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tekilochka [14]
3 years ago
13

I think of a number, n, subtract 5, then divide by 7. Write an expression for the result in terms of n.

Mathematics
1 answer:
svlad2 [7]3 years ago
5 0

the equation would be n-5/7

the division side should be long though because I can't insert it

\frac{x - 5}{7}

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2(x -9) = 9 divided ( - 1/3) what value of x makes the equation true <br> plsss help :)))
Ivanshal [37]

Answer:

x = -9/2

Step-by-step explanation:

1. Divide 9 by -1/3:

\frac{9}{1} ÷ -\frac{1}{3} = \frac{9}{1} · -\frac{3}{1}

= -27

2. Divide both sides by 2:

2(x - 9) = -27

\frac{2(x-9)}{2} = \frac{-27}{2}

(x - 9) = -\frac{27}{2}

3. Add 9 to both sides:

x = -\frac{9}{2}

(or 4.5 if you need it in decimal form)

hope this helps!

6 0
2 years ago
Jim had one hour to get to the
k0ka [10]
Jim has 27.5 minutes left to get to the airport.
7 0
3 years ago
Select the equation and solution for the problem. Let x represent the unknown number A total of 21 people on a sports team are r
pickupchik [31]

Answer:

The answer is C.

Step-by-step explanation:

7 0
3 years ago
Find the value of x<br> (I need help with both of them pls)
Aleks04 [339]

Answer:

1. x = 21

2. x = 19

Step-by-step explanation:

Since the interior angles of all quadrilaterals add up to 360, all we have to do is add them up and set them equal to 360. Combine like terms and we get

7x + 213 = 360

Which further turns to 7x = 147

So x = 21

For the second problem, it's the same thing

By the end we get 2x + 8 = 46

2x = 38

x = 19

Hope this helps

6 0
3 years ago
NEED HELP ASAP
ankoles [38]

Answer:

5 degrees

Step-by-step explanation:

Corresponding angles in a transversal are congruent. This can be proved by using the alternate exterior angles theorem, which would make these two angles alternate interior angles. With this, we can form a new equation.

Solve Algebraically

5x+23=7x+13

5x+10=7x

10=7x-5x

10=2x

<h2>x=5</h2><h2 />

3 0
3 years ago
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