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Sholpan [36]
3 years ago
6

What is a ratio please.

Mathematics
2 answers:
saveliy_v [14]3 years ago
6 0

Answer:

A ratio is the quantitative relationship between 2 amounts showing the number of times one value contains or is contained within the other

Marina86 [1]3 years ago
5 0

Answer:

it's a noun.. also it is the quantitative relation between two amounts showing the number of times one value contains or is contained within the other, hope this helps ^-^

Step-by-step explanation: i know stuffs

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Write 6 × 10 -7 in decimal notation.<br><br> 0.0000006<br> 0.00006<br> 600,000<br> 6,000,000
Lina20 [59]
I’m pretty sure the answer is B
3 0
3 years ago
Data from Ivy Tech's advising center shows the wait times as a normal distribution with the average as 20 min and a standard dev
fiasKO [112]

9514 1404 393

Answer:

  68%

Step-by-step explanation:

According to the empirical rule, 68% of the distribution lies within 1 standard deviation of the mean.

Here, the mean is 20 and the standard deviation is 5. The bounds on 1 standard deviation from the mean are 20±5 = [15, 25]. This is precisely the interval of interest.

  68% of students wait between 15 and 25 minutes

8 0
2 years ago
EASY ALGEBRA QUESTION<br><br> Please help. This is worth 20 points and I will give brainliest!
Vadim26 [7]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Alejandro made an error in the steps below when determining the equation of the line that is perpendicular to line 4x - 3y = 8 a
Ronch [10]

 

Hello:<span>
the equation is : y = ax+b
the slope is a : a×(4/3) = -1......( perpendicular to a line with a slope of   4/3)            because :     4x-3y =8...y=(4/3)x-8/3    )     </span>

<span>
a = -3/4         y=(-3/4)x+b
the line that passes through (3, -2) :- 2 = (-3/4)(3)+b
b =1/4
<span> the equation is :  y  = (-3/4)x+1/4</span></span>

5 0
2 years ago
1. )The function f(x)=12,500(0.87)^x models the value of a car x years after it is purchased.
sweet-ann [11.9K]
1] Given that the value of x has been modeled by f(x)=12500(0.87)^x, then:
the rate of change between years 1 and 5 will be:
rate of change is given by:
[f(b)-f(a)]/(b-a)
thus:
f(1)=12500(0.87)^1=10875
f(5)=12500(0.87)^5=6230.3
rate of change will be:
(6230.3-10875)/(5-1)
=-1161.2
 rate of change in years 11 to 15 will be:
f(11)=12500(0.87)^11=2701.6
f(15)=12500(0.87)^15=1,547.74
thus the rate of change will be:
(1547.74-2701.6)/(15-11)
=-288
dividing the two rates of change we get:
-288/-1161.2
-=1/4
comparing the two rate of change we conclude that:
The average rate of change between years 11 and 15  is about 1/4  the rate between years 1 and 5.
The answer is D]
2] Given that the population of beavers decreases exponentially at the rate of 7.5% per year, the monthly rate will be:
monthly rate=(n/12)
where n is the number of months
=7.5/12
=0.625
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7 0
3 years ago
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