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sergij07 [2.7K]
3 years ago
5

A spinner has 12 equal sectors for different letters for each sector as shown below hamlet spins The spinner five times and it s

tops at the B4 times if he spins The spinner a sixth time what is the theoretical probability that this time it will stop at the letter B
Answers:
1/12
1/10
1/5
1/4
Mathematics
1 answer:
Marina CMI [18]3 years ago
4 0

Answer:

1/12

Step-by-step explanation:

hope this helps

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Step-by-step explanation:

Given

(2x + 3 )² - (2x + 3) (x - 5)

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= 4x² + 6x + 9 - 2x² + 10x - 3x + 15

= 2x² + 13x + 24

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The volume (V) of a sphere is given by the formula
Julli [10]
V=4pi*r^3 /3 volume of sphere
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3 years ago
ABCD-is-a-parallelogram-P-and-Q-are-two-points-on-the-diagonal-BD-such-that-DP-QB-Prove-that-APCQ-is-a-parallelogram?
Amanda [17]

A quadrilateral in which both pairs of opposite sides are parallel is called a <u>Parallelogram</u>

Step-by-step explanation:

A quadrilateral is said to be  parallelogram if

  • If its opposite sides are equal
  • If the  opposite angles are equal
  • If the diagonals bisect each other
  • If  a pair of opposite sides is equal and parallel.

From the question given above

<u>ABCD is a parallelogram and P and Q are points on BD such that</u>

<u>DP=QB</u>

In ΔAPD and ΔCQB,--------------------------(i)

DP = QB (Given)

∠ADP = ∠CBQ (Alternate interior angles)

AD = BC

(Hence it is proved that -Opposite sides of a parallelogram are equal)

so, ΔAPD ≅ ΔCQB    (As per  SAS congruence rule)

 If , ΔAPD ≅ ΔCQB.-------------------------(ii)

AP = CQ               ( by CPCT )

 In ΔAQB and ΔCPD,-----------------------(iii)

BQ = DP (Given)

∠ABQ = ∠CDP (Alternate interior angles)

AB = CD  (Opposite sides of a parallelogram)

so, ΔAQB ≅ ΔCPD                       (As per  SAS congruence rule)

(iv) AQ = CP              (According to  CPCT as ΔAQB ≅ ΔCPD.)

 From (ii)  and (iv) equation ,we can say that

AP=CQ ,

AQ=CP

<u> It is proved that APCQ has equal opposite sides also it has equal opposite angles. </u><u>Hence,APCQ is a Parallelogram</u>

4 0
3 years ago
Janice is going on vacation and needs to leave her dog at kennel. Nguyen’s Kennel charged $15 per day plus $20 for a processing
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Answer:

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Section 7a

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Answer:

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4 is the answer in short

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