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enot [183]
3 years ago
6

Help it was due 5 min ago :((((( (show all your work)

Mathematics
2 answers:
nevsk [136]3 years ago
7 0
X = 90
ALSO I LOVE YOUR USER AND PFP!!!!
goblinko [34]3 years ago
5 0
X is 90 because its a right angle
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Can someone help me with this math problem please
Ulleksa [173]

Step-by-step explanation:

As the triangles are similar so,

3/9 = 4/12 = 4.5/k

Taking 3/9 and 4.5/k Then

\frac{3}{9}  =  \frac{4.5}{k}  \\  \: cross \: multiply \\ k \:  =  \frac{9 \times 4.5}{3}  \\ k \:  = 13.5 \\hope \: it \: will \: help

6 0
3 years ago
Simplify (3 × (3 - 9)] + 9​
Pani-rosa [81]
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7 0
3 years ago
Suppose h(t) = -4t^2+ 11t + 3 is the height of a diver above the water (in
Bingel [31]
The diver will hit the water when the height is zero, so we will want to set our height function equal to zero
0 = -4t^2 + 11t + 3
we will then factor to find out value of t that make the function equal to zero
0 = (-4t - 1 ) ( t - 3 )
This means our function equals zero when t = -1/4 s and t = 3 seconds
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4 0
3 years ago
Read 2 more answers
Please help??<br> ??????
Ilia_Sergeevich [38]

<u>Given</u>:

Given that the graph of a line with coordinates (-3,2) and (0,-2)

We need to determine the slope of the line parallel to the given line.

<u>Slope</u>:

The slope of the line can be determined using the formula,

m=\frac{y_2-y_1}{x_2-x_1}

Substituting the coordinates (-3,2) and (0,-2), we have;

m=\frac{-2-2}{0+3}

Simplifying, we get;

m=-\frac{4}{3}

Thus, the slope of the given line is m=-\frac{4}{3}

<u>Slope of the parallel line:</u>

The parallel lines always have the same slope.

Thus, the slope of the parallel line is m=-\frac{4}{3}

Hence, the slope of the parallel line is m=-\frac{4}{3}

Therefore, Option c is the correct answer.

8 0
4 years ago
What are all the rational roots of the polynomial f(x) = 20x4 x3 8x2 x â€"" 12?.
pav-90 [236]

The rational roots of the polynomial given in the question are -4/5 and 3/4.

Given-

Given polynomial function is,

20x^4+x^3+8x^2+x-12

The given polynomial function has the four-degree equation in which the greatest power of the variable is four. Suppose one root of <em>x </em>is 1 to solve it further. So one factor is,

x-1

Rewrite the given equation,

20x^4+8x^2-12+x^3+x

(20x^4+8x^2-12)+(x^3+x)

(20x^4+20x^2-12x^2-12)+(x^3+x)

(4x^2+4)(5x^2-3) +(x^3+x)

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

On the factor above equation, we get.

[4(5x^2-3)+x](x^2+1)

[20x^2-12+x](x^2+1)

On the factor, we get,

(5x+4)(4x-3)(x^2+1)

x=-\dfrac{4}{5} , \dfrac{3}{4}

Hence, the rational roots of the polynomial given in the question are -4/5 and 3/4.

For more about the polynomial, follow the link below-

brainly.com/question/17822016

7 0
3 years ago
Read 2 more answers
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