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Aleksandr-060686 [28]
3 years ago
15

Find each percent increase or decrease to the nearest percent. From 14 books to 40 books.

Mathematics
1 answer:
dem82 [27]3 years ago
5 0

Answer:

I believe the answer is 185.714% increase

Step-by-step explanation:

hoep this helps!

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Help quick please!!
Korolek [52]

Answer:

Difference of squares:

y^4−25

16x^2−81

Not difference of squares:

20m^2n^2−121

p^8−q^5

Step-by-step explanation:

y^4−25

(y²)² - 5²

16x^2−81

(4x)² - 9²

20m^2n^2−121

20 is not a perfect square

p^8−q^5

q⁵ is not a perfect square

3 0
3 years ago
Given that P = (-4, 11) and Q = (-5, 8), find the component form and magnitude of vector QP
Svetach [21]
The given points are
P = (-4,11)
Q = (-5,8)

The x-component of vector QP is
-4 - (-5) = 1
The y-component of vector QP is
11 - 8 = 3

The vector QP is 
(1,3) or
\vec{QP} = \hat{i} + 3\hat{j}

The magnitude of the vector is
√(1² + 3²) = √(10)

Answer:
\vec{QP} = \hat{i}+3\hat{j} \,\, or \,\, (1,3)
The magnitude is √(10).

8 0
3 years ago
A total of 41 people attended Rayleigh's birthday party. Rayleigh's sister invited some of the guests. If Raleigh invited 19 mor
Keith_Richards [23]

Her sister invited 22 guests. What you have to do to solve this problem is subtract 41-19. We have to do this because Rayliegh invited 19 more people than her sister, but invited a total of 41 people herself. So, to figure out how many people her sister invited we have to know that Rayliegh invited 19 more people and we have to subtract that from the total number she invited to get how many people her sister invited: 22 guests. Can you make me brainliest?

8 0
3 years ago
Read 2 more answers
The price of a visit to the dentist is $50. if the dentist fills any cavities an additional charge of $100 per cavity gets added
klio [65]
100x+50= your answer

For example if 3 cavities are filled you would have to multiply 100(3)+50=350

I hope this helps!
6 0
4 years ago
Which of the following is equal to 4 and 1 over 2 divided by 2 and 2 over 3?
Sphinxa [80]
4 and 1 over 2 times 2 and 3 over 2
4 0
3 years ago
Read 2 more answers
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