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ludmilkaskok [199]
4 years ago
11

A triangular pyramid is defined by the points .The pyramid is then reflected over the xz-plane. The reflected image is then tran

slated 3 units back, 2 units left, and 4 units up.
(a) Write the general rule you use for the reflection.
(b) Show the results of your calculations for the reflection.
(c) Write the general rule you use for the translation. (Hint: Begin with the result of the rule for the reflection.)
(d) Show the results of your calculations for the translation
Mathematics
1 answer:
Liula [17]4 years ago
3 0
THE ANSWER IS B Show the results of your calculations for the reflection.

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Answer:

0.59049

Step-by-step explanation:

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4 years ago
Let x represent the measure of angle ACD, and let y represent the measure of angle BCF.
Liono4ka [1.6K]
We know that
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∠ACB+90+34=180-----> ∠ACB=180-(90+34)----> ∠ACB=56°
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so
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the answer Part 1) is x=124°

Part 2)
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5 0
3 years ago
17cm per minute = meters per hour
Arlecino [84]
Answer:  10.2 meters per hour; or, write as: 10 ⅕ meters per hour.
___________________________________________
Explanation:
_____________________________________
Note: "h" = time in "hour(s)" ; 
         "cm" = length in "centimeter(s)" ;
         "min" = time in "minute(s)";
            "m" = length in "meter(s)"
_____________________________________
Note these EXACT conversions:
_________________________________
100 cm = 1 m ; 
   60 min = 1 h ;
_________________________________
To solve: 

Given: 17 cm / min ; convert to:  ________ m / h 
__________________________________________________
(17 cm / min)* (1 m /100cm) * (60 min / 1 h)  = _______ m / h
__________________________________________________
The "cm" units cancel to "1"; the "min" units cancel to "1" and we are left with units of "m/h" {"meters per hour"}.
___________________________________
We are left with (17 *1 m * 60) / (100 * 1 h) =  [(17 * 60) m] / [100 h] 
                                                                 =  [(17 *60) / 100 ] meters per hour.
________________________________________________________
To simply: (17 * 60) / 100 ;
_________________________
Method 1):  To simplify: (17 * 60) / 100 ;

→Rewrite as: (17*60) / 100 = (17*20*3)/(20*5) ;  
→Cancel out the "20's "; and rewrite as: 

→ (17*60) / 100 = (17*3)/5 = 51/5 
                           = 10.2 meters per hour; or, write as: 10 ⅕ meters per hour.
________________________________________________________
Method 2) To simplify: (17 * 60) / 100 ; Use calculator (or by hand):
___________________________________
→ (17 * 60) / 100 = 1,020 /100 
                             = 10.2 meters per hour; or, write as: 10 ⅕ meters per hour.
__________________________________
Method 3) To simplify: (17 * 60) / 100 ;
_____________________________________
→ (17 * 60) / 100 = ? ;  

→ Divide BOTH the "100" AND the "60" by "10";

        → 60÷10 = 6 ; 100÷10 =10; and rewrite—replace the "60" with a "6"; and replace the "100" with a "10" ;
____________________________
→ (17*60)/100 = (17*6)/10 = 102/10

                         = 10.2 meters per hours; or, write as: 10 ⅕ meters per hour.
____________________________________________________
7 0
4 years ago
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