3 years ago

Which set of a side lengths can be used to form a right angle?

Mathematics

1 answer:

Rashid [163]3 years ago

4 0

Answer:

Any of the Pythagorean Triples

Step-by-step explanation:

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An item is regularly priced at $85. Tom bought it at a discount of 15% off the regular price

skelet666 [1.2K]

Answer:

$72.25

Step-by-step explanation:

85 x (1-.15) = answer

85 x .85 = 72.25

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2 years ago

Read 2 more answers

On a horizontal number line, positive numbers are_____

Bond [772]

Answer:

the horizontal are called x-axis, while the vertical are called y-axis

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3 years ago

The face of a clock has a circumference of 63 in. What is the area of the face of the clock?

ryzh [129]

Answer:

The area of the clock $= 315.41\ inch^{2}$

Step-by-step explanation:

We have been given the face of the clock that is $63\ in$

So that is also the circumference of the clock.

Since the clock is circular in shape.

So $2\pi(r)=63\ inch$

From here we will calculate the value of radius $(r)$ of the clock that is circular in shape.

Then $2\pi(r)=63\ inch =\frac{63}{2\pi} = 10.02\ in$

Now to find the area of the clock we will put this value of (r) in the equation of area of the circle.

Now $\pi (r)^{2}=\pi(10.02)^{2}=315.41\ in^{2}$

So the area of the face of the clock = $315.41\ in^{2}$

6 0

3 years ago

What is the slope of the line that contains the points (4,-1) and (-1,4)

Anna11 [10]

Answer:

the slope is -1

Step-by-step explanation:

To find the slope, we use the formula

m = (y2-y1)/ (x2-x1)

= (4--1)/ (-1-4)

= (4+1)/(-5)

= 5/-5

= -1

3 0

2 years ago

What describes the reflection of the figure?

Elodia [21]

Reflection over y axis

6 0

3 years ago