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jonny [76]
3 years ago
11

If the measure of 4 is equivalent to (2x-7) what is the value of x

Mathematics
2 answers:
mart [117]3 years ago
4 0

Answer:

the value of x would be 5.5

Step-by-step explanation:

This is true by multiplying 2 by 5 and a half

Varvara68 [4.7K]3 years ago
4 0

Answer: 5.5

Step-by-step explanation:

4=2x-7

11=2x

X=5.5

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dsp73

We have:

cot(-x)cos(-x)+sin(-x)=-\frac{1}{f(x)}

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-sin(x)-cot(x)cos(x)=-\frac{1}{f(x)}

We clear f(x):

f(x)=\frac{1}{sin(x)+cot(x)cos(x)}=\frac{1}{sin(x)+\frac{cos(x)}{sin(x)}cos(x)}=\frac{1}{sin(x)+\frac{cos^2(x)}{sin(x)}}

we simply what we can:

f(x)=\frac{1}{\frac{sin^2(x)+cos^2(x)}{sin(x)}}=sin(x)

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f(x)=sin(x)

6 0
1 year ago
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Step-by-step explanation:

5 0
2 years ago
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VladimirAG [237]

8.94

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Step-by-step explanation:

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3 years ago
Write the equation in slope-intercept form. (-7,-2), (2,3)
Vadim26 [7]

Answer:

y = -5/9x + 4.1

(try doing this yourself first with different points to make sure this is the right answer, because im to lazy to check myself but ill try checking D:)

Step-by-step explanation:

first you have to find the slope . to do this use the equation y2 - y1/ x2 - x1

so write as -2 - 3/  -7 - 2 is equal to -5/-9

so now write y = -5/9x + b

we must now find the y-intercept so substitute one of the points given. lets substitute 2,3 it looks easier. So it will look like 3 = -5/9(2) + b

3 = -5/9(2) + b

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um just round to the tenth place

6 0
2 years ago
Write a system of two equations in two variables to solve the problem. when fully extended, a ladder is 28 feet in length. if th
Alisiya [41]
Let the base of the ladder be x ft and the extension be y ft.

"when fully extended, a ladder is 28 feet in length."

means: x+y=28

"<span>the extension is 4 feet shorter than the base</span>"

means: y=x-4,   that is x-y = 4, (taking y to the side of x, and -4 to the other side of x and y)

thus, we have the system of equations:

1) x+y= 28 

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x+y=28, so 16+y=28, thus y=12


Answer: Base: 16, Extension 12
5 0
2 years ago
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