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pogonyaev
3 years ago
13

SOLVE

{2} " alt="(2 x - 4) {?}^{2} " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
andrey2020 [161]3 years ago
6 0

Answer:

<u>4</u><u>x</u><u>²</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>.</u>

Step-by-step explanation:

(2x-4)² =?

(2x-4)² = (2x)² - (4)²

= <u>4x² - 16.</u>

V125BC [204]3 years ago
4 0

Answer:

x = 2

Step-by-step explanation:

To solve , equate to zero, that is

(2x - 4)² = 0, so

2x - 4 = 0 ( add 4 to both sides )

2x = 4 ( divide both sides by 2 )

x = 2

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what is the equation of the line, in slope-intercept form, of a line with a slope of -1/4, which passes through the point (-4,6)
kiruha [24]

Answer:

y = (-1/4)x + 5

Step-by-step explanation:

y = mx + b

---------------

Solve for b first

6 = (-1/4)-4 + b

6 = 1 + b

6 - 1 = b

5 = b

y = (-1/4)x + 5

8 0
3 years ago
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In six test runs, a truck operated 8, 10, 15, 7, 9, and 11 miles with one gallon of gasoline. at the 95% level of confidence, is
nikdorinn [45]
The mean average of all the test runs are 10 miles. Thus, a mean rate of 10 miles per gallon would be more accurate.
6 0
3 years ago
Maria is in the state park riding her bike on the new bike trail. She starts at the beginning of the trail and rides for 4 miles
Agata [3.3K]

Answer:

20 miles

Step-by-step explanation:

If Maria has been riding for 2 1/2 hours and Aiden only for 2. That means that the first 4 miles she rode alone was for 1/2 hour. So that is the rate.

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Maria rode for 2 1/2 hours divided by 1/2 hours is 5. So 5 x 4mi = 20 miles

7 0
3 years ago
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If a=6 and b=24 what is (a+b)^2
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Step-by-step explanation:

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7 0
3 years ago
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What is the solution to 2(x - 3) = 2x + 5
laila [671]

Answer:

X cannot be decided

Step-by-step explanation:

According to the question,we will start solving the problem by dealing with the bracket first

So let's get to work

2(x-3)=2x+5

Bracket first

2x-6=2x+5

So let's collect like terms

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So to my own understanding there is no definite solution to get the real value of x

I hope you understand

8 0
3 years ago
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