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NikAS [45]
3 years ago
12

5x+y=1 10x-6=34 pleasee

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
8 0

Answer:

x = 4, y = - 19

Step-by-step explanation:

Given the 2 equations

5x + y = 1 → (1)

10x - 6 = 34 → (2) , which can be solved as

10x = 40 ( divide both sides by 10 )

x = 4

Substitute x = 4 into (1) and solve for y

5(4) + y = 1

20 + y = 1 ( subtract 20 from both sides )

y = - 19

Anestetic [448]3 years ago
5 0

Answer:

=>x=4

therefore y= -19

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A 10-foot ramp must make an angle of 30degrees with the ground if it is to reach a certain window. What angle must a 15-foot ram
prohojiy [21]
<span>We know Sin theta is given by Perpendicular/ hypotenuse. Hence in this case the angle given is 30 degree and hypotenuse is given as 10 foot. Hence Sin 30= P/ 10 1/2= P/10 Hence on solving value of P is 5. Now we have to compute the theta value for Perpendicular as 5 and now the height of ramp is increased to 15 foot, hence hypotenuse is now 15 foot. Hence Sin theta= 5/15 On taking inverse of Sin Theta we will get the theta value as 19.47. Hence the angle of ramp should is 19.47 degrees.</span>
4 0
4 years ago
The graph of an exponential function passes through (2,−32) and (3,−64). Find the exponential function that describes the graph.
Greeley [361]

Answer: y=(-8)2^x

Step-by-step explanation:

The exponential function will have this form:

y=ab^x

We know that the function passes through the points (2,-32) and (3,-64). Then, we can substitute the coordinates of the point (2,-32)  into y=ab^x and solve for "a":

-32=ab^2\\\\a=\frac{-32}{b^2}

Then, we know that:

y=(\frac{-32}{b^2})b^x

Now, we neeed to substitute the coordinates of the second point (3,-64) into y=(\frac{-32}{b^2})b^x and solve for "b":

-64=(\frac{-32}{b^2})b^3\\\\-64=-32b\\\\\frac{-64}{-32}=b\\\\b=2

Substituting the value of "b" into a=\frac{-32}{b^2} we can find "a":

a\frac{-32}{2^2}\\\\a=-8

Therefore, we get that the exponential function that describes the graph, is:

y=(-8)2^x

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barxatty [35]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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