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3 years ago

8th grade math. Pls help. I'll mark Brainliest

Mathematics

1 answer:

irina1246 [14]3 years ago

4 0

Answer:

3/4

Step-by-step explanation:

y = 3/4x + (-2)

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74°. 2x° what is the value of x

horrorfan [7]

Answer:

2x-7

Step-by-step explanation:

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3 years ago

Please simplify n-2/n^2-4

Doss [256]

Answer:

$\frac{1}{ {n} + {2}}$

Step-by-step explanation:

$\frac{n - 2}{ {n}^{2} - 4} \\ \\ = \frac{n - 2}{ {n}^{2} - {2}^{2} } \\ \\ = \frac{n - 2}{ ({n} + {2})({n} - {2})} \\ \\ = \frac{1}{ {n} + {2}} \\$

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3 years ago

PLEASE HELP<br><br> FIND THE LENGTH OF RS.

Gwar [14]

Answer:

Step-by-step explanation:

Distance between 2 points

$= \sqrt{(x1 - x2)^{2} + (y1 - y2)^{2} }$

☆ (x₁, y₁) is the first coordinate while (x₂, y₂) I'd the second coordinate.

Length of RS

$= \sqrt{ {[ - 1 -( - 4)] }^{2} + (9 - 1)^{2} } \\ = \sqrt{( - 1 + 4)^{2} + 8^{2} } \\ = \sqrt{ {3}^{2} + 64 } \\ = \sqrt{73} \\ = 8.54 \: (3 \: s.f.)$

Thus, RS is about 8.5 units.

8 0

3 years ago

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!!!!!!!!!!!HELP ASAP!!!!!!!

stepladder [879]

Answer:

x = -33

Step-by-step explanation:

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2 years ago

Read 2 more answers

Decrease £1200 by 25%

gayaneshka [121]

Ok well...
1200 times .25 is 300 so subtract 1200-300= 900 is the decreased number :)

Hope it helps! :)

6 0

3 years ago