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Mathematics

2 answers:

inn [45]4 years ago

4 0

Answer:

19) 2.1 times 4.5x

Step-by-step explanation:

sleet_krkn [62]4 years ago

3 0

Answer:

Go outside and look up to the sky and vision you getting the answer right close ur eyes and take a deep breathe then go back to work get the answer than TRUST ME!!!!

Step-by-step explanation:

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Can we help me? guys

bogdanovich [222]

Answer:

a = 3x

b = -6x^2

c = 4

Step-by-step explanation:

to find b we have to multiply (x - 3) with 2x^2

= 2x^3 - 6x^2

b = - 6x^2

to find a

in the second step of division to get -9x

we have to multiply x - 3 with 3x

a = 3x

to find c we have to add next term after x in the first equation that is 4

in equation 8x + 4

so c = 4

5 0

3 years ago

Cual es el valor de A si 900 es el 130% de A

Nana76 [90]

El valor del número A es 692.31.

<h3>Percentage</h3>

The percentage is the given definition for a fraction whose denominator is equal to 100. It is represented by %. See the following example:

$\frac{50}{100} =0.5*100=50%$

The percentage is considered a math tool with several applications and areas, for example: medicine, engineering, investments, supermarkets, drugstores,banks etc.

The exercise asks you the value of A and it gives you the value (900) that represents 130%A. Thus, you should write an equality between the division the percentage and the variable A by 100 with the value 900.

You should follow the steps below.

$\frac{130*A}{100}=900\\ \\ 130A=90000\\ \\ A=\frac{90000}{130} =692.31$