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3 years ago

13

Consider a machine that exchange quarters for dollar bills. Inserting one dollar bill returns four quarters and you may insert u

p to five one dollar bills at a time. Is 7 a possible input for the relation this change machine represents ?

1 answer:

Afina-wow [57]3 years ago

8 0

No because it says you can only insert up to 5 Dollar Bills unless you put them in one at a time.

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a sculpture is formed from a cylinder resting on top of a cuboid. the cylinder has a radius 40cm and height 70cm. the cuboid mea

frosja888 [35]

<u>Answer-</u>

$\boxed{\boxed{\text{Mass}=10.0447256\ ton}}$

<u>Solution-</u>

The dimensions of the cuboid is, 80×80×140 cm

So, its volume will be $=80\times80\times140=896000$ cm³

The dimensions of the cylinder is, radius = 40cm, height = 70cm

So, its volume will be $\pi r^2h=\pi\times40^2\times70=351792$ cm³

Total volume,

$V=V_{\text{Cylinder}}+V_{\text{Cuboid}}\\\\=351792+896000\\\\=1247792\ cm^3$

As we know,

$\Rightarrow \text{Density}=\dfrac{\text{Mass}}{\text{Volume}}$

$\Rightarrow \text{Mass}=\text{Density}\times \text{Volume}$

$\Rightarrow \text{Mass}=8.05\times 1247792=10044725.6\ g$

$\Rightarrow \text{Mass}=10044725.6\times 10^{-6}=10.0447256\ ton$

8 0

3 years ago

A rectangle has a legnth of 12 inches less than 6 times its width. If the area of the rectangle is 3744 square inches, find the

elena-14-01-66 [18.8K]

Length = 6x - 12

Width = x

Area of a rectangle:

A = length x width

3744 = (x)(6x - 12)

3744 = 6x^2 - 12x

6x^2 - 12x - 3744 = 0

Use the quadratic equation to solve for x. The two solutions end up being 26 and -24. Since length is a scalar measurement, it can only be positive. Thus, the value of x is equal to 26 inches.

Width = 26 inches

Length = 6(26) - 12 = 144 inches

Hope this helps!! :)

6 0

3 years ago

Would you set them equal to each other or 90 or 180. HELP ASAP

Ghella [55]

Answer:

90

Step-by-step explanation:

bc i said so

5 0

4 years ago

Please solve this question in mathematics <br> 75*75+4543-8745/3.5

Harman [31]

Answer:

7669.42857

Step-by-step explanation:

3 0

3 years ago

What is the volume of this cube?

Novay_Z [31]

Step-by-step explanation:

Use formula for cube volume:

V=a³

Then add informations you already have and you are done.

V=0,5³

V=0,125 m³

8 0

3 years ago

Read 2 more answers