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Lana71 [14]
3 years ago
9

NUMBERS #31-38 //I NEED CHECKED!!!SOMEONE HELP ME PLEASEEE ❤️

Mathematics
1 answer:
Nikolay [14]3 years ago
7 0
The answer to the questions.

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The perimeter of triangle ABC is given by the expression 3x2 - 7x + 2.
VladimirAG [237]

Answer:

<em>Perimeter of ABC = AB + BC+AC. Replace letters with equations.</em>

<em>3x^2-7x+2</em><em> = </em><u><em>2x^2-10x+6 + x^2-x-4 + AC</em></u><em> = </em><em>3x^2-11x+2 + AC</em><em>.</em>

<em>AC = 4x;</em>

3 0
3 years ago
Read 2 more answers
Can someone help me with this?
Vinil7 [7]
U can refer to the picture that I’ve attach below

8 0
1 year ago
PLZZZZ HELP What is the slope of a line that is perpendicular to a line whose equation is 3y=−4x+2 ?
earnstyle [38]

\bf 3y=-4x+2\implies y=\cfrac{-4x+2}{3} \\\\\\ y=\stackrel{\stackrel{slope}{\downarrow }}{-\cfrac{4}{3}}x+\cfrac{2}{3}\impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}


so the slope of that line above is really -4/3, now


\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-\cfrac{4}{3}}\qquad \qquad \qquad \stackrel{reciprocal}{-\cfrac{3}{4}}\qquad \stackrel{negative~reciprocal}{+\cfrac{3}{4}\implies \blacktriangleright \cfrac{3}{4} \blacktriangleleft}}

6 0
3 years ago
Given the equation 9x+3/4 y=6 and 2x+1/2 y=9, by what factor would you multiply the second equation to eliminate y and solve the
anyanavicka [17]
To eliminate a cariable in a system of equations, we multiply the variable by a factor that will make both coefficients of the variable to be equal.
Thus, we multiply the coefficient of y in the second equation by a factor that will make it equal to the coefficient of y in the first equation. i.e. multiply 1/2 by a factor that makes it equal to 3/4. and the factor is 3/2.
Therefore, the third option is the correct answer.
5 0
3 years ago
What is the probability that the first chip is unacceptable, and the second is acceptable? round the answer to four decimal plac
lora16 [44]
??????????????????????????????????????????????????????????
3 0
3 years ago
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