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Katarina [22]
3 years ago
15

The sum of one-third of a number and three-fourths of the number exceeds that number by one. Which equation could be used to fin

d the number? n = n + 1 n + n = n - 1 n + n = n + 1
Mathematics
2 answers:
Marrrta [24]3 years ago
8 0
\frac{n}{3} + \frac{3n}{4} = n+1 

4n + 9n = n+1
13n = n+1
13n-n = 1
12n = 1

mafiozo [28]3 years ago
6 0

Answer:

\frac{n}{3} + \frac{3n}{4} = n +1.

Number = 12.

Step-by-step explanation:

Given : The sum of one-third of a number and three-fourths of the number exceeds that number by one.

To find : Which equation could be used to find the number.

Solution : We have given a statement

Let a number  = n

According to question

One third of a number = \frac{n}{3}.

Three - fourths of the number  =  \frac{3n}{4}.

Sum of their is  exceeds that number by one.

\frac{n}{3} + \frac{3n}{4} = n +1.

Taking common denominator

\frac{4n+9n}{12} = n+1 .

\frac{13n}{12} = n+1.

On subtracting n both sides.

\frac{13n}{12} -n = 1

Taking common denominator

\frac{13n -12n}{12} = 1

\frac{n}{12} = 1

On multiplying by 12 both sides

n= 12.

Therefore, \frac{n}{3} + \frac{3n}{4} = n +1.

Number = 12.

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3 years ago
What function is graphed below?<br><br><br><br> y = x + 4<br> y = 4x<br> y = 2x + 4<br> y = 3x + 2
Vitek1552 [10]

Answer:

y= x + 4 is the answer

Step-by-step explanation:

y-int= 4

slope = 1

So it the first choice

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3 years ago
|x|, if x=10; .3; 0; −2.7; −9
alekssr [168]

Answer:

For \left | x \right | we will have positive values only.

\left | -2.7 |\right =2.7

\left | -9 |\right =9

Rest are positive so will give positive values out of the modulus function.

Step-by-step explanation:

The absolute value of any number is its positive value only.

As for example (-2.7) and (2.7) both are having equal distance from 0 in a number line, one on the left other on the right side of the number line but are equidistant from 0.

So absolute value of a number is its distance on number line from reference point 0.

One by one we will work with all of our question.

\left | 10 |\right =10

\left | 0.3 |\right =0.3

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\left | -2.7 |\right =2.7

\left | -9 |\right =9

So we have to take the positive number out of the modulus function that is also called absolute value.

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3 years ago
Solve 2(9-x) = 3 ( x +16 )
andreyandreev [35.5K]

Answer: x=-6

Step-by-step explanation:

Let's solve your equation step-by-step.

2(9−x)=3(x+16)

Step 1: Simplify both sides of the equation by distribution

2(9-x)=3(x+16)\\(2)(9)+(2)(-x)=(3)(x)+(3)(16)\\18+-2x=3x+48\\-2x+18=3x+48\\

Step 2: Subtract 3x from both sides.

-2x+18-3x=3x+48-3x\\-5x+18=48

Step 3: Subtract 18 from both sides.

-5x+18-18=48-18\\-5x=30

Step 4: Divide both sides by -5.

\frac{-5x}{-5} =\frac{30}{-5} \\x=-6

3 0
2 years ago
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