3 years ago

HELP ME ASAP PLS

Mathematics

1 answer:

Alla [95]3 years ago

6 0

The vertex point is (0,4)
The two other points are (-2,0)(2,0)

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Coefficient of x^2 in the expansion of (x-3)^3

Mila [183]

Answer:

$-9$

Step-by-step explanation:

$(x-3)(x-3)(x-3)$

$(x^2-6x+9)(x-3)$

$x^3-9x^2+27x-27$

Therefore, the coefficient of $x^2$ is $-9$ .

7 0

3 years ago

Read 2 more answers

5x + 6(x - 2) - 8 (x - 3)

Alex Ar [27]

Answer:

The value of $x=-4$ . The figure is also attached below.

Step-by-step explanation:

Considering the expression

$5x + 6(x - 2) - 8 (x - 3)$

If we have to find the vale of $x$ , then

$5x + 6(x - 2) - 8 (x - 3)=0$

$5x+6x-12-8\left(x-3\right)=0$

$5x+6x-12-8x+24=0$

$3x+12=0$

$\mathrm{Subtract\:}12\mathrm{\:from\:both\:sides}$

$3x+12-12=0-12$

$3x=-12$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3x}{3}=\frac{-12}{3}$

$x=-4$

Therefore, the value of $x=-4$ . The figure is also attached below.

Keywords: equation

Learn more about equation solution from brainly.com/question/13678520

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5 0

4 years ago

Please I need help with these questions

gavmur [86]

It is 4.............4.............4

4 0

3 years ago

Read 2 more answers

Round to the nearest hundredth please answer I really need it

iVinArrow [24]

<h3>Answer: 35.54 degrees</h3>

How I got this answer:

tan(angle) = opposite/adjacent

tan(A) = BC/AC

tan(A) = 5/7

A = arctan(5/7) .... apply the inverse tangent, same as arctangent

A = 35.5376778 ... make sure your calculator is in degree mode

A = 35.54 .... rounding to two decimal places

8 0

3 years ago

In scientific notation, 3.0 × 10 to the -5 power + 0.0000022 =

Helga [31]

3*10⁻⁵ + 0.0000022

= 0.00003 + 0.0000022 = 0.0000322

= <span>0.0000322 = 3.22 * 10</span>⁻⁵

7 0

3 years ago