3 years ago

1.

Mathematics

1 answer:

katrin2010 [14]3 years ago

4 0

Point slope and it would be y=2x-5

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Find the measure of the central angle of the circle if the Area of the sector is 120 square cm. and the radius is 6 cm.

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3 years ago

Simplifly 3x + 2 – 3x + 7 +5x and find the coefficient in the simplified expression

Daniel [21]

Answer:

3x + 2 - 3x + 7 + 5x = 5x + 9

Step-by-step explanation:

The coefficient is 5.

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3 years ago

Help me answer this please

Ber [7]

$66 = (2x - 1) \times (x - 1) \\ 66 = 2 {x}^{2} - 3 + 1 \\ 65 - 2 {x}^{2} + 3x = 0 \\ - 65 + 2 {x}^{2} - 3x = 0 \\ 2 {x}^{2} + 10x - 13x - 65 = 0 \\ 2x \times (x + 5) - 13 \times (x + 5) = 0 \\ (x + 5) \times (2x - 13) = 0 \\ \\ x + 5 = 0 \\ 2x - 13 = 0 \\ \\ x = - 5 \\ x = \frac{13}{2} \\ \\$

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3 years ago

Find the percent of change. Round to the nearest tenth of a percent if necessary.

Rom4ik [11]

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Answer:

100%

Step-by-step explanation:

The percentage change can be computed from ...

pct change = ((new value)/(old value) -1) × 100%

= ((1/2)/(1/4) -1) × 100%

= (2 -1) × 100%

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The increase by 1/4 from 1/4 to 1/2 is an increase of 100%.

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3 years ago

Which of the following is an arithmetic sequence

kodGreya [7K]

Answer:

First one.

-3 is added to the previous term.

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