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mote1985 [20]
3 years ago
11

- 3√45-√ 125 + √200-√150

Mathematics
2 answers:
andrezito [222]3 years ago
8 0

Answer:

=-80-5√5

this is the answer

hope this helps

Murljashka [212]3 years ago
4 0
-29.4102647752 the answer I think
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Raj measures the height of 70 plants calculate the estimate of the mean height of the plants
noname [10]

The mean height of plants is 44.07cm.

Given that a raj measures the height of 70 plants which is shown in the table in the image attached below.

The mean is defined as the mean value equal to the ratio of the total number of a given set of values ​​to the total number of values ​​contained in that set.

Firstly, we will find the midpoint of the height by using the formula

(upper limit +lower limit)/2

When h is 10<h<20 then the midpoint is

x₁=(10+20)/2

x₁=15

When h is 20<h<0 then the midpoint is

x₂=(20+40)/2

x₂=30

When h is 40<h<50 then the midpoint is

x₃(40+50)/2

x₃=45

When h is 50<h<60 then the midpoint is

x₄=(50+60)/2

x₄=55

When h is 60<h<90 then the midpoint is

x₅=(60+90)/2

x₅=75

Now, we will find the mean height by using the formula

x=(f₁x₁+f₂x₂+f₃x₃+f₄x₄+f₅x₅)/(Σfi)

Here, f₁=7,f₂=15,f₃=27,f₄=13,f₅=8

and Σfi=7+15+27+12+8=70

Substitute these values in the formula, we get

x=(7×15+15×30+27×45+12×55+8×75)/70

x=(105+450+1215+715+600)/70

x=(3085)/70

x=44.07

Hence,  the estimate of the mean height of the plants when raj measures the height of 70 plants is 44.07cm.

Learn more about mean from here brainly.com/question/3491195

#SPJ4

8 0
1 year ago
Identify the slope and y-intercept of the line with the given equation:
miv72 [106K]
1) (solve for Y 1st)
-4y=16
y=-4
slope=0        y-inter= -4

2)(solve for X 1st)
6x=12
x=2
slope=undefined     y-inter= none
3 0
3 years ago
Read 2 more answers
An amount of $21,000 is borrowed for 10 years at 3.25% interest, compounded annually. If the loan is paid in full at the end of
Yanka [14]
The formula for total loan cost is attached.
10 years = 120 payments
MONTHLY Interest = .0325 / 12 = <span> <span> <span> 0.0027083333 </span> </span> </span>

total = <span>0.0027083333 * 21,000 * 120 / (1-(1</span><span><span>.0027083333)-120 </span> </span>
total = 6,825 / (1- <span> <span> <span> 0.7228448406 </span> </span> </span> )
total = 6,825 / <span> <span> <span> 0.2771551594 </span> </span> </span>
total = <span> <span> <span> 24,625.20 </span> </span> </span>


4 0
3 years ago
Turn y=4x-7 into standard form.​
Naddik [55]
4x=11 is the correct answer:)
5 0
3 years ago
A triangle has a base of 5 feet and an area of 15 square feet. Find the​ triangle's height.
marusya05 [52]
I believe it would be 6 feet
6 0
3 years ago
Read 2 more answers
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