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Kazeer [188]
3 years ago
12

I do not understand this math problem I have to do. It is 32-6x=20 and I need to find the variable but it's too confusing for me

.
Mathematics
1 answer:
sineoko [7]3 years ago
4 0

Answer:

The answer to your question x=2.

Step-by-step explanation: So, first you simplify both sides of the equation which, would look like this after, -6x+32=20. After that, you subtract 32 from both sides which will look like this after -6x=-12. Then you would divide each side by -6 which will get x=2. Hope this helps!


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Sherry bought a sport utility vehicle. She received a discount of 18% off the manufacturer's list price but then had to pay 8% s
Kazeer [188]

Answer:

x = $20,000

the manufacturer's list price is $20,000

Step-by-step explanation:

Let x represent the manufacturer's list price.

And c the amount she finally paid

Given that;

She received a discount of 18% off the manufacturer's list price

= x - 18%x

= x - 0.18x

= 0.82x

then had to pay 8% state sales tax.

C = (0.82x) + 8% of (0.82x)

C = 0.82x + 0.08(0.82x)

C = 0.82x + 0.0656x

C = 0.8856x

Since she paid $17,712

C = $17,712

C = $17,712 = 0.8856x

0.8856x = $17,712

x = $17,712/0.8856

x = $20,000

the manufacturer's list price is $20,000

7 0
3 years ago
A line passes through (-2,7) and had a slope of -1
balu736 [363]

Answer:

y=-x+5 if parallel and perpendicular

if needed in point slope form : y-7 = -1(x+2)

Step-by-step explanation:

4 0
3 years ago
Finding what X= <br><br> 4<br> 16<br> 9
EleoNora [17]

Answer:

16

Step-by-step explanation:

The hypotenuse = 2 times the shorter leg

The longer leg = the square root of 3 times the shorter leg

6 0
3 years ago
Read 2 more answers
Sasha has some pennies nickels and dimes in her pocket the number of coins is 18 the expression 0.01 p + 0.05 n + 0.10 D represe
MAXImum [283]
A) p + n + d = 18
B) .01p + .05n + .10d = 1.14
C) 2p = d

Substituting C) into A)
A) p + n + 2p = 18 equals
A) 3p + n = 18
Substituting C) into B)
B) .01p + .05n + .10 *2p = 1.14
B) .01p + .05n + .2p = 1.14
B) .21p + .05n = 1.14  
Taking equation A)
A) 3p + n = 18 and multiplying it by -.05
A) -.15p -.05n = -.90  Then adding this to B)
B) .21p + .05n = 1.14
.06p = .24
Therefore there are 4 pennies.
(I'll leave it to you to determine the nickels and dimes.)
**************************************************************************
Oh what the heck, I'll finish it for you.

Looking at equation C)
C) 2p = d
We know there are 4 pennies so there are:
2 *4  = eight dimes
Looking at Equation A)
A) p + n + d = 18 we can fill in the pennies and the dimes:
A) 4 + n + 8 = 18
Therefore, there are 6 nickels.


5 0
3 years ago
What is the completely factored form of x^4+8x^2-9
denis-greek [22]

Remark

You'll see it a whole lot easier if you make a substitution so that it looks like something you have already seen

Solution

let y = x^2

x^4 = x^2 * x^2

x^4 = y * y

x^4 = y^2

Now the expression becomes

y^2 + 8 y - 9  =  z

(y + 9)(y - 1) = z

Now put the x^2 back in.

(x^2 + 9) ( x^2 - 1) = z

x^2 - 1 becomes x + 1 and x - 1. At this level x^2 + 9 can't be factored.

Answer

(x^2 + 9) (x + 1)(x - 1)


3 0
4 years ago
Read 2 more answers
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