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Sidana [21]
3 years ago
6

Wuestion 19

Mathematics
1 answer:
butalik [34]3 years ago
7 0
25x+30x= 1625
x+y= 60
Put into calculator and you get
x=35 y=25

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Write an inequality that represents this situation
Studentka2010 [4]
What is the situation?
7 0
3 years ago
What is the length of the side of the triangle labeled x?
diamong [38]

Answer:

its an equilateral triangle and so one of the side is 6

so to find the answer you should multiply one side into 3

                                                                      =3 x side

                                                                       =6 x 3

                                                                       = 18

Step-by-step explanation:

mark as brainliest

thank me

4 0
3 years ago
Read 2 more answers
Which of the equations below could be the equation of this parabola?
nirvana33 [79]

Answer:

 y=-4x^2  is the equation of this parabola.

Step-by-step explanation:

Let us consider the equation

y=-4x^2

\mathrm{Domain\:of\:}\:-4x^2\::\quad \begin{bmatrix}\mathrm{Solution:}\:&\:-\infty \:

\mathrm{Range\:of\:}-4x^2:\quad \begin{bmatrix}\mathrm{Solution:}\:&\:f\left(x\right)\le \:0\:\\ \:\mathrm{Interval\:Notation:}&\:(-\infty \:,\:0]\end{bmatrix}

\mathrm{Axis\:interception\:points\:of}\:-4x^2:\quad \mathrm{X\:Intercepts}:\:\left(0,\:0\right),\:\mathrm{Y\:Intercepts}:\:\left(0,\:0\right)

As

\mathrm{The\:vertex\:of\:an\:up-down\:facing\:parabola\:of\:the\:form}\:y=a\left(x-m\right)\left(x-n\right)

\mathrm{is\:the\:average\:of\:the\:zeros}\:x_v=\frac{m+n}{2}

y=-4x^2

\mathrm{The\:parabola\:params\:are:}

a=-4,\:m=0,\:n=0

x_v=\frac{m+n}{2}

x_v=\frac{0+0}{2}

x_v=0

\mathrm{Plug\:in}\:\:x_v=0\:\mathrm{to\:find\:the}\:y_v\:\mathrm{value}

y_v=-4\cdot \:0^2

y_v=0

Therefore, the parabola vertex is

\left(0,\:0\right)

\mathrm{If}\:a

\mathrm{If}\:a>0,\:\mathrm{then\:the\:vertex\:is\:a\:minimum\:value}

a=-4

\mathrm{Maximum}\space\left(0,\:0\right)

so,

\mathrm{Vertex\:of}\:-4x^2:\quad \mathrm{Maximum}\space\left(0,\:0\right)

Therefore,  y=-4x^2  is the equation of this parabola. The graph is also attached.

7 0
3 years ago
From the following figure, find the value of ∠AOC and ∠BOC?
g100num [7]

Step-by-step explanation:

paki ayos (*ˊᗜˋ*)ᵗᑋᵃᐢᵏ ᵞᵒᵘ sa pts

8 0
3 years ago
16-z=12 solve equation​
sammy [17]

z=4

16-4=12

esta es la respuesta

7 0
3 years ago
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