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Artist 52 [7]
3 years ago
7

. Which algebraic expression is equivalent to the expression below?

Mathematics
1 answer:
I am Lyosha [343]3 years ago
5 0
Since you are not distributing at all, you can ignore the parenthesis :)

When ignoring the parenthesis your equation is
18x + 11 - 4x

Then just combine like terms :)

14x + 11

Your answer is C.

Hope this helped!


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Divided 80 by my number, and then added 13. The result was 93. What was my number ?
Elena L [17]

Answer:

6400

Step-by-step explanation:

6400/80=80

80+13=93

Hope this Helps

Pls Mark as Brainliest

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2 years ago
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Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.
barxatty [35]

Answer:

x=9,-1  and x^2+(-8)x=9

Explanation:

we have been given with the quadratic equation x^2-8x-9

we compare the given quadratic equation with general quadratic equation

general quadratic is ax^2+bx+c=0

from given quadratic equation a=1,b= -8,c= -9

substituting these values in the formula for discriminant D=b^{2}-4ac

D=(-8)^2-4(1)(-9)=100

Now, to find the value of x

Formula is x=\frac{-b\pm\sqrt{D}}{2a}

Now, substituting the values we will get

x=\frac{-(-8)\pm\sqrt{100}} {2}= \frac{8\pm10}{2}=9,-1

And rewritting the given equation by  shifting 9 to right hand side of the given equation and taking minus inside the bracket so as to convert it in the form of

x^2+bx=c

4 0
3 years ago
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What is the value of x in the equation 3x – 1/9y = 18, when y = 27?1
Andrews [41]
3x-3=18
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x=7
8 0
3 years ago
What is 1/4 + 1/2<br><br>A: 1/6<br>B: 2/4<br>C: 3/4<br>D: 2/4​
Strike441 [17]

Answer: \frac{3}{4}

<u>Find Common Denominator</u>

2: 2,4,6,8,10

4: 4,8,12,16,20

CD=4

<u>Add</u>

1/4+2/4=3/4

3/4=.75

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2 years ago
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Answer for -2x-41=5x-6
seraphim [82]

Answer:

x=-5

Step-by-step explanation:

-2x-41=5x-6

-35=7x

-5=x

7 0
3 years ago
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