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3 years ago

19 times 15 with estimating

Mathematics

1 answer:

VladimirAG [237]3 years ago

3 0

284....................

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Graph f(x)=4x^3-4x-2

maw [93]

Answer:

minimum: ( $\frac{\sqrt{3} }{3} , -\frac{8\sqrt{3} }{9}-2$ )

maximum: (- $\frac{\sqrt{3} }{3} , \frac{8\sqrt{3} }{9}-2$ )

vertical intercept: (0 , -2)

Step-by-step explanation:

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2 years ago

Solve the proportion:<br> -9/6 = 3/x

hichkok12 [17]

Answer:

-2

Step-by-step explanation:

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3 years ago

Ramon earns $1,735 each month and pays $53.10 on electricity. To the nearest tenth of a percent, what perfect of ramons earnings

Alenkinab [10]

Answer:

$\boxed{3.1 \, \%}$

Step-by-step explanation:

The formula for calculating percentage is

$\text{Percentage} = \dfrac{\text{Part}}{\text{Whole}} \times 100 \, \%$

The "part" is the electricity payment.

The "whole" is Ramon's earnings.

$\begin{array}{rcl}\text{\% of earnings} & = & \dfrac{53.10}{1735} \times 100 \, \% \\\\& = & \mathbf{3.1 \, \%}\\\end{array}\\\boxed{\mathbf{3.1 \, \%}} \text{ of Ramon's earnings are on electricity}$

5 0

3 years ago

1. Find a if x³ + ax² - x -8 is divisible by x -1

Amanda [17]

Answer:

a = 8

Step-by-step explanation:

x-1 = 0

x = 1

let x³ + ax² -x -8 be p(x)

hence, p(1) = (1)³ + a(1)² -1 -8 = 0 (since, x-1 is a factor)

= 1 + a - 1-8

= a - 8 = 0

therefore, a = 8

6 0

2 years ago

Pls help it’s due soon and I’m failing :(

romanna [79]

Answer:

Slope is 2/3

Y-intercept is (0, 0)

Step-by-step explanation:

y = mx + b

m = slope

b = y-intercept

y = 2/3x

5 0

2 years ago

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