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ohaa [14]
2 years ago
6

the diagram shows a circle of radius 3cm drawn inside a square.write down the exact value of the following and state whether the

answer is rational or not
Mathematics
1 answer:
rewona [7]2 years ago
5 0

Answer:

The circumference of the circle

Step-by-step explanation:

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21. The​ solution(s) is/are b =<br><br>Please help me solve this
Reil [10]

Answer:

<u>b = -4, 0</u>

Step-by-step explanation:

<u>Given</u> :

  • b² + 4b = 0

<u>Take b as a common factor.</u>

  • b(b + 4) = 0

<u>Solutions</u>

  • b = 0
  • b + 4 = 0 ⇒ b = -4
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6 0
2 years ago
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Can a negative sign be used to describe a dilation?
hichkok12 [17]

Answer:

Not on a coordinate plane

Step-by-step explanation:

We must use absolute value because lengths should always be positive you cannot have a negative length or distance.

4 0
3 years ago
Please help! Due tonight!
Kay [80]

Answer:

B. 6,8,10

Step-by-step explanation:

to find a right triangle the equation: a^2 + b^2 = c^2, so just plug each number in to see.

6^2 + 8^2 = !0^2

36 + 64 = 100

100 = 100

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3 0
2 years ago
Algebra help please
leva [86]
The value of a would be 4.2, because the negatives cancel out each other.
4 0
3 years ago
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
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