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tensa zangetsu [6.8K]
3 years ago
15

All equations are identies, but not all identies are equations True or False

Mathematics
1 answer:
geniusboy [140]3 years ago
5 0

ANSWER: It is false that All equations are identities, but not all identities are equations, as all identities are equations, but only some equations are identities.

HOPE THIS HELP

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X(x – 4) and x2 - 4x define the same function.
ycow [4]

Answer:

Yes, because x(x -4) is equivalent to x^2-4x

Step-by-step explanation:

x(x -4) and x^2-4x

x(x -4) = x^2 - 4x

Hope this helps!

5 0
2 years ago
One of the base angles of an isosceles triangle is 40°. Which is the triangle classification according to its
kozerog [31]

Answer:

C. Obtuse

Step-by-step explanation:

7 0
2 years ago
Help meeee with this questionnnnnnnnnn!!!!!!!!!!!!
Dafna1 [17]

Given:

The scale factor between two circles is \dfrac{2x}{5y}.

To find:

The ratio of their areas.

Solution:

We know that, all circles are similar.

The ratio of the areas of similar figures is equal to the ratio of squares of their corresponding sides or equal to the square of ratio of their corresponding sides.

The scale factor is the ratio of the corresponding sides.

Ratio of areas of circles = Square of scale factor between two circles

\text{Ratio of areas of circles}=\left(\dfrac{2x}{5y}\right)^2

\text{Ratio of areas of circles}=\dfrac{(2x)^2}{(5y)^2}

\text{Ratio of areas of circles}=\dfrac{4x^2}{25y^2}

Therefore, the correct option is D.

3 0
3 years ago
-x - 1 = 221 + 2x <br> plzzzzzzzzz help
Otrada [13]
Simplifying&#10;-1x + -1 = 221 + 2x&#10;&#10;Reorder the terms:&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving&#10;-1 + -1x = 221 + 2x&#10;&#10;Solving for variable 'x'.&#10;&#10;Move all terms containing x to the left, all other terms to the right.&#10;&#10;Add '-2x' to each side of the equation.&#10;-1 + -1x + -2x = 221 + 2x + -2x&#10;&#10;Combine like terms: -1x + -2x = -3x&#10;-1 + -3x = 221 + 2x + -2x
Combine like terms: 2x + -2x = 0&#10;-1 + -3x = 221 + 0&#10;-1 + -3x = 221&#10;&#10;Add '1' to each side of the equation.&#10;-1 + 1 + -3x = 221 + 1&#10;&#10;Combine like terms: -1 + 1 = 0&#10;0 + -3x = 221 + 1&#10;-3x = 221 + 1&#10;&#10;Combine like terms: 221 + 1 = 222&#10;-3x = 222&#10;&#10;Divide each side by '-3'.&#10;x = -74&#10;&#10;Simplifying&#10;x = -74
5 0
3 years ago
What does 5/4x = 1/2
aleksklad [387]
You would multiply 4 on both sides
5x=2
then you would divide 5 on both sides
x=2/5
7 0
3 years ago
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