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andrew11 [14]
3 years ago
8

Given that csc(x) = - 7/4 pi < x < (3pi)/2 the exact values of sin2x, cos2x, and tan2x

Mathematics
1 answer:
Katen [24]3 years ago
7 0
The given answer would be five
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A car travels 15 kilometers west in 10 minutes. After reaching the destination, the car travels back to the starting point, agai
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Your answer to your question is C
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3 years ago
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Which equation represents a line which is parallel to the line 3x-4y=283x−4y=28?
Fed [463]

Answer:

Step-by-step explanation:in standard form y= ax+b

-4y = -3x+28

4y =3x-28

or y= 3/4 x -7

So a= 3/4 = slope and -7 is y intercept ( parallel lines have same slope)

Equation 3 is

y= 3/4x-2

which also has slope = 3/4 and y intercept = -2

Parallel lines have same slope

Similarly a perpendicular line will have slope of - 1/a

For equation

y= ax+b

Perpendicular line is

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5 0
3 years ago
A number to the 10 power divided by the same number to the 7th power equals 125 what is the number?
Tanzania [10]
The number is 5. All you have to do is make an equation based on the information you have, x will represent the missing number so, x to the power of 10 divided by x to the power of 7 is equal to 125, then solve.
4 0
4 years ago
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42 base x +53base x = 125base x. what<br>is the value of x​
Finger [1]

Answer:

<h2>x = 7</h2>

Step-by-step explanation:

The largest number is 5. Therefore x ≥ 6.

Convert numbers from x system to decimal system:

42_x=4x+2\\\\53_x=5x+3\\\\125_x=1x^2+2x+5

Solve the equation for x:

42_x+53_x=125_x\Rightarrow4x+2+5x+3=x^2+2x+5\qquad\text{combine like terms}\\\\(4x+5x)+(2+3)=x^2+2x+5\\\\9x+5=x^2+2x+5\qquad\text{subtract 5 from both sides}\\\\9x=x^2+2x\qquad\text{subtract}\ 9x\ \text{from both sides}\\\\0=x^2-7x\\\\x^2-7x=0\qquad\text{distributive}\\\\x(x-7)=0\iff x=0\ \vee\ x-7=0\\\\x=0

7 0
3 years ago
Help me asap plssssssss
Marat540 [252]

Answer:

Step-by-step explanation:

12 + 4c + c = c + 4

12 + 5c = c + 4

12 + 4c = 4

4c = -8

c =-2

4 0
3 years ago
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