All categories

3 years ago

PLEASE HELP

Mathematics

2 answers:

olchik [2.2K]3 years ago

3 0

I’m not very good at math but here’s my reasoning:
x/2-7=9
I moved the 7 to the other side of the equation
So now
X/2 = 9 + 7
X/2 = 16
Since x is equal 16 if you divide x by 2 (because x/2=16), that means if you want to find x you need to multiply x by 2
X = 16 x 2
X = 32
I hope it’s right !! <3

Umnica [9.8K]3 years ago

3 0

Answer:

Step-by-step explanation:

x/2 - 7 = 9 Add 7 to both sides

+7 7

x/2 = 16 Multiply both sides by 2

2*x/2 = 16*2

x = 32

You are at about the second stage of solving equations. So far what you should know is that you should add or subtract before doing multiplication or division.

Take a much simpler question

x - 8 = 10 What do you do here? You can't multiply or divide. So add

+8 8

x = 18

Now try what you have

2x - 5 = 11 Add before multiplication or division

5 5

2x = 16 Divide by 2

2x/2 = 16/2

x = 8

You might be interested in

If a number is positive, then it is a whole number and an integer.

GaryK [48]

Answer:

c then d my man I got you maybe

4 0

2 years ago

Graph 24 > - 3r 2 - 9

coldgirl [10]

Answer:

Solve for r

− √ 11 < r < √ 11

Step-by-step explanation:

7 0

3 years ago

For a school event, of the athletic field is reserved for the fifth-grade classes.

Rashid [163]

Answer:

1/4

Step-by-step explanation:

4 classes, each class gets one spot!

4 0

3 years ago

12. What is the value of x ?

Firlakuza [10]

Answer:

If that dot in the middle is the middle of the circle, then that should mean the center is 5 away from both of those lines. Therefore, I believe x would 9/2 or 4.5

4 0

2 years ago

I would like you to help me with that since I do not understand very well please

JulijaS [17]

When you see the symbol "△", this denotes a triangle. Now combine the symbol with the letters FGH, this becomes △FGH, meaning a triangle FGH, with F, G, and H as the three points.

Now, the symbol "∠" means angle and "m∠" means the measure of an angle. So m∠F means the angle at the point F, m∠G means the angle at the point G, and m∠H means the angle at the point H. (I'll attach a diagram of this triangle).

Now we have to determine m∠H, which is the angle at point H. To do that, we have to find the value of $x$ . To do that, we have to use one of the laws of a triangle, which is:

The sum of angles in a triangle = 180°. This means when we add all the angles in a triangle, it sums up to 180°. Let's do that.

$\angle F + \angle G + \angle H = 180\textdegree \\\angle F = (5x - 6)\textdegree, \angle G = (3x + 16)\textdegree, \angle H = (x + 8)\textdegree \\(5x - 6) + (3x + 16) + (x + 8) = 180\\5x + 3x + x - 6 + 16 + 8 = 180\\9x + 18 = 180\\9x = 180 - 18\\9x = 162\\x = 18\textdegree$

Now that we have found the value of x as 18°, we can substitute its value to determine the angle H.

$m\angle H = (x + 8), x = 18\\m\angle H = 18 + 8\\m\angle H = 26\textdegree$

I hope you understand the explanation.

8 0

3 years ago