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lara [203]
3 years ago
6

Evaluate the double integral. 9xy2 da, d is enclosed by x = 0 and x = 4 − y2 d

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0
Hello,
Please, see the attached files.
Thanks.

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A7-ft ladder is placed against a wall with its base 3 ft from the wall. How high above the ground is the top of the ladder? Roun
Firdavs [7]

Answer:

6.3 feet

Step-by-step explanation:

use pythagorean theorem

a² + b² = c²

a² + 3² = 7²

a² + 9 = 49

Subtract 9 from both side

a² = 40

Take the square root of both sides

a = 6.324555320336759

Rounded

a = 6.3

4 0
3 years ago
Which choice shows the product of 22 and 39?
Yuliya22 [10]

Answer: (22)(39) = 858.

Step-by-step explanation:

Product of a number simply means that one has to multiply the numbers that are given. For example, if a student is told to find the product of 2 and 5, it simply means that 2 × 5 = 10.

Regarding the above question, the product of 22 and 39 is represented by: (22)(39) = 858. It should be noted that 22 × 39 = 858

8 0
3 years ago
Big oof , I’m stuck again lol helpppp
PilotLPTM [1.2K]

Answer: Option B

Step-by-step explanation:

3 0
3 years ago
In a poll taken in December 2012, Gallup asked 1006 national adults whether they were baseball fans: 48% said they were. Almost
Yuki888 [10]

Answer:

0.0259,0.0406

Step-by-step explanation:

Given that in a poll taken in December 2012, Gallup asked 1006 national adults whether they were baseball fans: 48% said they were. Almost five years earlier, in February 2008, only 35% of a similar-size sample had reported being baseball fans.

a) p is the proportion of national adults who are baseball fans.

b) For 2012 poll, p=0.48

Std error = \sqrt{\frac{pq}{n} } \\=\sqrt{\frac{0.48*0.52}{1006} } \\=0.0158

Margin of error at 90% = 1.645 * std error

= 0.0259

c) Margin of error is the admissible limit on either side of the mean where the sample mean can lie

d) Margin of error would be larger for 99% because critical value 2.58 >1.645

e) Margin of error 99% = 2.58*0.0157\\=0.0406

6 0
4 years ago
Someone please answer all of this and put how you find out each answer!! ill give brainly
Elden [556K]

Answer:

triangle= Area is 27

The Rectangle area is 180.

Half circle area is 56.55

Add that for the total area.

Step-by-step explanation:

3 0
3 years ago
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