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3 years ago

2 m 2m 4m 5m What is the area

Mathematics

1 answer:

belka [17]3 years ago

4 0

Answer:

80 m squared I think

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Find the value of x <br> 4 + 3x = 22 + x

guapka [62]

Answer:

x=9

Step-by-step explanation:

3x-x = 22-4

2x = 18

x = 18/2

x=9

Hope this helps!

Please mark brainliest if you think I helped! Would really appreciate!

5 0

4 years ago

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Find the inverse of the given function.

kodGreya [7K]

For this case we must find the inverse of the following function:

$f (x) = - \frac {1} {2} \sqrt {x + 3}$

We follow the steps below:

Replace f(x) with y:

$y = -\frac {1} {2} \sqrt {x + 3}$

We exchange the variables:

$x = - \frac {1} {2} \sqrt {y + 3}$

We solve for "y":

$- \frac {1} {2} \sqrt {y + 3} = x$

Multiply by -2 on both sides of the equation:

$\sqrt {y + 3} = - 2x$

We raise both sides of the equation to the square to eliminate the radical:

$(\sqrt {y + 3}) ^ 2 = (- 2x) ^ 2\\y + 3 = 4x ^ 2$

We subtract 3 from both sides of the equation:

$y = 4x ^ 2-3$

We change y by f ^ {- 1} (x):

$f ^ {- 1} (x) = 4x ^ 2-3$

Answer: $f ^ {- 1} (x) = 4x ^ 2-3$

7 0

4 years ago

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What is the vertex of the graph of the function f(x)=x^2+8x-2

Contact [7]

-8,-2

Step-by-step explanation:

7 0

3 years ago

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PLSSSSSSSSSSSSSSSSSSSSSSSSSSSS HURRRRRRRRY ITS TIMMMMMEEEEEED TESTTTTTTTTTTT

sergij07 [2.7K]

Answer:

An equation is a mathematical statement that two expressions are equal. The solution of an equation is the value that when substituted for the variable makes the equation a true statement.

Step-by-step explanation:

5 0

3 years ago

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Bryan wants to buy a new pair of jeans. If the jeans were originally $45.00, but are on sale with a 20% discount, how much will

mr Goodwill [35]

Answer:

20% of 45= 9 so you would subtract 9 from 45 getting you 39

Step-by-step explanation:

45-9=39 he would have to pay $39

6 0

3 years ago