2/3x+4=2x
Is it always, sometimes, or never true?

Answers

Answer 1

Answer: Presuming the first element of the equation is (2/3)x and not 2/(3x) then 4=(4/3)x ... 1=x/3 ... X=3 So x=3 is a solution

Answer 2

Answer:

Final answer:

The equation 2/3x + 4 = 2x is sometimes true, specifically when x = 3. For any other values of x, it is not true.

Explanation:

The equation you've provided is 2/3x + 4 = 2x. To determine whether this is always, sometimes, or never true, we can solve for x. Start by subtracting 2/3x from both sides of the equation to isolate the term with 'x' on one side. This yields 4 = 2x - 2/3x, or 4 = 4/3x. If we divide both sides by 4/3 (or multiply by the reciprocal 3/4) to further isolate x, we get x = 3. Thus, the equation is true for x = 3 and not true for any other value of x, so it's not always true but sometimes true.

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Answers

She asked her friends, which does not represent a random sample.

She tried to show cause and effect without doing an experiment (which includes simple random sample, control group, treatment, etc).

So the answer is she did not use a random sample, and tried to show cause and effect with an observational study.

Answer:

She did not use a random sample, and she tried to show cause and effect with an observational study.

Hope this Helps! Mark Brainliest Please!

Rex paid $250 in taxes to the school district that he lives in this year. This year's taxes were a 12% increase from last year. What did Rex pay in school taxes last year?

Answers

Answer:

$223.21

Step-by-step explanation:

Last year the amount of taxes was x, an unknown amount. That was 100% of last year's tax cost.

This year, taxes went up by 12%, so this year the taxes are 112% of what they were last year. This year the taxes were 112% of x, and they were $250.

112% of x = 250

1.12x = 250

x = 250/1.12

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Answer: $223.21

Solve this inequality 8z+3-2z<51

Answers

8z - 2z < 51 - 3
6z < 48
z < 48/6
z < 8
Answer: z < 8

First, let's work on the left hand side of your inequality, the 8z+3-2z
This means, for instance, to see if it can be simplified at all.
Multiply z and 8Multiply z and 1The z just gets copied along.The answer is zz8*z evaluates to 8z8*z+3 evaluates to 8z+3Multiply z and 1The z just gets copied along.The answer is zz2*z evaluates to 2z8z - 2z = 6zThe answer is 6z+38*z+3-2*z evaluates to 6z+3So, all-in-all, the left hand side of your inequality can be written as:6z+3Now, let's work on the right hand side of your inequality, the 51
The right hand side of your inequality can be written as: 51So with these (any) simplifications, the inequality we'll set out to solve is:
6z+3 ‹ 51
Move the 3 to the right hand side by subtracting 3 from both sides, like this:
From the left hand side:
3 - 3 = 0The answer is 6zFrom the right hand side:
51 - 3 = 48
Now, the inequality reads:
6z ‹ 48
To isolate the z, we have to divide both sides of the inequality by the other "stuff" (variables or coefficients)
around the z on the left side of the inequality.
The last step is to divide both sides of the inequality by 6 like this:
To divide z by 1The z just gets copied along in the numerator.The answer is z6z ÷ 6 = z48 ÷ 6 = 8The solution to your inequality is:
z ‹ 8 the answer is 48 Multiply z and 2

Can someone explain this lol thanks Find the volume of the rectangularprism.
4
3
9
[?] units

Answers

I’ll tell you the answer but first you gotta pay up with that brainliest answer then I’ll start talking (¬‿¬)

HELP PLEASE ! Factor the polynomial completely.
18x^2y-2y

Answers

Answer:

2y( 3x-1)(3x+1)

Step-by-step explanation:

18x^2y-2y

Factor out the greatest common factor 2y

2y( 9x^2 -1)

The term in the parentheses is the difference of squares

a^2 - b^2 = (a-b)(a+b)

2y( 3x-1)(3x+1)

2y(3x-1)(3x+1) is what I came up with to answer your question, hope this helps!

Round to the nearest hundredth. 7.546
A. 7.546
B. 7.55
C. 7
D. 7.5

Answers

7.55 would be correct because if there is a 5 or greater it goes up a number if it is a 4 or lower it stays the same

B. 7.55

7.546⇒the underlined is the hundredths place
When rounding it to nearest hundredth, you will look at the digit next to it at the right.
7.546⇒six is greater than 5 so the hundredths place would round up to the next digit which is 5.
$7.546-7.55$

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