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vekshin1
3 years ago
11

How to convert 4/80 into a percentage

Mathematics
2 answers:
Alona [7]3 years ago
7 0

Answer:

5.0

Step-by-step explanation:

you convert into decimal 0.05 and move two places to the right. 5.0

Zolol [24]3 years ago
3 0

Answer:

4/80= 1/20

1/20= .05

.05= 5%

Step-by-step explanation:

a fraction, it is a division, solve it and it will give you a decimal number, that decimal number can be converted into a percentage very easy, I teach you:

When a fraction when solving gives 1, that means it is 100%, therefore if a fraction gives us .5, it means that it is 50%, when there are 2 decimals, such as: 1/3 = .3333 = 33.3333%.

The decimal point is shifted 2 places to its right and then "%" is added, resulting in a percentage

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cestrela7 [59]

Answer:

9/4

Step-by-step explanation:

2(x - 10) + 4 = -6x + 2

2x - 20 + 4 = -6x + 2

2x - 16 = -6x + 2

8x - 16 = 2

8x = 18

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7 0
3 years ago
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Rom4ik [11]

Answer:

H0: μ ≤ 1.30

H1: μ > 1.30

|Test statistic | > 1.833 ; Reject H0

Test statistic = 3.11

Yes

Pvalue = 0.006

Step-by-step explanation:

H0: μ ≤ 1.30

H1: μ > 1.30

Samples, X ; 1.36,1.35,1.33, 1.66, 1.58, 1.32, 1.38, 1.42, 1.90, 1.54

Xbar = 14.84 / 10 = 1.484

Standard deviation, s = 0.187 (calculator)

Decison rule :

|Test statistic | > TCritical ; reject H0

df = n - 1 = 10 - 1 = 9

Tcritical(0.05; 9) = 1.833

|Test statistic | > 1.833 ; Reject H0

Test statistic :

(xbar - μ) ÷ (s/√(n))

(1.484 - 1.30) ÷ (0.187/√(10))

0.184 / 0.0591345

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Since ;

|Test statistic | > TCritical ; We reject H0 and conclude that water consumption has increased

Pvalue estimate using the Pvalue calculator :

Pvalue = 0.006

7 0
3 years ago
3x – 2y+3<br> 3y - 2x<br><br> X=7 Y=6
faust18 [17]
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Karolina [17]

Answer:

SHe put the decimal point in the wrong spot, it's suppose to be 43.89

Step-by-step explanation:

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