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NemiM [27]
3 years ago
15

Find the value of x that makes the equation true.

Mathematics
2 answers:
zalisa [80]3 years ago
8 0
Ok so you just multiply by 9 on both sides

9\frac{x}{9}=-54

The nines on the left hand side and it it

x=-54
masya89 [10]3 years ago
6 0

x/9 = -6

Solve for X by multiplying both sides by 9:

x = -6 * 9

x = -54



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Please help me ill give u more points <3.
mariarad [96]

Answer:

d i believe its do but i need 20 characters

8 0
3 years ago
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3x to the power of 3 + 21x squared + 36x = 0 by factoring the quadratic equation.
Diano4ka-milaya [45]

Answer:

x = 0, -4 and -3.

Step-by-step explanation:

The given expression is "3x to the power of 3 + 21x squared + 36x = 0".

We can write this expression as follows :

3x^3+21x^2+36x=0

Taking 3x common.

3x(x^2+7x+12)=0\\\\3x=0\ \text{and}\ (x^2+7x+12)=0

x = 3

x^2+7x+12=0\\\\x^2+3x+4x+12=0\\\\x(x+3)+4(x+3)=0\\\\(x+4)(x+3)=0\\\\x=-4,-3

Hence, the solution of the given quadratic equation are x = 0, -4 and -3.

5 0
3 years ago
Complete the equation.<br> 5x + 5.2<br> 10.0
skad [1K]
I do t think it’s right so far but x=1.04
8 0
3 years ago
Can I please get help with this?
Andrei [34K]

Answer: x = 20.

Step-by-step explanation:

x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.

Right angles are 90 degrees, so you can add both angles to get 90:

x + (3x + 10) = 90\\\\4x + 10 = 90\\\\4x = 80\\\\x = 20

7 0
3 years ago
Louise sold 873 copies of a book she wrote for $10.99 each. If she earns 52% profit from each book, about how much profit will s
Zepler [3.9K]

Answer:

Step-by-step explanation:

873*10.99=9594.27

9594.27*52%=4989.02 so about $5000.00

4 0
3 years ago
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