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arlik [135]
3 years ago
11

Can someone help me out with this question as I’m completely stuck

Mathematics
1 answer:
nevsk [136]3 years ago
5 0

Answer:

Step-by-step explanation:

∠BEF = ∠ABE   {Alternate interior angle}

∠BEF = 60

∠EQR = ∠ BEF         {Corresponding angles}

∠EQR = 60

In ΔEQR

∠QER + ∠EQR + ∠ERQ = 180 {angle sum property}

80 + 60 +x = 180

140 + x = 180

          x = 180- 140

x = 40

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Someone please help me with #28 and #30 I got myself super confused.
bogdanovich [222]

<u><em>Question 28:</em></u>

S-2\pi r^2=2\pi rh                     Subtract 2\pi r^2 on both sides

\frac{S-2\pi r^2}{2\pi r} =h         Divide 2\pi r on both sides

<u><em>*(Answer)*=</em></u>  \frac{S-2\pi r^2}{2\pi r} =h


<u><em>Question 30:</em></u>

a*t=v_{1}+v_{0}                  Multiply t on both sides

a*t+v_{0} =v_{1}                 Subtract v_{0} on both sides

<u><em>*(Answer)*=</em></u> a*t+v_{0} =v_{1}

Hope This Helps

BangtanBoyScouts

4 0
3 years ago
Simplify the expression by combining like terms 2x+8-x+10
svp [43]

Answer:

x+18

Step-by-step explanation:

Let's simplify step-by-step.

2x+8−x+10

=2x+8+−x+10

Combine Like Terms:

=2x+8+−x+10

=(2x+−x)+(8+10)

=x + 18

8 0
2 years ago
Write each fraction or mixed number as a number as a decimal 2 3/8
weeeeeb [17]

Answer:

\tt2.375

Step-by-step explanation:

\tt = 2 \frac{3}{8}

\tt =  \frac{8 \times 2 + 3}{8}

\tt =  \frac{19}{8}

\tt = 19 \div 8

\tt = 2.375

3 0
3 years ago
Solve 8[7-(6x-6)]+6x=0
bazaltina [42]

8[7 - (6x - 6)] + 6x  =  0          

 

8[7 - 6x + 6] + 6x  =  0            

56 - 48x + 48 + 6x  =  0        

 

104 - 42x  =  0                       .

 

- 42x  =  - 104                        .

 

x  =  52 / 21

x  ≈  2.476

5 0
3 years ago
Read 2 more answers
A=5<br> 4a-6<br> How much would this be?
max2010maxim [7]
The answer to the equation is 14
4 0
3 years ago
Read 2 more answers
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