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3 years ago

3/4-1/12 subtract and simplify

Mathematics

1 answer:

mars1129 [50]3 years ago

5 0

Answer:

2/3

Step-by-step explanation:

Simplify the following:

3/4 - 1/12

Put 3/4 - 1/12 over the common denominator 12. 3/4 - 1/12 = (3×3)/12 - 1/12:

(3×3)/12 - 1/12

3×3 = 9:

9/12 - 1/12

9/12 - 1/12 = (9 - 1)/12:

(9 - 1)/12

9 - 1 = 8:

8/12

The gcd of 8 and 12 is 4, so 8/12 = (4×2)/(4×3) = 4/4×2/3 = 2/3:

Answer: 2/3

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Help please help i need the answer

ASHA 777 [7]

2x+3y=6

- subtract 2x from both sides

3y = -2x + 6

- divide each term by 3

$\frac{3y}{3} = -\frac{2x}{3} + \frac{6}{3}$

- simplify

$\frac{6}{3} = 2$

$y= -\frac{2x}{3} + 2$

- write in slope-intercept form

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6 0

3 years ago

A police officer wants to know the proportion of crimes that are burglaries within the last five years. She randomly selects 40

svlad2 [7]

Answer:

a. Yes

See explanation below.

Step-by-step explanation:

Assuming that if the question is if we can use the normal approximation for the true proportion.

For this case we have n = 40 and p = 0.3 (probability of success)

We need to check some conditions:

1) Random sample : This condition is satisfied since the problem says that she randomly select 40 records

2) $n \hat p = 40*0.3 =12 \geq 10$

$n(1-\hat p)= 30 *(1-0.3) = 28 \geq 10)$

3) 10% condition: the random sample is assumed to be less than 10% of the original population size (assumed)

The population proportion have the following distribution

$p \sim N(p,\sqrt{\frac{\hat p(1-\hat p)}{n}})$

So then as we can see the normal approximation for this case makes sense since we have all the 3 conditions satisfied so then the answer would be:

a. Yes

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3 years ago

PLEASE HELP!!!! I WILL GIVE BRAINLIEST ANSWER!!

Flura [38]

The correct answer is d.

7 0

4 years ago

Read 2 more answers

One member of the Lockport High School will be chosen randomly for a trip over spring break. There are 900 students in the high

KiRa [710]

It would be a 50% percent

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3 years ago

Describe a model that represents 3/3 x 4/4??

Oduvanchick [21]

They are both fractions, but 3/3 is 1 whole and 4/4 is 1 whole also.
so 1 whole times 1 whole equals 1
number form of my explanation:
3/3=1
4/4=1
1x1=1
Describe complete!

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3 years ago