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Arturiano [62]
2 years ago
11

Find the percent increase. Round to the nearest percent. From 97 books to 120 books.

Mathematics
2 answers:
MrRa [10]2 years ago
8 0

Answer:

24%

Step-by-step explanation:

percentage change = change/original x 100

120-97 = 23

23/97 x 100 = 24%

V125BC [204]2 years ago
8 0

Answer:

19% increase

Step-by-step explanation:

Divide 97/120, then multiply it by 100. After that, you can subtract the answer by 100. The answer will be negative, so make it positive.

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Evaluate -4 +(-3) - (-2)
melomori [17]

Answer:

-5

Step-by-step explanation:

-4+(-3)-(-2)

-4-3+2

-7+2

-5

3 0
3 years ago
Read 2 more answers
How many solutions does the linear system below have? -8x+2y=6 and -4x+y=3
Verizon [17]

Answer:

Step-by-step explanation:

Try dividing the first equation by 3.  The result will be identical to the second equation.  Thus, we have two lines that coincide, and therefore there are an infinite number of solutions.

7 0
2 years ago
Solve the following inequality: 3-5x-x^2>=0
Dennis_Churaev [7]

Answer:

-5/2+-1/2√37≤x≤-5/2+1/2√37

Step-by-step explanation:

Step 1: Find the critical points

-x^2-5x+3=0

For this equation: a=-1, b=-5, c=3

−1x^2+−5x+3=0

x=−b±√b2−4ac/2a

x=−(−5)±√(−5)2−4(−1)(3)/2(-1)

x=5±√37 /−2

x=-5/2+1/2√37

Step 2: Check intervals in between critical points

x≤-5/2+1/2 √37 (Doesn't work in original inequality)

-5/2+-1/2√37≤x≤-5/2+1/2√37 (Works in original inequality)

x≥-5/2+1/2 √37 (Doesn't work in original inequality)

5 0
3 years ago
Help<br> Please I need hekp
AlekseyPX

Answer:

86

Step-by-step explanation:

6 0
2 years ago
What is the trigonometric ratio for sin C ?<br><br> Enter your answer, as a simplified fraction.
Contact [7]
By definition we have to:
 Sin (x) = C.O / h
 Where,
 x = angle
 C.O = opposite leg
 h: hypotenuse.
 Substituting values we have:
 Sin (C) = AB / 82
 We should look for AB. For this, we use the following relationship:
 AB ^ 2 + 80 ^ 2 = 82 ^ 2
 Clearing AB:
 AB = root ((82 ^ 2) - (80 ^ 2))
 AB = 18
 Substituting we have:
 Sin (C) = 18/82
 Simplifying:
 Sin (C) = 9/41

 Answer:
 
the trigonometric ratio for sin C is:
 Sin (C) = 9/41
5 0
3 years ago
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