3 years ago

HELP ME PLEASE !!!!!!!!

Mathematics

1 answer:

ddd [48]3 years ago

8 0

Answer:

add words please

Step-by-step explanation:

i cant understand that ppic

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(-6.7x 2 + 2.3x y + 5.2) - (-14.9x 2 - 3.5x y + 7.1)

Kruka [31]

9.6x^2 + 5.8xy - 2.1

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4 years ago

Simplify this expression: 5(2x² + 2x + 4) - 3x(x + 2) * ill give brainliest :)

inysia [295]

Answer:
7x2 + 4 x + 20

Step-by-step explanation:

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2 years ago

The price of a sweater was reduced from $25 to &19. By what percentage was the sweater reduced by?

JulijaS [17]

Answer:

24%

Step-by-step explanation:

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3 years ago

A rental car costs $65 for one day plus an additional $0.35 per mile.

vredina [299]

Answer:

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Step-by-step explanation:

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Have a great day!

5 0

3 years ago

Read 2 more answers

Solve |5x+30|=10x ......

Orlov [11]

Answer:

Option A

Step-by-step explanation:

We need to solve out ,

$\implies |5x + 30| = 10x$

We can write it as ,

$\implies 5x + 30 = \pm 10x$

On simplyfing further,

$\implies 5x + 30 = 10x \quad or \quad 5x +30=-10x$

On solving the above equation , we will get ,

$\implies \boxed{ x = 6,-2}$

Now we know that the value of modulus is never negative so when we will put x is equal to 2 on the RHS we will get -20 which is not possible . Therefore , the extraneous root is -2 .

Option A is correct .

5 0

3 years ago