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2 years ago

Help please.. i need this answer ASAP

Mathematics

2 answers:

Alexus [3.1K]2 years ago

4 0

The answer would be 33.02 centimeters (A)

There are 2.54 centimeters in one inch so 2.54 • 13= 33.02

Vlad1618 [11]2 years ago

3 0

The answer is b gjfjkfjrurjdjhzjdjdjdjduueeueuueurjr

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Which number expresses 6.72 as a fraction in simplest form?

Dimas [21]

The number that expresses 6.72 as a fraction is simplest form is...

6.72= 168/25

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3 years ago

Find the value of x so that the function has the given value.<br><br> t(x)=-4x-5 <br><br> t(x)=3

Sveta_85 [38]

Answer:

x = 8 since 3 × 8 = 24

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2 years ago

What kind of shape is this? O A. Not a polygon O B. Triangle O c. Quadrilateral O D. Pentagon

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3 years ago

Find the missing number so that the equation has no solutions. 5x+1-3x=_x+13

joja [24]

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You may just add 2 in the spot. Moreover, you get no solution.

Step-by-step explanation:

Hope this helped!

7 0

3 years ago

Determine the next step for solving the quadratic equation by completing the square

GaryK [48]

Answer:

The two solutions are: $x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}$

The next and every step are below.

Explanation:

1. $-3=-2x^2+2x$ : Given (addition property / add - 3 to both sides)

2. $-3 = - 2(x^2-x)$ : Given (commom factor - 2)

3. $-3-1/2=-2(x^2-x+1/4)$

To obtain the perfect square it was added the square of half of the coefficient of x: (1/2)² = 1/4, inside the parenthesis.

Since, the terms inside the parentthesis are multiplied by - 2, you have to add - 2 (1/4) = - 1/2 to the left side of the equation.

4. Now, you have that the trinomial x² - x + 1/4 is a square perfect trinomial which is factored as (x - 1/2)² and get the expression:

$-7/2=-2(x-1/2)^2$

5. Divide both sides by - 2 to get the next expression:

$-7/4=(x-1/2)^2$

6. The last step is to extract squere root from both sides of the equality:

$(x-1/2)=+/-\sqrt{\frac{7}{4}}\\ \\ x-1/2=+/-\frac{\sqrt{7} }{2}\\ \\ x=\frac{1}{2}+/-\frac{\sqrt{7} }{2}$

8 0

3 years ago