3 years ago

What multiplication problem is modeled below?

1 answer:

5 0

The answer is the bottom one cause the green part is 4/8 and the yellow part is 3/8 and that's what the bottom one says your welcome

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Evaluate the function f(r) = √r + 1 - 1 at the given values of the independent variable and simplify.

neonofarm [45]

Step-by-step explanation:

I'm going to assume you meant to write $\sqrt{r+1}$ in the equation as +1 - 1 wouldn't make much sense since they would just cancel out.

a. $f(-1) = \sqrt{-1 + 1} - 1\\ f(-1) = \sqrt{0} - 1\\f(-1) = 0-1\\f(-1) = -1$

b. $f(24) = \sqrt{24 + 1} - 1\\ f(24) = \sqrt{25} - 1\\f(24) = 5 - 1\\f(24) = 4$

c. $f(x-1) = \sqrt{(x-1)+1} -1\\f(x-1) = \sqrt{x} - 1$

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Diano4ka-milaya [45]

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Step-by-step explanation:

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3 years ago

In a right triangle, one of the legs is 5 cm smaller than the hypotenuse, and the other leg is 10 cm smaller than the hypotenuse

nata0808 [166]

Answer:

25 cm.

Step-by-step explanation:

If the hypotenuse is x cm long the 2 legs are x-5 and x-10 cm long.

So by the Pythagoras theorem:

x^2 = (x - 5)^2 + (x - 10)^2

x^2 = x^2 - 10x + 25 + x^2 - 20x + 100

x^2 - 30x + 125 = 0

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We can discard x = 5 because that would make the lengths of the legs negative so the hypotenuse = 25 cm long.

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Vanyuwa [196]

Answer:

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Step-by-step explanation:

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3 years ago

What multiplication problem is modeled below? ​

What multiplication problem is modeled below?