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Simora [160]
2 years ago
15

The slope of line is -1/3. what is an equation of a line that is perpendicular to line of t

Mathematics
1 answer:
GenaCL600 [577]2 years ago
8 0
If you mean -1/3x try using y=3x
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Keisha is solving the equation 7^x=9.
olganol [36]
\bf \textit{Logarithm of exponentials}\\\\
log_a\left( x^  b \right)\implies   b\cdot  log_a(x)\\\\
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7^x=9\implies \boxed{log(7^x)=log(9)}\implies x\cdot log(7)=log(9)
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x=\cfrac{log(9)}{log(7)}
3 0
3 years ago
Someone please me thank you
RSB [31]

Answer:

Graph dots in the points of the following:

(-4,10)

(-3,8)

(-2,6)

(-1,4)

(0,2)

(1,0)

(2,-2)

(3,-4)

(4,-6)

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7 0
3 years ago
Find cos theta if sin theta=3/4 and theta lies in quadrant 2
GaryK [48]
By the Pythagorean theorem, the missing side is -sqrt7. The definition of sin is side opposite over hypotenuse, so go into Q2 and make an angle and label the side opposite the angle with a 3 and the hypotenuse a 4. The other leg is -sqrt7 cuz x is negative in Q2. The cosine of an angle is the side adjacent over the hypotenuse, so the cos then is -sqrt7/4
7 0
2 years ago
An item is regular priced is at $60. It is on sale for 55% off the regular price. What is the sale price?
dalvyx [7]
0.550×$60 = $33
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Therefore, the answer is $27
5 0
3 years ago
Read 2 more answers
Solve the system:<br> 5x-7y=-41<br> -3x-5y=-3
-Dominant- [34]

Answer:

x = -4 , y = 3

Step-by-step explanation:

5x - 7y = -41 ... (i)

-3x - 5y = -3 ... (ii)

Multiplying (i) by -3 and (ii) by 5 ;

-15x + 21y = 123 ... (i)

-15x - 25y = -15 ... (ii)

Subtracting (i) by (ii) ;

0 + 46y = 138

46y = 138

y = 138 ÷ 46 = 3

Returning to equation (ii) ;

-3x - 5(3) = -3

-3x = -3 + 15

-3x = 12

x = -4

8 0
3 years ago
Read 2 more answers
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