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creativ13 [48]
3 years ago
7

What is 2/3 + 1/4*please help*

Mathematics
2 answers:
Tcecarenko [31]3 years ago
6 0
\frac{2}{3}+\frac{1}{4}

Re-write with a common denominator, in this case 12:

\frac{2 \times 4}{3 \times 4}+\frac{1 \times 3}{4 \times 3}
\frac{8}{12}+\frac{3}{12}

Add:
\frac{8}{12}+\frac{3}{12} = \frac{11}{12}
Nezavi [6.7K]3 years ago
3 0
First, we need a common denominator. The lowest number with both 3 and 4 (our current denominators) as factors is 12. To make the denominator of each fraction 12, we will use multiplication. 

(2/3 * 4/4) + (1/4 * 3/3)
8/12 + 3/12

Now, we can simply add the numerators.

8/12 + 3/12 = 11/12
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Match each set of numbers with their least common multiple
myrzilka [38]

27, 12, and 36  = 108

22 and 4  = 44

14 and 12  = 84

25 and 8  =200

9, 8, and 7  = 504

32, 24, and 18  = 288

7 0
3 years ago
Laura is baking a cake. The recipe says that she has to mix 64 grams of chocolate powder to the flour. Laura knows that 1 cup of
pickupchik [31]
The answer is <span>She went over by one over six of a cup
</span>
<span>1 cup of that particular chocolate powder has a mass of 128 grams: 1c = 128g

</span><span>64 grams of chocolate powder is x cups.
1c = 128g
x = 64g

1c : 128 g = x : 64g
x = </span>1c : 128 g * 64 g
x = 0.5 c
64 grams of chocolate powder is 0.5 cups = 1/2 cups

<span>She added two over three of a cup of chocolate powder: 2/3 cups

She need to add 1/2 cups: 1/2 = 3/6 cups
She added 2/3 cups: 2/3 = 4/6 cups

So she added 4/6 - 3/6 = 1/6 cups more.
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5 0
3 years ago
Washington (CNN) About three-quarters of Americans (77%) approve of President Donald Trump's decision to meet with North Korean
snow_tiger [21]

Answer:

b. The margin of error would decrease.

Step-by-step explanation:

Margin of error of a confidence interval:

The margin of error of a confidence interval has the following format:

M = z\frac{\sigma}{\sqrt{n}}

In which z is related to the confidence level, \sigma is the standard deviation of the population and n is the size of the sample.

This means that the margin of error is inversely proportional to the size of the sample, which means that if the sample size increases, the margin of error decreases.

In this question, the sample size is increased, leading to a smaller margin of error. So the correct answer is given by option b.

8 0
3 years ago
Jorge bought 6 large balloons for a party. This was 25% of all the balloons he bought. How many total balloons did Jorge buy sho
riadik2000 [5.3K]

Answer:

The answer would be 24 balloons in total.

Step-by-step explanation:

Jorge bought 6 large balloons, which was 25% of ALL the balloons he bought.

Meaning that since 6 is 25% of the number 24, he bought 24 balloons in total.

PROOF:

25% * 24 = 6

24 / 6 = 4

6 * 4 = 24

<h2>Mark me Brainliest Please.</h2>
8 0
3 years ago
Write the decimal in simplest fractional form: 3.05
Sidana [21]
61/20 is the answer.
5 0
3 years ago
Read 2 more answers
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