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2 years ago

Mr. Castillo spent $20.00 of the $40.00 in his wallet. Which decimal represents the fraction of the $40.00 Mr. Castillo spent?

Mathematics

1 answer:

NNADVOKAT [17]2 years ago

3 0

Answer:

0.5

Step-by-step explanation:

hope that helps

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Heidi solved the equation 3(x + 4) + 2 = 2 + 5(x – 4). Her steps are below: 3x + 12 + 2 = 2 + 5x – 20 3x + 14 = 5x – 18 14 = 2x

konstantin123 [22]

First, she distributed $3*x=3x , 3*4=12, 5*x= 5x, 5* -4= -20$
Which gave her $3x+12+2=2+5x-20$
Then, she combined like terms $12+2=14 and 2+ -20 = -18$
Which gave her $3x+14=5x-18$
Then, she subtracted $3x$ from both sided
Which gave her $14=2x-18$
Then, she added $18$ to both sides
Which gave her $32=2x$
And finally sh edivided 32 by 2 and got $16=x$
hope this helps if you have any questions please pm me :)

5 0

2 years ago

Read 2 more answers

A. 105 <br> b. 80<br> c. 75 <br> d. 52.5

Anna [14]

Answer:

Step-by-step explanation:

this is because x is vertically opposite to 80

8 0

2 years ago

1. Consider the function f(x) = 5x^3 - 31x^2 - 129x + 27

NeX [460]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

1.- f(x) = 5x³ - 31x² - 129x + 27

a) f(9) = 5(9)³ - 31(9)² - 129(9) + 27

f(9) = 5(729) - 31(81) - 1161 + 27

f(9) = 3645 - 2511 - 1161 + 27

f(9) = 0

b.- I will use synthetic division

5 - 31 -129 + 27 9

45 126 -27

5 14 -3 0

Trinomial = 5x² + 14x - 3

Factor 5x² + 15x - 1x - 3

5x(x + 3) - 1(x + 3)

b) (x + 3)(5x - 1)

x₂ + 3 = 0 5x₃ - 1 = 0

x₂ = -3 x₃ = 1/5

c) The roots are x₁ = 9, x₂ = -3 and x₃ = 1/5

2.- f(x) = 3x² + 2x - 8 factor = 3x - 4

x + 2

3x - 4 3x² + 2x - 8

-3x² + 4x

0 +6x - 8

-6x + 8

0 Remainder

As the remainder was "0", 3x - 4 is a factor of 3x² + 2x - 8

3 0

3 years ago

What is the fraction 36/48 in simplest form

lbvjy [14]

3/4 is the simplest form

7 0

3 years ago

Read 2 more answers

What is 52 divided by 8

Ivanshal [37]

The answer is 6.5 Hope this helps

4 0

3 years ago