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nignag [31]
3 years ago
13

(Mhanifa) please solve this question thank you!

Mathematics
1 answer:
Dima020 [189]3 years ago
8 0

Answer:

  • Option D.

Step-by-step explanation:

The angles forming a straight angle are supplementary.

We have angles APC and DPB forming a straight angle with adjacent angle to both (either angle APD or CPB).

It means the correct choice is D.

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Nancy drove from New York to Boston, a distance of 1144.97 km. She drove with a friend for the first 711.5 km, and then by herse
Eddi Din [679]

Answer:

The answer is (C. 433.47) Hope this helps!!!

Step-by-step explanation:


8 0
3 years ago
Challenge A square pool has volume 3,464 cubic feet and depth 8 feet. A couple builds a fence 3.5 feet high around the
aliya0001 [1]

Answer:

Are they going to build the fence on the edge of the pool?  How are they going to get into the pool?  This question is illogical, however....

Step-by-step explanation:

A square pool is also wierd.

Volume Pool = side × side × depth

Volume Pool / depth = side²                 solve for side

side² = Volume Pool / depth

the fence is 3.5 feet tall

Fencing sqft one side = side × fence height  for ONE side

Total Fencing = 4 × Fencing sqft one side

side² = 3464 ft³ / 8 ft

         = 422 ft²

side  =  √422 ft²

        =  20.54 ft

Fencing area one side  = 20.54 × 3.5

       = 71.899 ft²

Total fencing = 4× 71.899 ft²

      = 287.6 ft²      to the nearest tenth     <--------------------   FINAL ANSWER

8 0
3 years ago
5 - (x + 5) &gt; -2(x + 4)<br> Help please
Ilya [14]
Solving for x :
x > -8
3 0
3 years ago
Développer <br><br> A= (2x-7)(3x+6)-2(2x+4)(2x-8)
nikdorinn [45]
The answer simplified is:



a= —2x^2+7x+22

5 0
4 years ago
Read 2 more answers
3. A company manufactures light bulbs. The average lifetime for these bulbs is 4,000 hours with a standard deviation of 200 hrs.
Kisachek [45]

Answer: the company should promote 4412 hours for these bulbs.

Step-by-step explanation:

Assuming that the lives of the bulbs are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = lifetime of the bulbs in hours.

µ = mean hours

σ = standard deviation

From the information given,

µ = 4000 hours

σ = 200 hours

If only 2% burn out, then the company would promote 98% would meet the claimed lifetime. Looking at the normal distribution table, the z score corresponding to a probability of 0.98 is 2.06. Therefore,

2.06 = (x - 4000)/200

Cross multiplying, it becomes

200 × 2.06 = (x - 4000)

412 = x - 4000

x = 4000 + 412

x = 4412 hours

5 0
4 years ago
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