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saw5 [17]
3 years ago
9

Help me pleeeaaaasssseeee!!!!!!!

Mathematics
2 answers:
telo118 [61]3 years ago
4 0
(3x+1)(3x-13)


You break it apart, then take out a common factor. Hope this helps! 
Gnesinka [82]3 years ago
3 0
Sorry cant help you, that's a tough nut to crack! good luck though!
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A regular 18-sided polygon is rotated with the center of rotation at its center. What is the smallest degree of rotation needed
dem82 [27]
It will be easier to explain how to solve this question in a square. If you rotate 4-sided square from the centre, you need to rotate it 90 degrees. The formula for this would be: 360 ° /the side count. In a square, it would be 360° /4= 90°.

In 18-sided polygon, the calculation would be: 360°/ 18 side= 20°
4 0
3 years ago
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If (x)=2x^2-x-6 and g(x)=x^2-4, find f(x) ÷g(x)
liq [111]
F(x) / g(x) = (2x + 3)(x-2)/(x-2)(x+2) = (2x+3)/(x+2) 
6 0
3 years ago
Need the answer to 2. 3. 7. 8. please help! Really confused on how to do this.
Oduvanchick [21]
2. \overline{SV}||\overline{TU} (this is given in the first sentence)

3. \angle XSV\cong\angle XUT and \angle XVS\cong\angle XTU due to ...

7. ... the alternate interior angles theorem (which holds because \overline{ST} and \overline{TU} are parallel)

8. Because the above establishes that \Delta SXT\cong\Delta UXV, which means \overline{ST}||\overline{UV}, which in turn means VUTS is a parallelogram.
4 0
3 years ago
Karina uses the system of equations below to compare the monthly utility costs in July and December for electricity, x, and natu
fiasKO [112]

Answer:

d. The cost of natural gas (y) = $0.83 per unit

Step-by-step explanation:

The explanation is shown below:-

the equation of system is:

750x + 17y = 141.61  (i)        

300x + 30y =75.90 (ii)

as x indicates the cost of electricity and y indicates the costs of natural gas.

we will solve the both equation with the help of multiplication for (i) by 30 and for (ii) 75

30\times (750x  + 17y) 30\times 141.61\\\\

after solve the above equation we will get

22,500x + 510y = 4248.3 (iii)

75\times (330x + 30y) = 75\times 75.90

after solve the above equation we will get

22500x + 2250y = 5692.5 (iv)

After deducting the equation (iii) and (iv) we will get

1740 y = 1444.2

After Dividing by 15 both sides,

116y = 96.28

So, Katrina simplify the above system using linear equation and reach at the equation that is

116 y = 96.28

By Division property of equality defines that divide the equal no. of both sides of an equation:

by  Division of 116 to both sides of an equation, to get y:

\frac{116y}{116} = \frac{96.28}{116}

y = 0.83

So, the natural gas is $0.83 per unit

7 0
3 years ago
HELP ME WITH THIS PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
BaLLatris [955]

Answer:

\sqrt{3} = m

Step-by-step explanation:

So we can say;

Tan(30) = m/3

=> Tan(30) * 3 = m

=> \sqrt{3} = m

Hope this helps!

8 0
3 years ago
Read 2 more answers
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