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3 years ago

Is this correct? I need help

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

Yes it is correct hafhssjkstsdd

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ANTONII [103]

<em>i think it's just simply</em> y - 7 <em>?</em>

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3 years ago

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At the beginning of the day, stock XYZ opened at $6.12. At the end of the day, it closed at $6.88. What is the rate of change of

Natalija [7]

Answer:

C is the correct option.

Step-by-step explanation:

We have been given that

stock XYZ opened at $6.12 and it closed at $6.88 and we have find the rate of change of stock.

Change in the value =| Initial - final |

Change in the value = |6.12-6.88|

Change in the value = 0.76

Hence, the rate of change of stock is given by

$\frac{\text{Change in value}}{\text{initial value}}\times100\\\\=\frac{0.76}{6.12}\times100\\\\=12.4\%$

C is the correct option.

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3 years ago

A group of neighbors is holding an end of summer block party. They buy p packs of hot dogs, with 8 hot dogs in each pack. All to

Delicious77 [7]

Answer:

56 divided by 8 would equal p.

Step-by-step explanation:

If you want to find how many packs there are, it would be 56 divided by 8 would equal p.

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3 years ago

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A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm. Find the

RoseWind [281]

Answer:

The volume and the curved surface area of the solid formed is $301.71\ \text{cm}^3$ and $188.57\ \text{cm}^2$ respectively.

Step-by-step explanation:

Given that,

A right triangle with sides 6 cm, 8 cm and 10 cm is revolved about the side 8 cm.

As the triangle is revolved at 8 cm it forms a cone of height 8 cm and radius 6cm.

Height, h = 8 cm

Radius, r = 6 cm

The volume of the solid formed is given by :

$V=\dfrac{1}{3}\pi r^2 h\\\\=\dfrac{1}{3}\times \dfrac{22}{7}\times 8^2\times 8\\\\=301.71\ \text{cm}^3$

The curved surface of the solid formed is :

$A=\pi rl$

l is slant height

$A=\pi r\times \sqrt{h^2+r^2} \\\\A=\dfrac{22}{7}\times 6\times \sqrt{8^2+6^2} \\\\=188.57\ \text{cm}^2$

Hence, the volume and the curved surface area of the solid formed is $301.71\ \text{cm}^3$ and $188.57\ \text{cm}^2$ respectively.

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16. Place a the letter of each of the following in the correct box (16 points)

meriva

Answer:

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Step-by-step explanation:

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