two congruent triangles AED and BEC)</span>
katrin2010 [14]3 years ago
8 0

ΔADC ≅ ΔBCD (SAS theorem)

∠AED ≅ ∠BEC (opposite angles )

ΔAED ≅ ΔBEC (ASA congruency postulate)

Therefore DE ≅ CE (CPCTC: Corresponding Parts of a Congruent Triangle are congruent)

hope this helps

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Machine A and machine B both make car parts.
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Machine A makes 432 on Monday. Machine 2 makes 520 parts on monday. 432+520=952

Step-by-step explanation:

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The number of horses occupying stalls at the county fairgrounds can be modeled by the following function, where x represents the
Elenna [48]
Answer:  
_______________________________________________________
The rewritten equation is: 
 

       " - 3x² + 30 + 225 = 0 " ; 

which is ultimately simplified to:

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Explanation:
______________________________________________
Given:

    h(x) = - 3x</span>² <span>+ 30 + 225  ;  

Rewrite as:  "  </span>- 3x² + 30 + 225 = 0 " ; 
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Multiply EACH SIDE of the equation by "-1" ; to get rid of the "-3" ; 

  -1 * {- 3x² + 30 + 225 = 0} ; 

to get:  " 3x² − 30 <span>− 225 = 0" ; 

Divide EACH SIDE of the equation by "3" ; to simplify; since:

"3", "30", and "225" are divisible by "3" ; 

{</span>3x² − 30 − 225} / 3 = 0 / 3 ; 

 to get: 
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 " x² − 10 − 75  = 0 " ; 
 
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 Let us factor:

-15 + 5 = -10 ; 

-15 * 5 = -75 ; 
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Rewrite as:

(x − 15) (x + 5) =  0 ;

x = 15;  and x = -5 ; 
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The number of days cannot be "negative value";  so we stick with:

"x = 15 days" 
___________________________________________________
Answer:  The rewritten equation is:  

       " - 3x² + 30 + 225 = 0 " ; 

which is ultimately simplified to:

        " x² − 10 − 75  = 0 " .
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The number of days is:  "15 days" . 
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6 0
4 years ago
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Step-by-step explanation:


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3 coins Priya spends $45 on gas, $10 on dinner, and $8 on a video game. How much money did Priya spend on variable expenses?​
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