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astraxan [27]
3 years ago
10

GUYS PLEASE HELP ME ILL MARK BRIANLIEST AND GIVE EXTRA POINTS I NEED IT ASAP

Mathematics
1 answer:
matrenka [14]3 years ago
6 0

Q1

n >  \frac{81}{2}

Q2 <em>D</em>

sry I don't hv time to ans more

You might be interested in
7,8,9,7,2,5,3,2, 2<br><br> Mean__<br> Median__<br> Mode__<br> Range__
serious [3.7K]

Answer:

Mean: 5

Median: 5

Mode: 2

Range: 7

Step-by-step explanation:

We find the mean by adding all the numbers together to get 45. Then we divide the 45 by the amount of numbers in the set, for this one it is 9. 45 divided by 9 equals 5.

To find the median we put the numbers in the set in order from least to greatest. Next, we find the middle number. median=5

To find the mode we find the number repeated the most. In this set the number that repeats the most is 2.

Range is found by subtracting the largest number and the smallest number. 9-2=7

4 0
3 years ago
Help with this system of equations !! y = 3x + 21; y = -7x + 2
s2008m [1.1K]
C) x = -19/10 because when solving it with substitution u get x=-19/10 & y=153/10
3 0
3 years ago
A nest of ants has been growing exponentially in such a way that it's population,P, as a function increasing on average more or
ivolga24 [154]

Not sure question is complete, assumptions however

Answer and explanation:

Given the above, the function of the population of the ants can be modelled thus:

P(x)= 1600x

Where x is the number of weeks and assuming exponential growth 1600 is constant for each week

Assuming average number of ants in week 1,2,3 and 4 are given by 1545,1520,1620 and 1630 respectively, then we would round these numbers to the nearest tenth to get 1500, 1500, 1600 and 1600 respectively. In this case the function above wouldn't apply, as growth values vary for each week and would have to be added without using the function.

On one hand, the function above could be used as an estimate given that 1600 is the average growth of the ants per week hence a reasonable estimate of total ants in x weeks can be made using the function.

7 0
3 years ago
HELPPP ASAP WILL MARK BRAINLEST!!!
kakasveta [241]

Answer:

B

Step-by-step explanation:

I picked B. The frequency has 4 things from 0-4, 5  things from 5-9, 3 things from 10-14, and 2 things from 15-19. I counted them for you

Hope this helps please mark brainliest :D

5 0
3 years ago
TRUE OR FALSE!!! PICTURE IS SHOWN
schepotkina [342]
False

distance = square root [(x2−x1)^2+(y2−y1)^2]

5 0
3 years ago
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