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4 years ago

If the measure of 4 is equivalent to (2x-7) what is the value of x

Mathematics

2 answers:

mart [117]4 years ago

4 0

Answer:

the value of x would be 5.5

Step-by-step explanation:

This is true by multiplying 2 by 5 and a half

Varvara68 [4.7K]4 years ago

4 0

Answer: 5.5

Step-by-step explanation:

4=2x-7

11=2x

X=5.5

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Please help!!!!!

vampirchik [111]

Answer:

Step-by-step explanation:

Consider the quadratic equation, we have

$ax^2+bx+c=0$

Dividing the equation by a, we get

$x^2+\frac{b}{a}x+\frac{c}{a}=0$

Put $\frac{c}{a}$ on the other side,

$x^2+\frac{b}{a}x=\frac{-c}{a}$

Add $(\frac{b}{2a})^2$ on both the sides,

$x^2+\frac{b}{a}x+(\frac{b}{2a})^2=\frac{-c}{a}+(\frac{b}{2a})^2$

completing the square, we have

$(x+\frac{b}{2a})^2=\frac{-c}{a}+(\frac{b}{2a})^2$

Now, solving for x,

$x+\frac{b}{2a}={\pm}\sqrt{\frac{-c}{a}+(\frac{b}{2a})^2}$

$x=\frac{-b}{2a}{\pm}\sqrt{\frac{-c}{a}+(\frac{b}{2a})^2}$

Multiply right side by $\frac{2a}{2a}$ ,

$x=\frac{-b{\pm}\sqrt{b^2-4ac}}{2a}$

which is the required quadratic formula.

8 0

4 years ago

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The product of two numbers is 18. if one number is y then the other number is?

vazorg [7]

The other number is 18/y.

6 0

3 years ago

Write the inverse function for the function, ƒ(x) = x + 4. Then, find the value of ƒ -1(4). Type your answers in the box.

KATRIN_1 [288]

F(x)^-1=x-4
f(4)^-1=0

8 0

3 years ago

Pls help me I don’t understand

ipn [44]

Answer:

m<PXQ Is Acute

m<QXN is Obtuse

Step-by-step explanation:

Acute Angles are lsss than 90⁰

Obtuse Angles are greater than 90⁰

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3 years ago

Find two consecutive whole numbers that 56 lies between.

olasank [31]

Answer:

55 And 57

Step-by-step explanation:

55, 56, 57,

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3 years ago

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