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2 years ago

Fill in the blank so that the ordered pair is a solution of y = 9x – 9. ( __ ,63)

Mathematics

1 answer:

Nezavi [6.7K]2 years ago

5 0

Answer:

(8, 63)

Step-by-step explanation:

Substitute 63 for y and solve for x. x =8.

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If you complete the square for the equation 3x2 - 5x = 2, the answer is ( x + 5/6 )2 = 97/36.

Ray Of Light [21]

Answer:

True

Step-by-step explanation:

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3 years ago

What’s the answer ?

In-s [12.5K]

Answer

one answer can be x = 30

Step-by-step explanation:

triangle needs to be 180 so if xy are the shortest they can be equal so z can be 120

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2 years ago

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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

$\\$

To Find:

Curved surface area
Volume

$\\$

Solution:

$\\$

Using formula:

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

<em>Substituting the required values: </em>

$\\$

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

Now,

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

<em>Substituting the required values, </em>

$\\$

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

Hence,

CSA of the cylinder = 440 sq. cm

Volume of the cylinder = 1540 cu. cm

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2 years ago

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What’s 800 in scientific notation

Umnica [9.8K]

Answer:

800 in scientific notation

8 * 10²

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3 years ago

(7×25)+(7×12) in a shorter way

Galina-37 [17]

Answer:

Th answer is 175 + 84 =259

Step-by-step explanation:

follow the PEMDAS procedure multiply in the parentheses then add your 2 answers

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3 years ago