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Zina [86]
4 years ago
6

Solve for the equation for x: 4.5x-2.3=6.7

Mathematics
2 answers:
dusya [7]4 years ago
3 0

Step-by-step explanation:

4.5x-2.3=6.7 (add 2.3 so no number in the equation)

6.7+2.3 is 9

4.5x=9 (divide by 4.5 as it's 9 is divisible by 4.5

9/4.5 is 2

X=2

put it back into the equation

4.5*2 is 9

9-2.3 is 6.7

Therefore X=2

marshall27 [118]4 years ago
3 0

Answer:

x = 2

Step-by-step explanation:

Add 2.3 to both sides.  We get:

4.5x = 6.7 + 2.3 = 9

If 4.5x = 9, then x = 2

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Find the zeros of the function. f(x) = 6x3 + 18x2 + 12x
marin [14]
Hello,

f(x)=6x^3+18x²+12x=6x(x²+3x+2)
=6x(x²+x+2x+2)=6x((x(x+1)+2(x+1))
=6x(x+1)(x+2)

Zeros are 0,-1,-2

3 0
3 years ago
A triangular pane of glass has a height of 42 inches and an area of 546 square inches. What is the length of the base of the pan
pashok25 [27]

Answer:

Base = 26 in

Step-by-step explanation:

Recall the formula for the area of a triangle as:

Area = (Base x Height) / 2

In our case, this formula converts into:

546 in^2 = Base x 42 in /2

multiply both sides by 2 to get rid of fractions:

1092 in^2 = Base x 42 in

divide both sides by "42 in" to isolate the Base completely

1092 in^2 / 42 in = Base

Therefore Base = 26 in

5 0
3 years ago
Can someone plsssss help
Taya2010 [7]

Answer:

12

Step-by-step explanation:

a2 +b2 = c2

a2 + 9 2 = 15 2

a2 + 81 = 225

     - 81    - 81

a2 = 144

 a = 12

4 0
4 years ago
Read 2 more answers
The cost to a store for a box of cereal is $2.50. The store is selling the box of cereal for $3.50. What is the percent of marku
zysi [14]
Well, the cereal cost 2.5, and the store is selling for 3.5, so is 1 buck more.

if we take 2.5 to be the 100%, what is 1 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
2.5&100\\
1&p
\end{array}\implies \cfrac{2.5}{1}=\cfrac{100}{p}\implies p=\cfrac{1\cdot 100}{2.5}\implies p=\stackrel{\%}{40}
8 0
4 years ago
Jose has $20 to spend on bowling. The bowling alley charges $2.25 per game and $5 to rent a pair of bowling shoes. If Jose needs
sineoko [7]
Well just subtract 20 by 5 and get 15. Divide that which is the remaining amount of money after the shoes by 2.25 and get 6.6 with the 6's going on forever. Since he can't play 6.6 games you will make it reasonable and he will only be able to play 6 games.

Hoped I helped!
8 0
3 years ago
Read 2 more answers
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