3 years ago

Which function is shown in the graph below?

Mathematics

1 answer:

bazaltina [42]3 years ago

5 0

Where is the graph? I do not see the graph for I can answer your question.

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A leather ball has a diameter of 28.4 cm. Which is the area of the piece of leather used on the surface of the ball?

Ira Lisetskai [31]

Answer:

$A=806.56\pi\ cm^2$

Step-by-step explanation:

Given that,

The diameter of a leather ball, d = 28.4 cm

Radius, r = 14.2 cm

We need to find the area of the piece of leather used on the surface of the ball. The surface area of the ball is given by :

$A=4\pi r^2\\\\A=4\times \pi\times (14.2)^2\\\\A=806.56\pi\ cm^2$

So, the area of the piece of leather is $806.56\pi\ cm^2$ . The correct option is (b).

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3 years ago

Solve 4x-4y=-16; x-2y=-12 by using substitution

Diano4ka-milaya [45]

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3 years ago

In a local university, 49% of the students say that they get less than recomended eight hours of sleep per night. In a group of

erma4kov [3.2K]

Answer: One thousand six hundred and eighty - three students (1,683)

Step-by-step explanation: 49% of 3300 is 1,617 . If 49% don't get enough sleep then then question is indirectly asking for the exact amount of that particular 51%

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3 years ago

For a craft project, two equilateral triangles are taped together to create a quadrilateral.

zubka84 [21]

Answer its rhombus

Step-by-step explanation: i took the test

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The question is number 6 i don't know if I got it right I really need to know and this is solving quadratics by completing the s

zhenek [66]

Answer:

Step-by-step explanation:

If u = 6 then substitute so

6(6+6)=6 know solve but this isn't going to be correct because 6 plus 6 is 12 times 6 isn't 3

So your answer isn't correct. I think it would be a negative number or decimal because 6 is larger than 3. Hope this helps!

it is u(u+6)=3

I got u=6

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3 years ago