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3 years ago

4. Write the radical expression in rational exponent form.5√a

Mathematics

1 answer:

ale4655 [162]3 years ago

3 0

There's ambiguity here. Either the original expression is "5 times the square root of a" or 5 is the "index of the root."

Then "5 times square root of a" would be 5a^(1/2), or
1/2
5a

. On the other hand, if you meant 5 to be the "index of the root," then the correct result would be

1/5
a

If you're left unsure of which answer is correct, try copying the original problem onto paper and then writing out the answer you believe is correct. Upload this image to Brainly and then attach it to your question.

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If sin 0=3/5, then cos 0=

vaieri [72.5K]

Answer:

$\frac{4}{5}$

Step-by-step explanation:

Given

sinΘ = $\frac{3}{5}$ = $\frac{opposite}{hypotenuse}$

Then the hypotenuse = 5 and one leg of the right triangle is 3

Using Pythagoras' identity to find the second leg (x)

x² + 3² = 5²

x² + 9 = 25 ( subtract 9 from both sides )

x² = 16 ⇒ x = 4

cosΘ = $\frac{adjacent}{hypotenuse}$ = $\frac{4}{5}$

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

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3 years ago

The lengths of two sides of a right triangle are 5 inches and 8 inches. What is the difference between the two possible lengths

svp [43]

Answer:

a.) 10.0

Step-by-step explanation:

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2 years ago

You found some, but not all, of the correct numbers.

Agata [3.3K]

Answer:

Z=-3 or Z=11

Step-by-step explanation:

we know that

The distance between point Y and point Z is 7 units

The point Y is located on the number line at 4

we have two possibilities

The point Z could be located to the right of point Y

The point Z could be located to the left of point Y

Z is either 7 units to the left of 4 or 7 units to the right of 4

<em>First case</em>

point Z to the right of point Y

To find out the coordinate of point Z sum the distance YZ to the coordinate of point Y

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therefore

The first possibility is

Point Z is located at 11

<em>Second case</em>

point Z to the left of point Y

To find out the coordinate of point Z subtract the distance YZ from the coordinate of point Y

(4-7)=-3

therefore

The second possibility is

Point Z is located at -3

therefore

Z=-3 or Z=11

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3 years ago