A rectangle is sometimes a quadrilateral

Mathematics

1 answer:

Firdavs [7]3 years ago

3 0

Answer:

A rectangle is always a quadrilateral

Step-by-step explanation:

Quadrilaterals are shapes with 4 sides, a rectangle is a shape with 4 sides, if it did not have 4 sides, it would not be a rectangle. Same goes for all quadrilaterals.

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siniylev [52]

Answer:

<h2>no solution</h2>

Step-by-step explanation:

$-x^2-9\geq0\qquad\text{change the signs}\\\\x^2+9\leq0\\\\\text{the parabola}\ x^2\ \text{is op}\text{en up and shifted 9 units up. Therefore is whole}\\\text{over the x-axis (only positive values)}.\\\\\bold{CONCLUSION}:\\\\\bold{no\ solution}$

5 0

3 years ago

How to factor 4x^2+7x-15

GuDViN [60]

$4x^2+7x-15$

Break the expression into group:

$(4x^2+5x)+(12x-15)$

factor out x from 4x² - 5x : x (4x-5)
factor out 3 from 12x-15 : 3 (4x-5)

$=x(4x-5)+3(4x-5)$

factor out common term (4x-5) :

$= (4x-5)(x+3)$

hope this helps!

4 0

3 years ago

Help me ASAP for this question

ivann1987 [24]

Answer: Y= 2x

Step-by-step explanation:

1 x 2 = 2

3.4 x 2 = 6.8

5 x 2 = 10

7 x 2 = 14

So. Y = 2x

4 0