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3 years ago

(20 POINTS AND BRAINLIEST ANSWER!!!)

Mathematics

1 answer:

alisha [4.7K]3 years ago

8 0

PICTURE1: They are both 45

PICTURE2: 810

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Solve for x, 5(x - 5) = 4x + 2* Your answer

Tamiku [17]

Answer:

x=27

Step-by-step explanation:

In order to solve for the variable, x, let us first expand the left side to get rid of the parenthesis:

$5*x-5*5 =4x+2\\5x-25=4x+2$

Now, let us get all the variables of x on one side, and all the numerical values on the other in order to isolate the variable, x.

$5x-4x=2+25\\x=27$

I hope this helps! Please let me know if you have any further questions :)

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3 years ago

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Which of the following equations is of a parabola with a vertex at (0, -5)? y = x2 - 5 y = x2 + 5 y = ( x + 5) 2 y = ( x - 5) 2

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3 years ago

What is the reference angle for 202 degrees

hammer [34]

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Step-by-step explanation:

Since the angle 180° is in the third quadrant, subtract 180° from 202°.

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2 years ago

PLEAS HELP ME

GarryVolchara [31]

$\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \stackrel{Table~A}{\begin{array}{ccll} x&y\\ \cline{1-2} 60&48\\70&56\\80&64 \end{array}}~\hspace{7em} \stackrel{Table~B}{\begin{array}{ccll} x&y\\ \cline{1-2} 20&24\\30&36\\40&48 \end{array}} \\\\[-0.35em] ~\dotfill$

$\bf \textit{for table A, we know that } \begin{cases} x=60\\ y=48 \end{cases}\implies 48=k60\implies \cfrac{48}{60}=k \\\\\\ \cfrac{4}{5}=k\qquad therefore\qquad \boxed{y=\cfrac{4}{5}x} \\\\\\ \textit{for table B, we know that } \begin{cases} x=30\\ y=36 \end{cases}\implies 36=k30\implies \cfrac{36}{30}=k \\\\\\ \cfrac{6}{5}=k\qquad therefore\qquad \boxed{y=\cfrac{6}{5}x}$

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3 years ago