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Andrei [34K]
3 years ago
5

One solution to the problem below is 5 what ya the other solution a^2-25=0

Mathematics
1 answer:
Alex3 years ago
5 0

-5

a^2-25=0

a^2=25

take the square root of both sides

a=5, and -5

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The​ _____ _____, denoted modifyingabove p with caret​, is given by the formula modifyingabove p with caretequals​_____, where x
elena-14-01-66 [18.8K]

Answer:

Sample proportion ; phat

x / n

Step-by-step explanation:

The sample proportion may be explained as a proportional representation of part of the population or larger sample which have a certain character or exhibit a particular trait.

The sample proportion is expressed Mathematically as ;

phat = x / n

x = number of subjects with a specified characteristic ;

n = total sample size

For instance ;

The proportion of black balls in a sample of 100 balls is 15 ; the sample proportion of bla k balls will be :

phat = x / n = 15 / 100 = 0.15

5 0
3 years ago
PLEASE HELP
katovenus [111]

<u>Answer:</u>

$593.26

<u>Step-by-step explanation:</u>

We know that the price of the laptop is $2500 and each year its resale value decreases by 25%. It means that 100 - 25 = 75% of the value is retained every year for the resale.

So, the resale value for 1st year = \frac{75}{100} *2500 = $1875

for 2nd year =  \frac{75}{100} *1875 = $1406.25

for 3rd year =  \frac{75}{100} *1406.25 = $1054.7

for 4th year =  \frac{75}{100} *1054.7 = $791.01

for 5th year =  \frac{75}{100} *791.01 = $593.25

Or we can use the following formula to find its resale value after 5 years:

2500*(0.75)^5 = $593.26

4 0
3 years ago
Write each number in two equivalent forms 62.5%
Olegator [25]
Maybe 63 if you Estimate it

3 0
3 years ago
Read 2 more answers
Please help with this question
myrzilka [38]
13-9 = 4
4-4 = 0
0 divided by 2 = 0
2x = 0
x = 0
7 0
3 years ago
I would appreciate it if someone would show me how to solve these y-intercept tables. I’ve been confused on them for a while, an
harina [27]

Answer:

Substitute the numbers below x by x in the equation given in the middle of the table and that will be the answer for y.

Step-by-step explanation:

For example, x= -1

y= x + 6

y= -1 + 6

y= 5

8 0
3 years ago
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