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MA_775_DIABLO [31]
4 years ago
13

Simplify 6(x-3)=-42 -10 -6 1/2 -4 11

Mathematics
2 answers:
AVprozaik [17]4 years ago
7 0
6(x-3)=-42\ \ \ |\text{use distributive property}\ a(b-c)=ab-ac\\\\(6)(x)-(6)(3)=-42\\\\6x-18=-42\ \ \ \ |+18\\\\6x=-24\ \ \ |:6\\\\x=-4\\\\\text{Answer:}\ -4
victus00 [196]4 years ago
7 0
The answer is -4 
6(x) 6(-3)
6x-18=-42
   +18 +18
__________
6x=-24
---   ----
6        6
______
x=-4

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There are 99 cats and 121 dogs participating in a costume competition. What percent of the participants are cats?
kakasveta [241]
About 81.82 rounded.
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3 years ago
2.Mauricio tanqueó su auto en una estación de gasolina. Si el galón costo $ 7.000 y él pagó 12.250 por el servicio, ¿Qué fracció
Anettt [7]

Answer:

4/7

Step-by-step explanation:

2.Mauricio llenó su auto en una gasolinera. Si el galón le costó $ 7,000 y él pagó 12,250 por el servicio, ¿qué fracción es la cantidad de galones que pagó Mauricio?

La fracción por la cantidad de galones que pagó Mauricio se calcula como:

Cantidad de galones / Cantidad total pagada por el servicio

= $ 7000 / $ 12,250

= 4/7

Por lo tanto, la fracción que es la cantidad de galones que pagó Mauricio es 4/7

8 0
3 years ago
30 min before test please help !!numbers 13 and 14
anzhelika [568]
For 13. just add all the sides.

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For 14. multiply width and height of both shapes then add them together.

1.7 x 5.2 = 3.74 ( rectangle area )
3.0 x 3.0 divided by 2 = 4.5 ( triangle area )

Add the two answers

3.74 + 4.5 = 8.24
3 0
3 years ago
What is 25 divided by 2350
Darina [25.2K]
25 divided by 2305 is 0.0106
8 0
3 years ago
Read 2 more answers
Need help please can you give answer with working out i can not answer as it is quite gard
Elis [28]

Step-by-step explanation:

\text{Given:}\\\\AB=3x-4\\AC=2x+12\\BC=7x-2\\AB:AC=1:2\Rightarrow(3x-4):(2x+12)=1:2\\\\\dfrac{3x-4}{2x+12}=\dfrac{1}{2}\qquad\text{cross multiply}\\\\(3x-4)(2)=(2x+12)(1)\qquad\text{use the distributive property}\\\\(3x)(2)+(-4)(2)=2x+12\\\\6x-8=2x+12\qquad\text{add 8 to both sides}\\\\6x-8+8=2x+12+8\\\\6x=2x+20\qquad\text{subtract}\ 2x\ \text{from both sides}\\\\6x-2x=2x-2x+20\\\\4x=20\qquad\text{divide both sides by 4}\\\\\dfrac{4x}{4}=\dfrac{20}{4}\\\\x=5

\text{Put the value of}\ x\ \text{to}\ AC\ \text{and}\ BC:\\\\AC=2(5)+12=10+12=22\\\\BC=7(5)-2=35-2=33\\\\AC:BC=22:33=\dfrac{22}{33}=\dfrac{22:11}{33:11}=\dfrac{2}{3}=2:3

4 0
3 years ago
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