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nordsb [41]
3 years ago
7

How do I solve this equation?

Mathematics
2 answers:
inn [45]3 years ago
5 0
You can use substitution or elimination or graphing to solve the equation. Since both of the equations are in slope intercept form it will be easier to use substitution or to graph it and find the point of interception.
const2013 [10]3 years ago
5 0
You can write (6x=10)=(-4x-20), because both expressions are equal to the same thing, so they're equal to each other. From that, you easily solve for 'x', and then write that number back into one of the original equations to find 'y' .
You might be interested in
Solve the following exponential equations.<br> 2(4^x )+ 4^(x+1 )= 342
Cloud [144]

Answer:

  x ≈ 2.91644500708

Step-by-step explanation:

The equation can be simplified to ...

  2(4^x) +4(4^x) = 342

  6(4^x) = 342

  4^x = 57

Taking logarithms, we get ...

  x = log₄(57) = log(57)/log(4)

  x ≈ 2.91644500708

5 0
3 years ago
the volume of a box is 45x^3 + 198x^2 + 189x. find expressions for the possible dimensions of the prism
Oxana [17]

Answer:

length, width, and height are (b+2), (b-2), (b+3)

Step-by-step explanation:

Doing what the problem statement tells you to do, you get ...

 (b^3 +3b^2) -(4b +12)

 = b^2(b +3) -4(b +3) . . . factor each pair of terms

 = (b^2 -4)(b +3) . . .  write as a product

 = (b -2)(b +2)(b +3) . . . use the factoring of the difference of squares

The three factors are (b-2) , (b+2) , and (b+3). We have no clue as to how to associate those with length, width, and height. We just know these are the dimensions of the box.

7 0
2 years ago
Two boys earn money mowing lawns. Jacob mowed 12 lawns this week. He mowed
iris [78.8K]
B is correct
12/3=4
-> 3 x 4 = 12
6 0
2 years ago
Read 2 more answers
Tell whether -2 is a solution of the inequality n-5&lt;8
ruslelena [56]

Answer:

-2 is a solution

Step-by-step explanation:

-2-5<8

-7<8

6 0
3 years ago
What are some values to make -2x&gt; 10 true ?<br> Please help ASAP!
steposvetlana [31]

Answer:

-6 -7 -8 -9 -10

Step-by-step explanation:

anything that keeps going from there dont do anything like -5 -4 -3 -2 -1 because it would be wrong

any negative number that keeps increasing after -6

7 0
2 years ago
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