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AfilCa [17]
3 years ago
15

Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 13 are wearing jackets and 7 are not

. What is the experimental probability that the next person to enter the store will be wearing a jacket?
Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
6 0
Maybe 1.857, if not the question is wrong
Masteriza [31]3 years ago
3 0

Answer:

13/20

Step-by-step explanation:

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NEED ASAP!! ILL GIVE YOU 30 points!!
scoundrel [369]

Answer:

X+Y is greater then or equal to 8

Step-by-step explanation:

In total she wants to sell <u>at le</u><u>ast</u> 8 items which implies shes willing to sell more (so greater or equal to) then it's adding X+Y bc those are the items that she is selling

5 0
3 years ago
Two students, Matt and Billy , each calculated the volume of a spherical ball with a dime tee of 15 centimeters. Their work is s
Aleksandr-060686 [28]

Answer:

Matt ;

Used diameter of the ball instead of Radius

Step-by-step explanation:

The volume of a sphere is given as :

4/3πr³

Radius, r = diameter / 2

Given that, the diameter = 15 cm ; The Radius = 15 / 2 = 7.5 cm

Matt made an error in his calculation by failing to covert the value of the diameter given to Radius.

By dividing the diameter by 2 = 15 / 2 = 7.5, we obtain the Radius, which is what Billy did in her own calculation.

7 0
2 years ago
Algebraic expression<br>10 more than twice c score
m_a_m_a [10]
C2+ 10

Twice = multiply by two
10 more than = add ten

Hope this helps!
5 0
3 years ago
Find a common multiple between 30 and 42 that is bigger than them.
Wittaler [7]

Answer:

210

Step-by-step explanation:

GCF(30,42) = 6

LCM(30,42) = ( 30 × 42) / 6

LCM(30,42) = 1260 / 6

LCM(30,42) = 210

6 0
3 years ago
Read 2 more answers
PLEASE HELP I WILL MARK BRAINLIST
lorasvet [3.4K]

Answer:

x³ - 8x² - 20x

Step-by-step explanation:

Zeroes: 10, 0, -2

Factors are: (x - 10), (x - 0), (x + 2)

Multiply all factors to get expression:

(x - 10)x(x + 2) = x(x - 10)(x + 2)

= x(x² - 10x + 2x - 20)

= x(x² - 8x - 20)

= x³ - 8x² - 20x

6 0
2 years ago
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