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svp [43]
3 years ago
11

Can anyone help me solve this question

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

9514  1404 393

Answer:

  • a=2√2+4
  • b = 3

Step-by-step explanation:

  √24 = 2√6

  √48 = 4√3

Then the sum is ...

  √24 +√48 = 2√6 +4√3

Factoring out √3, we have ...

  = (2√2 +4)√3

Matching this to the form a√b, we have

  (2√2+4)√3   ⇒   a=2√2+4, b = 3

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GuDViN [60]
Total number of puppies = 12
Where;
Poodles = 3
Terriers = 5
Retrievers = 4

After Rebecca selects a poodle, total number of puppies remaining = 12 -1 =11
Then,
Probability of Aaron selecting a retriever:

P(R) = Number of  retrievers/New total = 4/11

7 0
3 years ago
If triangle ABC is dilated by a scale factor of 2 with a dilation center of A, what will be the coordinates of point b’?
mojhsa [17]

Answer:


In the given figure the sides of triangle measures as follows:


AB= 4 units,


BC= 6 units,


Since triangle ABC is right angled triangle, to find AC we will have to use Pythagorean theorem,


AB² + BC² = AC²


Plugging the values of AB and BC to find AC,


4² + 6² = AC²


16+36=AC²


AC = 7.48


Now if the triangle is dilated by a scale factor of 2, each side will be multiplied by 2 to get the new triangle A'B'C'


side A'B' = 2* AB = 2*4= 8 units


side B'C' = 2* BC = 2*6 =12 units


side A'C' = 2*AC = 2*7.48 = 14.96 units


Perimeter of triangle = sum of three sides


Perimeter of triangle A'B'C' = A'B' + B'C' + A'C'= 8+12 + 14.96 = 34.96 units.


Perimeter of triangle ABC = AB+BC + AC = 4+6+7.48 = 17.48 units.


Perimeter of triangle A'B'C' = 2* Perimeter of triangle ABC


The perimeter of new triangle A'B'C' is 34.96 units which is twice that of triangle ABC.


Answer : A) The perimeter of A'B'C' is 2 times the perimeter of ABC.



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3 years ago
Kim and her 5 friends hiked over a three day weekend hey hiked the same distance each day how many miles did they hike per day?
weeeeeb [17]
Honestly, this would depend how many miles they hiked all together. then you divide it by 3. Until you have the total amount, you don't get a correct answer. 
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3 years ago
PLEASE HELP WILL MARK BRAINEIST
klemol [59]
12.195+9.13=21.325 is the answer
5 0
3 years ago
Read 2 more answers
Broccoli tastes bitter to some people. This bitterness is inherited through the TAS2R38 gene. About 52% of the population has th
Eddi Din [679]

Answer:

271 people

Step-by-step explanation:

Margin of error = critical value × standard error

At 90% confidence, the critical value is 1.645.

Standard error for a proportion is s = √(p (1 − p) / n).

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3 years ago
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