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3 years ago

Everything is due tomorrow can we people get some help around here plzzzz

Mathematics

1 answer:

Olin [163]3 years ago

6 0

Answer:

Fine I shall try to help

Step-by-step explanation:

No need to say thank you

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Line L is NOT a function. The equation of line L could be A) x + 3 = 0. B) y + 3 = 0. C) y + 3x = 0. D) x + 3y = 0.

Damm [24]

Answer:

None of the above.

Step-by-step explanation:

All of these are functions. For each input of x, there is only one output of y. Therefore, they are all functions.

7 0

3 years ago

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In a lab, a 30% acid solution is being mixed with a 5% acid solution to create a 10% acid solution. What is the ratio of the amo

LuckyWell [14K]

Answer:

1 : 4

Step-by-step explanation:

Let x represent the amount of 30% solution for 1 unit of 5% solution. Then the amount of acid in the mix is ...

0.30x + 0.05·1 = 0.10·(x +1)

0.30x + 0.05 = 0.10x + 0.10 . . . . eliminate parentheses

0.20x = 0.05 . . . . . . . . . . . . . . . . subtract 0.05+0.10x

x = 0.05/0.20 = 1/4

That is, the ratio x : 1 is 1 : 4.

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3 years ago

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Which graphs are the graphs of even functions?

kotykmax [81]

The one in the top left corner

8 0

3 years ago

Describe two ways to find the maximum area for rectangles with a fixed perimeter

____ [38]

Either multiply length by width, or measure all sides and add together
LxW=Area
S1+S2+S3+S4=Area

8 0

3 years ago

The circular opening of an ice cream cone has a diameter of 7 centimeters. The height of the cone is 10 centimeters. What is the

marin [14]

We have been given that the circular opening of an ice cream cone has a diameter of 7 centimeters. The height of the cone is 10 centimeters. We are asked to find the volume of the ice-cream cone.

We will use volume of cone formula to solve our given problem.

$V=\frac{1}{3}\pi r^2 h$ , where

r = Radius of cone,

h = Height of cone.

We know that diameter is two times the radius, so radius will be half of diameter that is $r=\frac{7}{2}$ .

$V=\frac{1}{3}\pi\cdot (\frac{7}{2})^2\cdot 10$

$V=\frac{1}{3}\pi\cdot (\frac{49}{4})\cdot 10$

$V=128.2817$

$V\approx 128.3$

Therefore, the volume of the cone would be approximately 128.3 cubic cm.

6 0

3 years ago