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Pani-rosa [81]
3 years ago
6

PLEASE HELP I DONT GET THIS QUESTION

Mathematics
1 answer:
umka21 [38]3 years ago
7 0

A Decrease 13%

B Increase 24%

<em>C</em><em> </em><em>n</em><em>ew </em><em>price </em><em>8</em><em>2</em><em>.</em><em>9</em><em>5</em>

D new price is 435

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Thirty-one books are arranged from left to right in order of increasing prices. The price of each book differs by $2 from that o
user100 [1]
The answer for this problem is 2 since it is not specified whether it is adjacent to the right or adjacent to the left.
If it is adjacent to the right, the answer is:

p (k) = 2 * p(1) + 2 * k

If the is adjacent to the left, the answer is:

P (k) = 2 *p(1) +2 * (k-2)
6 0
3 years ago
The dot product of u with itself is 12. What is the magnitude of u?
Brilliant_brown [7]
Dot product is 
a*b = |a|*|b|*cosα.
In our case
u*u =|u|*|u|*cos 0
u*u =|u|*|u|
12=|u|²
|u|=√12=√(4*3)=2√3
Answer: <span>D. 2√3</span>
5 0
3 years ago
PLEASE HELP!! URGENT
tatiyna

Answer:

y=105

Step-by-step explanation:

82+75+x=180

157+x=180

x=23

82+23=y

105=y

4 0
3 years ago
PLEASE HELP!! Will give brainliest if you give explanation!
MArishka [77]
The equation in slope-intercept is   y=0.625x+7.    


y = mx + b

where: 
m is the slope of the line 
b is the y-intercept of the line

The slope m of the line through any two points (x1, y1) and (x2, y2) is given by:

The y-intercept b of the line is the value of y at the point where the line crosses the y axis. Since for point (x1, y1) we have y1 = mx1 + b, the y-intercept b can be calculated by:

b = y1 - mx<span>1.    hope that helped</span>

3 0
3 years ago
Order of Operations
NNADVOKAT [17]

Answer:

1. multiplication

2. divide

3. the group ()

4. the group with multiplication in it

Step-by-step explanation:

GEMS

Groups, Exponents, Multiplication/dividing, Subtraction/Adding

6 0
3 years ago
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