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Shalnov [3]
3 years ago
6

Solve. (3x)^2 - 7y^2 when x = 3 and y = 2

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
7 0
81-28-53 the answer is 53
Dennis_Churaev [7]3 years ago
4 0
The answer is 53. you can substitute x and y in equation

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Chloe drew a triangle with side lengths of 30 centimeters, 24 centimeters, and 18 centimeters. Juan drew a triangle with side le
vlada-n [284]

Answer:

A and B

Step-by-step explanation:

Each side in Chloe's triangle is 1.5 times the length of each side in Juan's triangle.  Thus, they are 'similar' by the <u>math </u>definition of that word, by the SSS Rule for Similar Triangles.

That means they are different only in size. So, their angle measures are the same and they are the same shape.

A and B are true.

C is never true, because the sum of all 3 angles in a triangle is always 180°.

D is not true, because they are similar.

5 0
2 years ago
Which number sentence is true?<br> 8 – 4= 11 – 8<br> 13 – 6 = 6-1<br> 6 – 5 = 7 – 6<br> Done
Anton [14]

Answer:

6-5 = 7-6

Step-by-step explanation:

4 0
2 years ago
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What is the inverse of the function f(x) = 2x + 1?
soldier1979 [14.2K]

Answer: The inverse of the linear function f(x)=2x+1 is f^(-1) (x) = (1/2)x-1/2


Solution

f(x)=2x+1

y=f(x)

y=2x+1

Isolating x: Subtracting 1 both sides of the equation:

y-1=2x+1-1

y-1=2x

Multiplying both sides of the equation by 1/2:

(1/2)(y-1)=(1/2)2x

(1/2)y-1/2=x

x=(1/2)y-1/2

Changing "x" by "f^(-1) (x)" and "y" by "x":

f^(-1) (x) = (1/2)x-1/2

8 0
3 years ago
SEE ATTACHED FOR QUESTION!!!!!!!!!!! PLS HELP ITS DUE TONIGHT!<br>FIND F(1)
blondinia [14]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
Solve using quadratic formula. X^2-13x-48=0
agasfer [191]
I hope this helps you

8 0
2 years ago
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