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Crazy boy [7]
3 years ago
14

Identify A, B, and C -6x2-5x+3=-8X2-4x

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
7 0
I’m not really good at maths and I also don’t understand the question but just check it out

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Rectangle is 2/5 in. long and 1/3 in. wide.
VARVARA [1.3K]
Answer:  "<span>\frac{2}{15}   in²</span> " . {that is:  " (2/15) in² . "}. 
___________________________________________
Explanation:
___________________________________________
The formula/equation for the Area of a rectangle:  

A = L * w  ;  

       in which:   L  =  <span>⅖ in ; 
</span>                       w =  ⅓ in;
___________________________
Find the area;  in a "fraction value" ;
_______________________________
   A = L * w    ;  
 
          →  Substitute the given values for "L" (length) and "w" (width);
       and solve for "A" (area) in the "form of a fraction:
__________________________________________________

A   = (2/15) in  *  (1/3)  in ;
 
→ A    = [(2*1) / (5*3)] *  in * in ; 
______________________________________________________
→  Answer:  The area is:  " \frac{2}{15}   in² " .
                                          
                                             {that is, "(2/15) in² " .}.  
______________________________________________________
8 0
3 years ago
Can someone please help me in detail if two spherical pieces of cookie dough have radii of 3cm and 5cm. The pieces are combined
kiruha [24]
The ratio of the lengths is 75 : 25 or 3 : 1 

The ratio of and area is the square of this: ie 9 : 1 or 75^2 : 25^2
(In working out the area the radius is squared)

The ratio of the volumes is the cube of this: ie 27 : 1 or 75^3 : 25^3
(In working out the volume the radius is cubed)

Hopefully this explains it

7 0
4 years ago
Read 2 more answers
Find the length of side BC.<br> Give your answer to 3 significant figures.<br> C<br> A<br> 71°<br> B
Vikki [24]

Answer:

BC ≈ 19.4 cm

Step-by-step explanation:

using the cosine ratio in the right triangle

cos71° = \frac{adjacent}{hypotenuse} = \frac{AB}{BC} = \frac{6.3}{BC} ( multiply both sides by BC )

BC × cos71° = 6.3 ( divide both sides by cos71° )

BC = \frac{6.3}{cos71} ≈ 19.4 cm ( to 3 sig. figs )

4 0
2 years ago
Read 2 more answers
Evaluate for d = 2. 2(d + 4d)
Sav [38]

Substitute 2 for d.

2(d + 4d) \\ 2(2 + (4 \times 2)) \\ 2(2 + 8) \\ 2(10) \\ 20

6 0
4 years ago
Read 2 more answers
Angela designed a hat pin in the shape of a triangle. All sides of the hat pin are different length. Which type of triangle is A
Trava [24]
It's a scalene triangle, a triangle where all of the sides are different lengths.
5 0
4 years ago
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