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Paha777 [63]
3 years ago
7

Simplifying expressions with negative exponents calculator

Mathematics
1 answer:
Marizza181 [45]3 years ago
3 0
Use the website:     mathpapa.com/algebra-calculator.html
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For geometry:(<br><br> i’ll give a brainist!!!
kvasek [131]
<h3>Answer: Angle Q = 133 degrees</h3>

========================================================

Work Shown:

Recall that for any triangle, the three angles always add to 180

P+Q+R = 180

(x+13) + (10x+13) + (2x-2) = 180

(x+10x+2x) + (13+13-2) = 180

13x+24 = 180

13x = 180-24

13x = 156

x = 156/13

x = 12

Now that we know x, we can find the angle measures

  • angle P = x+13 = 12+13 = 25 degrees
  • angle Q = 10x+13 = 10*12+13 = 120+13 = 133 degrees
  • angle R = 2x-2 = 2*12-2 = 24-2 = 22 degrees

As a way to check if we have the right answer or not, we see that,

P+Q+R = 25+133+22 = 180

So the answer is confirmed.

4 0
3 years ago
Can someone please help me with this? Thank you &lt;33
Mekhanik [1.2K]

Answer:

12

Step-by-step explanation:

4 0
3 years ago
HELP ASAP
pantera1 [17]

Answer:

NO se sorry presta atención para que no andes preguntas

4 0
3 years ago
What is the solution to the system of equations below?<br> y = 3x + 9<br> y = -3x + 12
Elena L [17]

Answer:

21

Step-by-step explanation:

y = 3x + 9

y = -3x + 12

y=21

7 0
3 years ago
Read 2 more answers
(-8)x...x(-8) times 20
Stella [2.4K]

Answer:

1280

Step-by-step explanation:

rewrite (-8) times (-8) as an equivalent addition problem which is 8 times 8 = 64

take 64 then times it by 20 which is 64 times 20 equals 1,280

Hope this helps:)

6 0
3 years ago
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