3 years ago

Hello please help i’ll give brainliest if you give a correct answer

Mathematics

1 answer:

Brrunno [24]3 years ago

3 0

Answser:

It's the first one

Step-by-step explanation:

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on a map 2 centimeters represents 150 kilometers if a line between two cities measures 5 centimeters how many kilometer apart ar

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Answer:

375 kilometers

Step-by-step explanation:

1cm = 75kilometers(150÷2= 75)

2cm = 150kilometers

75×5= 375kilometers

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4 years ago

An equation has solutions of m = –5 and m = 9. Which could be the equation? (m + 5)(m – 9) = 0 (m – 5)(m + 9) = 0 m2 – 5m + 9 =

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4 years ago

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Divide £48 in the ratio of 7:5

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It would be 28:20
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4 years ago

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(x-4)/(2x+1)-3 can you help me with this question

lilavasa [31]

Answer:

$\frac{(x - 4)}{(2x + 1)} - 3$ $=$ $\frac{-7x- 7}{3x + 1}$

Step-by-step explanation:

Given

$\frac{(x - 4)}{(2x + 1)} - 3$

Required

Solve

Express 3 as a fraction

$\frac{(x - 4)}{(2x + 1)} - \frac{3}{1}$

Take LCM

$\frac{x - 4 - 3(2x + 1)}{3x + 1}$

$\frac{x - 4 - 6x - 3}{3x + 1}$

Collect Like Terms

$\frac{x - 6x- 4 - 3}{3x + 1}$

Simplify like terms

$\frac{-7x- 7}{3x + 1}$

Hence:

$\frac{(x - 4)}{(2x + 1)} - 3$ $=$ $\frac{-7x- 7}{3x + 1}$

4 0

3 years ago