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N76 [4]
2 years ago
15

8+12:4-6x2+5 How do u get the answer

Mathematics
1 answer:
wlad13 [49]2 years ago
6 0

Step-by-step explanation:

8 + 12

20

4 - 6 × 2 + 5

use pemdas

4 - 12 + 5

-8 + 5

-3

20:-3

focus on one side at a time

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Question 3 Please. I'm really stuck :(
Stells [14]
Let ∠RTS=∠RST = a (say)
 ∠QUA=∠QSU= b(say)
then we know , at point S, a+40+b=180. so, a+b=140 we'll use this later.

consider trianglePQR, ∠P+∠Q+∠R=180
i.e.P+(180-2b)+(180-2a)=180
P+180+180-2(a+b)=180 ⇒P+180-2(a+b)=0 ⇒P=2(140)- 180=280-180=100
hence,answer is E
7 0
2 years ago
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I have 5 minutes to put the answer in
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Answer:

-8

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Lena [83]

Answer:

40 so C would be your answer.

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2 years ago
the height of a tree was 12 feet. after a year, the tree's height increased 25%. what is the height of the tree after a year
Margaret [11]

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Step-by-step explanation:

7 0
3 years ago
Step 3: Multiply by the scalar (1 over the determinant): Aâ’1 = a11 a12 a21 a22 a11 = a12 = a21 = a22 =
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Answer:

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