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3 years ago

8

Solve the quadratic equation: 5x²-2x-25=0

1 answer:

NARA [144]3 years ago

4 0

Here’s the solution

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Jude estimates that his index finger is 3 inches long. He calculates the circumference of one of his bongo drums to be 27 inches

anzhelika [568]

Answer: 9 finger lengths

Step-by-step explanation: Since the circumference is the middle line passing through (usually a circle....) 27/3 equals 9, which basically means that 9 of Jude's index fingers can pass through the circumference of one of his bongo drums. Hope this helps, 15402256.

7 0

3 years ago

If f (x) = 5 x minus 25 and g (x) = one-fifth x + 5, which expression could be used to verify g(x) is the inverse of f(x)?

Vinil7 [7]

Answer:

The expression used to represent g(x) as inverse of f(x) is $\frac{1}{5}(5x-25)+5$

Option B is correct.

Step-by-step explanation:

We are given:

$f(x)= 5x-25\\g(x)=\frac{1}{5}x+5$

We need to find the expression that could be used to verify g(x) is the inverse of f(x).

We know that $g(f(x))=x$ is inverse of function

So placing value of f(x) in g(x)

$g(f(x))=\frac{1}{5}(5x-25)+5$

So, the expression used to represent g(x) as inverse of f(x) is $\frac{1}{5}(5x-25)+5$

Option B is correct.

We can also solve to prove that $g(f(x))=x$

$g(f(x))=\frac{1}{5}(5x-25)+5\\g(f(x))=\frac{5}{5}(x-5)+5\\g(f(x))=x-5+5\\g(f(x))=x$

5 0

3 years ago

Read 2 more answers

On the grid below, which point is located in the quadrant where the x-coordinate is a positive number and the y-coordinate is a

Ann [662]

Answer:

d

Step-by-step explanation:

d=(x, y) =(8,-4) so 4th quadrant

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3 years ago

KiRa [710]

Answer:

$\left(-4,-2\right)$ , $\left(4,-2\right)$ , $\left(4,4\right)$ , and $\left(-4,4\r the perimeter and the area of the secret chamber

Step-by-step explanation:

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3 years ago

Graph the line whose x-intercept is 8 and whose y-intercept is -9.

eduard

Answer: attached image

7 0

2 years ago