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liraira [26]
2 years ago
13

if a number is increased by 5 and the result is then divided by three,the result is seven. write an equation that models this ve

rbal description and solve the equation for the number described
Mathematics
2 answers:
gregori [183]2 years ago
6 0
A number (we don’t know the number so I’ll use X) plus five. So we can start the equation of with X+5 then divided by 3=7 so X+5➗3=7 so to solve what X is we can just go in reverse. 7 TIMES 3= 21-5=16 so X=16
Gekata [30.6K]2 years ago
5 0

Answer:

The required equation is \frac{x+5}{3}=7

The value of x is 16.

Step-by-step explanation:

Consider the provided information.

if a number is increased by 5 and the result is then divided by three,the result is seven.

Let the number is represented by x.

Increase the number by 5: x+5

Now divide the result by 3, and result is seven.

This can be written as:

\frac{x+5}{3}=7

Now solve the equation for x as shown.

\frac{x+5}{3}=7

x+5=21

Subtract 5 from both sides.

x=16

Hence the value of x is 16.

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If y = 9x - 7, which of the following sets represents possible inputs and outputs of the
Lubov Fominskaja [6]
If y = 9x - 7, which of the following sets represents possible inputs and outputs of the
function, represented as ordered pairs?
{(7,9), (8, 10), (9, 11)}
{(0, -7), (1, 2), (-1, -16)}
{(1,9), (2,7), (3, 16)}
{(-7,0), (2, 1), (-16, -1)}

The answer is b {(0,-7), (1,2), (-1,-16)}
8 0
2 years ago
What two numbers add up to -20 and multiply to -1125
Oliga [24]
I don't have my calculator handy just now. But just looking at that problem, why don't you try +20 and -45 and see if they do the job.
8 0
2 years ago
Please help me out with this so I can keep my kitten.
notka56 [123]

Answer:

y = \frac{32}{3}

Step-by-step explanation:

Firstly, move over the negative 3/4 fraction (don't forget to swap the operation i.e subtract to add):

\frac{y}{8} = \frac{7}{12}  + \frac{3}{4}

Now, to add the two fractions, simply multiply the numerator and denominator by 3:

\frac{3*3}{4*3} = \frac{9}{12}

Now add this to the other fraction:

\frac{9}{12} + \frac{7}{12} = \frac{16}{12}

This can be simplified down by dividing both the numerator and denominator by 4:

\frac{4}{3}

Which now simplifies the original equation to:

\frac{y}{8}  = \frac{4}{3}

Remove the y out of the fraction:

\frac{1}{8}y = \frac{4}{3}

Now multiply both sides by 8:

(\frac{1}{8}y) * 8 = (\frac{4}{3}) * 8

y = \frac{4*8}{3}

y = \frac{32}{3}

Hope this helps!

5 0
3 years ago
Read 2 more answers
Solve by using trial and error method. 3x = 16​
Paladinen [302]

Answer:

5.3...

..............

4 0
2 years ago
Please help me it would mean the world. Extra points!
tensa zangetsu [6.8K]
A = ((B+b)*h)/2
A = ((6+4)*3)/2
A = 15
7 0
2 years ago
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