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Murljashka [212]
3 years ago
5

Bracket is necessary in order of operations​

Mathematics
2 answers:
Makovka662 [10]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

they are necessary

dexar [7]3 years ago
5 0

Answer:

yeah they are necessary in fact they are the first when you use BODMAS

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Can someone please help with #16
ollegr [7]

Answer:

∠ WZX = 50°

XW is not an altitude.

Step-by-step explanation:

16. See the attached figure.

XW is the angle bisector of ∠ YXZ, hence, ∠ WXY = ∠ WXZ

Now, given that ∠ YXZ = 8x + 34 and ∠ WXY = 10x - 13

Hence, ∠ YXZ = 2 ∠ WXY

⇒ 8x + 34 = 2(10x - 13)

⇒ 8x + 34 = 20x - 26

⇒ 12x = 60

⇒ x = 5.

Hence, ∠ XZY = ∠ WZX = 10x = 50° (Answer)

Now, ∠ WXZ = ∠ WXY = 10x - 13 = 37°

Hence, from Δ WXZ,

∠ WZX + ∠ WXZ + ∠ XWZ = 180°

⇒ 50° + 37° + ∠ XWZ = 180°

⇒ ∠ XWZ = 93° ≠ 90°

Hence, XW is not an altitude. (Answer)

6 0
3 years ago
Can someone please help on this problem and how it is done? Picture is attached. Thank you​
Vikki [24]
The angle passes 90 degrees plus an additional 55 degrees
m
5 0
2 years ago
Please help me i rlly need help lol i have to written
MissTica
Take the picture clearly because I can’t read nothing
6 0
2 years ago
Solve equation 3x+3y+6z-15w=9​
Allushta [10]

Answer:

The equation is already solved.

8 0
2 years ago
Read 2 more answers
What is 16 out of 24 as a grade
Dominik [7]
16 out of 24 would equal around 67%, and that as a grade would be a D.
However, grades MAY vary from school to school.
But on average:
A= 100 through 90, B= 89 through 80, C= 79 through 70, D= 69 through 60, and an F= 59 and below that.
Keep in my mind that if your grade has digits after the decimal, it will be rounded (in your case) and that may also change your grade, for example if your grade is 79.7%, then it will be rounded to 80%, and your grade will be a B.
6 0
3 years ago
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