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ss7ja [257]
3 years ago
8

Find the measures of the interior angles and write down the steps please help me and ill mark You brainliest!!!

Mathematics
1 answer:
Ostrovityanka [42]3 years ago
4 0

Answer:

135°

Step-by-step explanation:

AFE + FED + ABC + BCD + CDE + FAB = 720° ( Given )

100 + 135+ 110+149+91 + FAE = 720

585 + FAE = 720

FAE = 720- 585 = 135

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andrew-mc [135]

Step-by-step explanation:

The sum of all angles in a triangle is always 180.

So we can set up an equation

3/2x+1/2x+x= 180

3/2+1/2x+2/2x=180

3x+1x+2x=360

6x=360

x=60

4 0
4 years ago
Rico made a function table to illustrate the rate he charges for mowing lawns. Complete the table. Then write a function rule fo
Lesechka [4]
I think the correct answer is C. i hope this helps

7 0
3 years ago
Find the missing number 1:2 = 3:_
Angelina_Jolie [31]
The answer is 6, hope this helped!
4 0
3 years ago
Read 2 more answers
Please help me with this question!
gavmur [86]
First off, let's convert the percentages to decimal format, so our 77% turns to 77/100 or 0.77, and our 55% turns to 55/100 or 0.55 and so on

now, the sum of both salines, must add up to the 77% mixture, let's say is "y"
so, 11 + 4 = y, and whatever the concentration level is, must also sum up to the mixture's concentration of 77%

anyway   thus

\bf \begin{array}{lccclll}
&amount&concentration&
\begin{array}{llll}
concentrated\\
amount
\end{array}\\
&-----&-------&-------\\
\textit{first sol'n}&11&x&11x\\
\textit{second sol'n}&4&0.55&2.20\\
------&-----&-------&-------\\
mixture&y&0.77&0.77y
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
11+4=y\implies 15=\boxed{y}\\
11x+2.2=0.77y\\
----------\\
11x+2.2=0.77\cdot \boxed{15}
\end{cases}

solve for "x"
6 0
4 years ago
Simplify each expression<br>4sg/-5g<br>and<br>(8 + 7a) + 4
Yanka [14]

\dfrac{4sg}{-5g}=-\dfrac{4}{5}\cdor\dfrac{sg}{g}=-\dfrac{4}{5}s\\\\(8+7a)+4=7a+(8+4)=7a+12

5 0
3 years ago
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