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3 years ago

I'm confused how do I simplify that??

Mathematics

2 answers:

Nastasia [14]3 years ago

7 0

The pic is a little blury?????

Art [367]3 years ago

4 0

I think it might be 2x/5+1

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Answer:

K(A+B)/A

Step-by-step explanation:

K = (AB)/(A+B)

K(A+B)=AB

K(A+B)/A=B

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3 years ago

Which numerical expression could represent this phrase?

Agata [3.3K]

Answer:

Step-by-step explanation:

63 divided by 9 times 10 minus 2

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3 years ago

Write each ratio as a fraction in simplest form. 5. 48 : 76 6. 20 inches to 4 feet

Delicious77 [7]

Answer:

48:76 would be 48/76 which would reduce to 12/19.

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2 years ago

Solve using elimination. –9x − 7y = –10 9x + 8y = 5

guapka [62]

Answer:

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Step-by-step explanation:

mathpapa

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2 years ago

The radius of a cylinder is 7 c m and its height is 10 c m. Find curved surface area and volume.

erma4kov [3.2K]

Answer:

CSA of the cylinder = 440 sq. cm

Volume of the cylinder = 1540 cu. cm

$\\$

Step-by-step explanation:

Given:

Radius of the cylinder = 7 cm
Height of the cylinder = 10 cm

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To Find:

Curved surface area
Volume

$\\$

Solution:

$\\$

Using formula:

$\dashrightarrow \: \: { \underline{ \boxed{ \pmb{ \sf{ \purple{CSA \: of \: cylinder = 2\pi rh}}}}}} \: \star \\ \\$

Substituting the required values: 

$\\$

$\dashrightarrow \: \: \sf CSA {(cylinder)} = 2 \times \dfrac{22}{7} \times 7 \times 10 \\ \\ \\ \dashrightarrow \: \: \sf CSA {(cylinder)} = 2 \times 22 \times 10 \\ \\ \\ \dashrightarrow \: \: \sf CSA {(cylinder)} = 44 \times 10 \\ \\ \\ \dashrightarrow \: \: \sf CSA {(cylinder)} = 440 \: {cm}^{2} \\ \\ \\$

Now,

$\dashrightarrow \: \: { \underline{ \boxed{ \pmb{ \sf{ \purple{Volume {(cylinder)}= \pi {r}^{2} h}}}}}} \: \star \\ \\ \\$

Substituting the required values, 

$\\$

$\dashrightarrow \: \: \sf Volume {(cylinder)}= \dfrac{22}{7} \times {(7)}^{2} \times 10 \\ \\ \\ \dashrightarrow \: \: \sf Volume {(cylinder)}= \frac{22}{7} \times 49 \times 10 \\ \\ \\ \dashrightarrow \: \: \sf Volume {(cylinder)}= 22 \times 7 \times 10 \\ \\ \\ \dashrightarrow \: \: \sf Volume {(cylinder)}= 1540 {cm}^{3} \\ \\ \\$

Hence,

CSA of the cylinder = 440 sq. cm

Volume of the cylinder = 1540 cu. cm

8 0

2 years ago

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