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mario62 [17]
2 years ago
13

15-2x=-7x what does x equal

Mathematics
1 answer:
Degger [83]2 years ago
4 0

Answer:

x = -3

Step-by-step explanation:

15 - 2x = -7x

add 2x

15 = -5x

divide by -5

-3 = x

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Name the ordered pair that corresponds to an angle of a pi radians
olga2289 [7]

Answer:

3π (540°) and 5π(900°)

Step-by-step explanation:

π radian = 180° degree

in the trigonimitrical cercle each point is taken by many values

so π position is also -π position

to move from π to -π you should move 360° (wich is 2π) backwards

π-2π = π

so  -π = π +2π

you can get as much as you can of values similar to π using the formula :

π + 2*k*π where k is a relative number

  • k=1

π+ 2*1*π = 3π

  • k=2

π+2*2*π = 5π

3π is 540°

5π is 900°

7 0
3 years ago
3 cm<br> 4 cm<br> 2 cm<br> 4 cm<br> 3 cm
Karolina [17]
Cm wait what is the question
6 0
2 years ago
Read 2 more answers
2. You rent a car and are offered 2 payment options. You can pay $25 a day plus $0.15 a mile
vichka [17]

Answer:

>60

Step-by-step explanation:

The difference in miles is 0.25 per mile. Because there is 15$ difference in initial payment then after 60 miles (60x0.25=$15) A will be better option. At $60 A and B are same and lower than B is better

5 0
2 years ago
Solve:<br> x+ 10 - 5 = -9
neonofarm [45]
X = -14

x+10-5=-9
x+5=-9
x=-14
7 0
3 years ago
Simplify the expression. (3.14×107)×(1.3×10−3)÷0.2<br> Scientific notation PLS!
marusya05 [52]

3.14 \times 107 = 335.98
(335.98) \times (1.3 \times 10 - 3) \div 0.2
1.3 \times 10 = 13 - 3 = 10
(335.98) \times (10) \div 0.2
335.98 \times 10 = 3359.8
3359.8  \div 0.2 = 16799
1.6799 \times  {10}^{4}


5 0
3 years ago
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