3 years ago

Question 3 of 8 Which of the symbols correctly relates the two numbers below? Check all that apply. 19 ? 20

Mathematics

1 answer:

levacccp [35]3 years ago

7 0

Answer:

a and d

Step-by-step explanation:

it has a ratio comparison

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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:

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

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3 years ago

What's a proportion of 15/3

erastova [34]

Answer:

5/1 or 5

Step-by-step explanation:

i hope this helps :)

3 0

3 years ago

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Can you guys help me with 15 please?!!!!!!

diamong [38]

B

Because first “reduce” both sides of the top equation by the same to simplify it. See what both sides have in common.

They both have 3 long rectangles and 2 Sm. Squares.

That leaves, 2 long rectangles = 6 squares.
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3 years ago

Point M is between points N and O on NO. Find the length of NM if MO=12.3 and NO=26.9

steposvetlana [31]

MN would be 14.6 because you subtract the other two numbers

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3 years ago

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Need help dont know how to do it need explanation aswell

nasty-shy [4]

CA: -a+a

AB: b+a