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oksano4ka [1.4K]
2 years ago
9

1/2+1 1/2 i need the answer fast

Mathematics
2 answers:
iogann1982 [59]2 years ago
3 0

Answer:

the answer is 2

Step-by-step explanation:

1/2 plus 1 is 1 1/2 then add another 1/2

Irina-Kira [14]2 years ago
3 0

Answer:

2

Step-by-step explanation:

1/2 + 1 1/2 = 2

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When is it better to use a table in math
Galina-37 [17]

Answer:

in certain questions

Step-by-step explanation:

only use a table in Math when it is necessary. for example, when you are trying to find the coefficient.

3 0
3 years ago
<img src="https://tex.z-dn.net/?f=%7By%7D%5E%7B2%7D%20%2B%20%5Cfrac%7B3y%7D%7B2%7D%20%3D%20%5Cfrac%7B27%7D%7B2%7D%20" id="TexFor
Grace [21]

Answer:

Solve the equation for y by finding a, b, and c

of the quadratic then applying the quadratic formula.

Exact Form:

y = 3,−9/2

Decimal Form:

y = 3,−4.5

Mixed Number Form:

y = 3,− 4 1/2

Step-by-step explanation:

branliest pls

7 0
2 years ago
Read 2 more answers
What is 1'000+686+754​
marysya [2.9K]

Answer:

2440

Step-by-step explanation:

1,000+686 =

1,686

1686+ 754

= 2440

4 0
2 years ago
Read 2 more answers
The pH of randomly selected swimming pools follows a normal distribution with mean 7.4 and standard deviation 0.22. A pool shoul
skad [1K]

Answer:

78.383%

Step-by-step explanation:

The pH of randomly selected swimming pools follows a normal distribution with mean 7.4 and standard deviation 0.22. A pool should have a pH between 7.2 and 7.8 so that chlorine treatment is effective.

Using z score formula

z = (x-μ)/σ, where

x is the raw score

μ is the population mean

σ is the population standard deviation.

For x = 7.2

z = 7.2 - 7.4/0.22

z = -0.90909

Probability value from Z-Table:

P(x = 7.2) = 0.18165

For x = 7.8

z = 7.8 - 7.4/0.22

z = 1.81818

Probability alue from Z-Table:

P(x = 7.8) = 0.96548

The probability of pools having an acceptable pH level(7.2 and 7.8)

= P(x = 7.8) - P(x = 7.2)

= 0.96548 - 0.18165

= 0.78383

Converting to percentage

0.78383 × 100

= 78.383%

The percentage of pools having an acceptable pH level is 78.383%

3 0
2 years ago
Also some more I have been stuck on for over a few days (40 pts again)
mars1129 [50]

Answer:

View Image

Step-by-step explanation:

You are correct on both of them.

4 0
3 years ago
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