MATHEMATICS MIDDLE SCHOOL

How do you work out? (step by step please)
2x-4≥6(x-1)

Answers

Answer 1
Answer: 2x-4 \geq 6(x-1)\n\n 2x-4 \geq 6x-6 \n\n 2x-6x \geq -6+4 \n\n-4x \geq -2 \ |:(-2) \n\n 2x \leq 1 \n\n x \leq (1)/(2) \n\n \boxed{x= (-\infty; (1)/(2) ] }

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What is 2.6 as a fraction or mixed number? Pls help

Answers

The number 2.6 as a fraction is 13/5 and as the mixed number is 2 3/5.

Given a number 2.6.

We have to write this number as a fraction or mixed number.

Generally, decimals and fractions are highly interrelated.

Fractions can be converted in to decimals and decimals can be converted in to fractions.

Here the decimal number is 2.6.

This can be written as,

2.6 = 2.6 / 1

Multiplying numerator and denominator with 10,

2.6 = 26/10 = 13/5

So the fraction is 13/5

This can be written as a mixed number as 2 3/5.

Learn more about fractions here :

brainly.com/question/10708469

#SPJ6

Answer:

2(3)/(5)

Step-by-step explanation:

We need to write 2.6 as a fraction or a mixed number

2.6 or 2.6/1  are same

We have one number after the decimal point

To remove decimal point we multiply both top and bottom by 10

(2.6)/(1) =(2.6*10)/(1*10) = (26)/(10)

Now we divide it

             2           (quotient)

            ------------------------

    10      26

              20

            -------------------------  (subtract)

                  6       (remainder)

so mixed fraction is 2(6)/(10)

6/10 can be reduced to 3/5

So final answer is 2(3)/(5)

Only number 10 please help

Answers

1 pint is equal to 16 ounces. 
You need to know how many pints in 445 ounces. 

1 pint            x pints
-------------- = ----------------
16 ounces     445 ounces

You can cross multiply. 
1*445 = 16x
445 = 16x

Divide by 16 on both sides. 
27.8125

27.8125 pints

|x^2-4x|>=3x
Pleasee!!

Answers

so x ≤ 0 
and then it's,
x ≥ 7 

Given f(x) = x² - 10x + 22, what is the domain of f?

Answers

Answer:

The domain for given function is \:\left(-\infty \:,\:\infty \:\right)

Step-by-step explanation:

Given : f\left(x\right)\:=x^2-10x+22

We have to find the domain of the given function.

Domain of a function is defined as a set of value for which the value of function is real and defined.

Consider the given function f\left(x\right)\:=x^2-10x+22

Since there is no points for x where the function f(x) is non defined.

Hence, whole number line is the domain for the given function.

\text{Domain} :-\infty \:<x<\infty

In interval form it is written as \:\left(-\infty \:,\:\infty \:\right)

Thus, the domain for given function is \:\left(-\infty \:,\:\infty \:\right)

Answer:

The domain of f in interval notation is (-∞,∞)

Step-by-step explanation:

The domain of a function refers to the set of x-values for which the function is defined and is real as well. Given that this is a quadratic function and not a rational function, then the function lacks points of discontinuity. The function is continuous everywhere. In short, the function has no undefined points nor domain constraints

An expression that is equivalent to 7/8.

Answers



7/8 ...* 5 = 35/40 


7/8 ...* 10 = 70/80 

Which statement can be used to prove that the two triangles are congruent? A: the HL Theorem

B: the Angle-Side-Angle Postulate (ASA)

C: the Angle-Angle-Side Theorem (AAS)


D: the SAS Postulate

Answers

Answer:

HL Theorem

Step-by-step explanation:

Here, we see that both triangles have a right angle, making them right triangles.  We know that the hypotenuse must be equivalent, as it is the same line.  Furthermore, we see that one of the legs from each triangle are equivalent.  Therefore, we can use HL Theorem to prove these triangles are equal.

Answer:

The SAS postulate

Step-by-step explanation:

  • Longer lengths of the two triangles are equal (S)
  • The triangles are reflected about the line where their equal hyputenuses meet (S)
  • The right angle of one triengle is equal to the right angle of the other triengle (A)

Thus the two triangles are congruent as evidenced by the SAS postulate.
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