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Mila [183]
2 years ago
13

Here are the marks 18 students got in a Maths test.

Mathematics
1 answer:
deff fn [24]2 years ago
4 0

Answer:

i dont know for the probalitity

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Please help :)!!!!!!!!!!!!!!!!!!!!!!
mart [117]

x adds 1 and y subtracts by 6

7 0
3 years ago
An object is moved at a constant speed of 20m/s for 4s
konstantin123 [22]

Answer:

80 m is distance traveled

Step-by-step explanation:

if object moves at 20m/s, then in 4 seconds the expression 20 x 4 is used to get 80. 80 m traveled

3 0
2 years ago
Which polynomial equation of least degree has -2, -2, 3, and 3 as four of its roots?
I am Lyosha [343]

Answer:

The and is x-2)-2(x + 3)3=0

4 0
3 years ago
As baby boomers enter their golden years, the number of people afflicted with Alzheimer's disease is expected to rise dramatical
dybincka [34]

Answer:

Step-by-step explanation:

Given that the number of people with Alzheimer's disease in the United States age 65 years and over is projected to be

N(t) = 0.00525t^2 +0.075t+4.7,(0 ≤ t ≤ 4)

where N is in millions where year 2010 corresponds to t=0

For 2020, 10 years lapsed hence t= 1

a) N(1) = 0.00525(1)^2 + 0.075(1) + 4.7\\=4.78025

So 4.78025 million people

b) Growth = N(1)-n(0) =0.08025 million

c) N(4) = 5.084

Average rate of change = (5.084-4.7)/4 =0.096 million per decade

4 0
4 years ago
Mark is comparing prices of different brands before he goes shopping. Who has the best deal on ice cream​? ​ ​Brand Size & P
Mariana [72]

Answer:

Breyers is the correct answer

Step-by-step explanation:

$4.50/30 oz = .15

$15.36/128 oz = .12

$2.88/16 oz = .18

7 0
3 years ago
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