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Marrrta [24]
3 years ago
10

Sum of 12/13+(-1/13)=

Mathematics
2 answers:
max2010maxim [7]3 years ago
4 0
\frac{12}{13} + (- \frac{1}{13} )

First, simplify the brackets. / Your problem should look like: \frac{12}{13} - \frac{1}{13}
Second, simplify. / Your problem should look like: \frac{11}{13}

Answer as fraction: \frac{11}{13}
Answer as decimal: 0.8462


valkas [14]3 years ago
3 0
\frac{12}{13} + (-\frac{1}{13}) = \frac{12}{13} - \frac{1}{13} = \frac{12-1}{13} =\boxed{ \frac{11}{13}}
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Which equation can be used to solve the problem? 10 is 50 percent of what number? StartFraction 10 divided by 1 Over 50 divided
anyanavicka [17]

The option fourth StartFraction 50 divided by 5 Over 100 divided by 5 EndFraction = StartFraction 10 Over 20 EndFraction is correct.

<h3>What is the percentage?</h3>

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

Let x be the number.

According to the problem.

50% of x = 10

x = 10 ÷ 50%

= 10×(50/100)

= (50÷5)/(100÷5) = 10/20

Thus, the option fourth StartFraction 50 divided by 5 Over 100 divided by 5 EndFraction = StartFraction 10 Over 20 EndFraction is correct.

Learn more about the percentage here:

brainly.com/question/8011401

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7 0
2 years ago
Identify the common side
attashe74 [19]
The common part is PD
5 0
3 years ago
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You and your friend are going to some candy. You eat 3/4 of a box of candy. Your friend eats 1/2 as much as you do. How much of
pochemuha

Answer:

\frac{3}{8}  of a box of candy your friend eat.

Step-by-step explanation:

Given:

You and your friend are going to some candy.

You eat 3/4 of a box of candy.

Your friend eats 1/2 as much as you do.

Now, to find that how much of a box of candy does your friend eat.

<em>Quantity of a box of candy you eat = </em>\frac{3}{4}<em />

<em>Quantity of candy your friend eat</em> = \frac{1}{2} \ of\ \frac{3}{4}

Now, to get how much the candy your friend eat we multiply 1/2 and 3/4:

= \frac{1}{2} \times \frac{3}{4}

= \frac{3}{8} .

Therefore, \frac{3}{8}  of a box of candy your friend eat.

7 0
3 years ago
Find the sum of (x² + 6x – 5) + (2x2 + 15).
erma4kov [3.2K]
<h3><u>Answer</u> :</h3>

★ (x² + 6x - 5) + (2x² + 15)

➠ x² + 6x - 5 + 2x² + 15

By combining similar terms, we get

➠<u> x² + 2x²</u> + 6x - <u>5 + 15</u>

➠ 3x² + 6x - 10

By taking 3x common, we get

➠ 3x(x + 2) - 10

<h3>Hope It Helps!</h3>
6 0
3 years ago
Mr. Chang’s class has 28 students, 4/7 of whom are girls. Which equation shows how to determine the number of girls in Mr. Chang
DedPeter [7]
Okay, so we know a number of students and the amount of girls as a bracket. So what we have to do now is multiply them with each other.
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So there are 16 girls in Mr. Chang´s class.
You can also determine the boys by - the students with the girls:
28-16=12 boys

Have a nice day :D
6 0
3 years ago
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