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3 years ago

Which ordered pair could be removed from the graph to create a set of ordered pairs that represents a function

Mathematics

1 answer:

geniusboy [140]3 years ago

3 0

Answer:

(1,3) is the answer if this is question because you haven't given graph.

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A square has a diagonal length of 5 cm what is the area of a square

Alborosie

Answer:

Area of square = 12.48 cm^2

Step-by-step explanation:

Since the square has all sides equal, and when diagonal is made, square form two right angled triangles. Using Pythagoras theorem we can find the length of side of the square.

$c^2 = a^2 + b^2$

where c = 5cm and a==b (square has all sides equal)

Putting value of b = a

$(5)^2 = a^2 + a^2\\25 = 2 a^2\\25/2 = a^2\\=> a^2 = 12.5\\ => \sqrt{a^2} = \sqrt{12.5}\\=> a = 3.53\, cm$

So, length of side of square = 3.53

Area of square = (3.53)^2

Area of square = 12.48 cm^2.

5 0

3 years ago

Read 2 more answers

2. Write (and do not solve) a word problem for the following inequality. 3(1/2x-6). >- 70

Feliz [49]

Answer:

Step-by-step explanation:

hope this helped

3 0

3 years ago

20. Sketch the level curve of the function f(x, y) that contains the point (5,0).

PolarNik [594]

At the given point,

$f(5,0) = \dfrac1{\sqrt{5^2 + 0^2 - 9}} = \dfrac1{\sqrt{16}} = \dfrac14$

Then the level curve is

$\dfrac1{\sqrt{x^2 + y^2 - 9}} = \dfrac14 \\\\ \implies \sqrt{x^2 + y^2 - 9} = 4 \\\\ \implies x^2 + y^2 - 9 = 4^2 \\\\ \implies x^2 + y^2 = 25 = 5^2$

which is a circle centered at the origin with radius 5 - quite easy to sketch.

5 0

2 years ago

Find x.................

Mkey [24]

Two the smaller right angled triangles are similar. Therefore:
$\dfrac{x}{3}=\dfrac{3}{2}\ \ \ |\cdot3\\\\x=\dfrac{9}{2}\\\\\boxed{x=4.5}$

Answer: a) 4.5

8 0

3 years ago

13x + 5 + 17x -4.5 + x explain why this is wrong show your

alekssr [168]

The answerer is combining terms in x with constants

that is, 13x + 5 ≠ 18x

13x + 5 + 17x - 4.5 + x

= (13x + 17x + x ) + 5 - 4.5 ← collecting like terms

= 31x + 0.5 ← correct simplification

7 0

4 years ago

Read 2 more answers