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irina [24]
3 years ago
12

How do you solve this step by step?

Mathematics
1 answer:
mestny [16]3 years ago
8 0

Answer:

x = 9

Step-by-step explanation:

3x - 5x + 8x = 4x + 18

- 2x + 8x = 4x + 18

6x = 4x + 18

2x = 18

x = 9

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I will choose the Brainliest, please help.
VMariaS [17]

Answer:

  • 45°
  • 4 units

Step-by-step explanation:

Rotation changes nothing about the geometric relationships within the figure. Angle measures are unchanged; side lengths are unchanged.

The acute angles of an isosceles right triangle are (180° -90°)/2 = 45°. This is true regardless of the orientation of the triangle with respect to any coordinate axes.

The measures of the legs of your triangle are 0 -(-4) = 4 = (1 - (-3)). Rotating the figure any amount in any direction around any center doesn't change that.

4 0
4 years ago
Anyone know synthetic division?
hoa [83]
Use the rational root theorem
a0=16,  an=1

The dividers of a0: 1,2,4,8,16   The dividers of an:1
Therefore check the following rational numbers: +- 1,2,4,8,16/1
4/1 is a root of the expression, so factor out x-4, 

compute (x^4+13x^3-64x^2-20x+16)/(x-4) to get the rest of the equation: 
x^3+17x^2+4x-4

=(x-4)(x^3+17x^2+4x-4)/x-4

which will leave you with answer B
x^3+17x^2+4x-4
6 0
3 years ago
Please help 4 math pages with questions. 1 has all the circle graphs, and all the other 3 have each circle graphs question. Plea
oksano4ka [1.4K]

Answer:

Favorite chip Answers v

Step-by-step explanation:

1. How many were surveyed? 82+8+18+62=100

2. How many said Jalepeno was their favorite? 8/100 0r 2/25 or 8%

3. How many said BBQ was their favorite?62/100 or 31/50 or 62%

4. How would it effect your final answer if the percentages did not add up to 100%? This means that your percentages are wrong. In a circle graph the percentages always equal 100%!

5. Is it possible to determine a missing percentage in a circle graph? Yes, we can always assume the total percentage is 100 so you add your given percentages together and then subtract that total from 100 to find the missing percentage.

8 0
2 years ago
I need the answer please
navik [9.2K]
Y/4-7=3
y/4=7+3
y/4=10 /4
y=40
6 0
3 years ago
A piling for a high-rise building is pushed by two bulldozers at exactly the same time. One bulldozer exerts a force of 1250 pou
Yanka [14]

Answer:

Resultant force will act on 65° N of W.

Step-by-step explanation:

As given in the question one bulldozer exerts force of 1250 pounds in western direction and 2650 pounds in northern direction and we have to find angle A which is an angle between 1250 pounds of force and resultant force F.

Therefore tan A= Force on North direction/ Force on west direction = 2650/1250 = 2.12

⇒A=tan^{-1}(2.12)

A = 64.75

A = 65° North of west.

8 0
4 years ago
Read 2 more answers
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