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GarryVolchara [31]
3 years ago
13

Find the value of x X+8 =5x-4

Mathematics
2 answers:
charle [14.2K]3 years ago
8 0

Answer:

3 =x

Step-by-step explanation:

X+8 =5x-4

Subtract x from each side

x-x+8 =5x-x-4

8 = 4x-4

Add 4 to each side

8+4 = 4x-4+4

12 =4x

Divide each side by4

12/4 = 4x/4

3 =x

Tatiana [17]3 years ago
4 0

Answer:

I'm pretty sure the value of it is 3

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How do you work out the size of angle x ?
Andreyy89

Answer:

117°

Step-by-step explanation:

Angle of straight line is 180°

Angles in a triangle add up to 180°

starting at right

180 - 101 = 79° at right side angle in triangle

now solving left side angle

180 - 38 - 79 = 63°

now solving x using left side angle, must add to 180°

x + 63 = 180°

x = 117°

8 0
3 years ago
Read 2 more answers
Students took a typing test. The number of words per minute students could type are listed below. 40, 47, 25, 32, 48, 55, 33, 56
const2013 [10]

Answer:

50

Step-by-step explanation:

The median number is known as the middles number

The first step is to rearrange the set of numbers starting from the lowest

25, 32, 32, 32, 33, 40, 47, 47, 48, 55, 56

Hence the middle number is 50

8 0
2 years ago
The volume of the cone shown below is 108pie cm^3. What is the value of H?
saw5 [17]

Answer:

h = 4cm

Step-by-step explanation:

Diameter = 18cm

Radius = Diameter/2 = 18/2 = 9cm

V = 1/3*pi*r^2*h

We know that the volume is 108pi cm^3. We can just plug in 108pi cm^3 for V and we also know that our Radius (r) is 2.

So,

108 pi = 1/3*pi*9^2*h

108 pi = (81pi*h)/3

multiply 3 from both side

108pi*3 = (81pi*h)/3 *3

324pi = 81pi*h

Now divide the 81pi from both side

324pi/81pi = (81pi*h)/81pi

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3 0
2 years ago
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Hey can you please help me posted picture of question :)
andriy [413]
The answer is the answer is C and F.

This is found by inserting the equation above into the quadratic formula or -b plus or minus the square root of b^2 - 4ac over 2a.

With that, you find that the first number is a -3, which eliminates choices B and D.

Then, solving the 4ac portion, you find that inside the square root the number is 29, which gives you the last two answer choices.

Hope this helps!
5 0
3 years ago
35 is 29% of what number
ladessa [460]

Answer:

10.15 is 29% of 35.

Step-by-step explanation:

7 0
2 years ago
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