3 years ago

15x=3x+120 Show answer

Mathematics

2 answers:

inn [45]3 years ago

5 0

15x = 3x + 120 (subtract both sides by 3x)
12x = 120 (divide both sides by 12)
x = 100

julsineya [31]3 years ago

5 0

X=10 thats the answer just go to mathway . com and put your problem in to get your answer

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Tanya [424]

Answer:

$2.50$

Step-by-step explanation:

Given

$(x_1,y_1) = (-1,0.8)$

$(x_2,y_2) = (0,2)$

$(x_3,y_3) = (1,5)$

$(x_4,y_4) = (2,12.5)$

Required

The rate of change (b)

The above graph is represented as:

$y = ab^x$

For: $(x_2,y_2) = (0,2)$ ;

We have:

$y = ab^x$

$2 = a * b^0$

$2 = a *1$

$2 = a$

$a = 2$

For $(x_3,y_3) = (1,5)$ ,

We have:

$y = ab^x$

$5 = a * b^1$

$5 = a * b$

Substitute $a = 2$

$5 = 2 * b$

Divide by 2

$2.5 = b$

$b = 2.5$

<em>Hence, the rate of change is 2.50</em>

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2 years ago

(x - 3)(2x^2 - 5x + 1)

Sunny_sXe [5.5K]

Answer:

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Step-by-step explanation:

Multiply x to all the other factors in the second parenthesis

Multiply -3 to all the other factors in the second parenthesis

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2 years ago

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salantis [7]

Answer:

9.45+189=198.45

Step-by-step explanation:

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2 years ago

Classify the function as linear or quadratic and identify the quadratic, linear, and constant terms. f(x) = (3x + 2)(−6x − 3)

SOVA2 [1]

Believe the answer is d, though I’m not completely sure. hope this helps

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swat32

Answer:

2.5 is the best deal

Step-by-step explanation:

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1 year ago

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