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Darina [25.2K]
3 years ago
13

I need help plz !!!!!!!!!!!!!

Mathematics
1 answer:
Mumz [18]3 years ago
3 0
Angle A is 73 degrees. 

This can be found by using the values for both angles and setting them equal to 180. Since they are alternating interior angles of intersections of parallel lines, they must equal 180. 

6x - 35 + 3x + 53 = 180
9x + 18 = 180
9x = 162
x = 18

Since x = 18 we can place that into the equation for angle A in order to find it's value alone. 

6x - 35
6(18) - 35
108 - 35
73
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3 years ago
Plis help me thank you first one to reply gets brainless
FromTheMoon [43]

1: 0.46

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8 0
3 years ago
What is 5/4x+6? It’s an algebra operation
Jlenok [28]
Well x is going to be 7 1/4. have a great day and hoped that helped!
5 0
4 years ago
if my grade in math is a 51.32% and I get at least a 70% on my test. What percentage will my grade go up too? ( test are worth 4
bazaltina [42]
Keeping in mind that 70% of anything is 70/100 * anything, thus

\bf \begin{array}{ccll}
\stackrel{percentage}{points}&\stackrel{test}{completed}\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
45&1\\\\
x&\frac{70}{100}
\end{array}\implies \cfrac{45}{x}=\cfrac{1}{\frac{70}{100}}\implies \cfrac{45}{x}=\cfrac{\frac{1}{1}}{\frac{7}{10}}
\\\\\\
\cfrac{45}{x}=\cfrac{1}{1}\cdot \cfrac{10}{7}\implies \cfrac{45}{x}=\cfrac{10}{7}\implies \cfrac{45}{x}=\cfrac{10}{7}\implies \cfrac{45\cdot 7}{10}=x
\\\\\\
\cfrac{63}{2}=x\implies \boxed{31.5=x}

so, you get that many percentage points, now... add that to 51.32.
7 0
3 years ago
If a² = 7/36, then a is <br> a) Rational b) irrational c) whole number d) integer
Mkey [24]

9514 1404 393

Answer:

  b) irrational

Step-by-step explanation:

  a² = 7/36 . . . . . . given

  a = (√7)/(√36) = (√7)/6

7 is not a perfect square integer, so √7 is irrational. Dividing it by an integer does nothing to make 'a' rational. <em>a</em> is irrational.

4 0
3 years ago
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