Please help me now plz I promise I will mark you brainliest

Mathematics

1 answer:

miskamm [114]3 years ago

6 0

Answer:

It should be 72 degrees

Step-by-step explanation:

angle j and h are the same so you just add 63 to 45 and once you get 108, just subtract that from 180 degrees which is the full measure of the triangle.

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The polygons are similar. Find the value of the variable. 30 points

stealth61 [152]

Answer:

D (9)

Step-by-step explanation:

2 was one unit apart from 3 and the from the 6 polygon with the 2 is 3 times the 2 and since it is 3 times 2 variable has to be 3 times 3 which is 9 (D).

8 0

3 years ago

Which expression is equivalent to 2(c+7)-18x+4/5

mestny [16]

Answer:

2c - 18x + 74/5

Step-by-step explanation:

Step 1: Distribute

2(c + 7) - 18x + 4/5

(2 * c) + (2 * 7) - 18x + 4/5

2c + 14 - 18x + 4/5

Step 2: Combine like terms

2c + 14 - 18x + 4/5

2c - 18x + 74/5

Answer: 2c - 18x + 74/5

3 0

4 years ago

Given the trinomial 2x2 + 4x − 2, what is the value of the discriminan

Tju [1.3M]

$\bf \qquad \qquad\textit{discriminant of a quadratic}
\\\\\\
\stackrel{\stackrel{a}{\downarrow }}{2}x^2\stackrel{\stackrel{b}{\downarrow }}{+4}x\stackrel{\stackrel{c}{\downarrow }}{-2}
~~~~~~~~
\stackrel{discriminant}{b^2-4ac}~\hspace{3em}\implies 4^2-4(2)(-2)\implies 16+16
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
~\hfill 32~\hfill$