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3 years ago

What is the Answer to this problem 75x+2=

Mathematics

1 answer:

pashok25 [27]3 years ago

4 0

75x+2=
75x-2=-2. move the 2 to the other side
75x=-2 now divide 75 both sides

75/75x=-2/75
x=-2/75

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How can you check that k ≥ 11 is the solution set to the inequality k + 14 ≥ 25?

Andreyy89

Answer:

K= 11

Step-by-step explanation:

You solve for K by subtracting 14 by 25.

25-14= 11

When k is pluged into k $\geq$ 11 the statement is true because it is equal to 11.

When plugged into k+14 $\geq$ 25;

11+14 =25.

That statement is also true because 25 is equel to 25.

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3 years ago

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Answer:

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Step-by-step explanation:

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Then it must be moved up to here

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3 years ago

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3 years ago

Which of the following is an equivalent equation obtained by completing the square of the expression below? x^2+6x−8=0 A (x+3)^2

valentina_108 [34]

Answer:

Solving the equation $x^2+6x-8=0$ by completing the square method we get $\mathbf{(x+3)^2=17}$

Option B is correct option.

Step-by-step explanation:

We need to solve the equation $x^2+6x-8=0$ by completing the square method.

For completing the square method: we need to follow: $a^2+2ab+b^2=(a+b)^2$

We are given:

$x^2+6x-8=0$

Solving by completing the square

$x^2+2(x)(?)+(?)^2-8=0$

We need to find ? in our case ? is 3 because 2*3= 6 and our middle term is 6x i,e 2(x)(3)=6x.

So, adding and subtracting (3)^2

$x^2+2(x)(3)+(3)^2-8-(3)^2=0\\(x+3)^2-8-9=0\\(x+3)^2-17=0\\(x+3)^2=17$

So, solving the equation $x^2+6x-8=0$ by completing the square method we get $\mathbf{(x+3)^2=17}$

Option B is correct option.

7 0

3 years ago