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Contact [7]
3 years ago
9

What'e More

Mathematics
1 answer:
Gnom [1K]3 years ago
8 0

Class mark : 37-41

Independant variable is the classes

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-8x2(x+8)=8(2+6) how do i solve this and 4n+3/2=2n-5/1?
Marat540 [252]

1) -8x^2\left(x+8\right)=8\left(2+6\right)

-8x^3-64x^2=64

-8x^3-64x^2-64=64-64

-8x^3-64x^2-64=0

-8x^2+0.97035\dots x-7.88051\dots \approx \:0

x\approx \:-8.12129\dots

2) 4n+\frac{3}{2}=2n-\frac{5}{1}

4n+\frac{3}{2}=2n-5

4n+\frac{3}{2}-\frac{3}{2}=2n-5-\frac{3}{2}

4n=2n-\frac{13}{2}

4n-2n=2n-\frac{13}{2}-2n

2n=-\frac{13}{2}

\frac{2n}{2}=\frac{-\frac{13}{2}}{2}

n=-\frac{13}{4}

6 0
3 years ago
Anyone plssss helppppp plssss
Nataliya [291]

Answer:

E because he is 9/16 standard deviations away from the mean, which is an improvement from 1/10 standard deviations

Hope this helped and brainliest please

4 0
3 years ago
Find the percent of change <br><br> a: 1/3 to 2/3<br><br> b: 1/3 to 1/6<br><br> please help!
Dimas [21]

Answer:

a: The percentage change from 1/3 to 2/3 is 100 %

b: The percentage change from 1/3 to 1/6 is 0 %

Step-by-step explanation:

use this formula:

((y2 - y1) / y1)*100 = your percentage change

(where y1=start value and y2=end value)

((2/3 - 1/3) / 1/3) * 100 = 100 %

_________________________________

((y2 - y1) / y1)*100 = your percentage change

(where y1=start value and y2=end value)

((1/6 - 1/3) / 1/3) * 100 = 0 %

3 0
4 years ago
7m=56. explanation please​
Aloiza [94]

Answer:

m=8

Step-by-step explanation:

Divide each term in

7

m

=

56

7

m

=

56

by

7

7

.

7

m

7

=

56

7

7

m

7

=

56

7

Cancel the common factor of

7

7

.

Tap for more steps...

m

=

56

7

m

=

56

7

Divide

56

56

by

7

7

.

m

=

8

m

=

8

4 0
3 years ago
Read 2 more answers
You are checking in a customer’s bag for a flight out of the country. There is a 50-pound weight limit per bag. The customer’s b
goldenfox [79]

Answer:

21.3188kg or 21.3kg

Step-by-step explanation:

As one kilogram is equal to 2.20462 pounds we can calculate the weight in kilograms by taking 2.20462 / 47 and we get 21.3188kg

4 0
3 years ago
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