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3 years ago

11

Best answer will be awarded the brainliest and 5 stars 25+5/2= show your work please

2 answers:

jonny [76]3 years ago

7 0

5/2=2.5
25+2.5=27.5
so 27.5 is the answer

Harlamova29_29 [7]3 years ago

7 0

Okay there are two ways this problem can be approached. The best method I would recommend is to turn the 25 into a like fraction so that we can add them together. So first we are going to place a 2 at the bottom of 25 ------> 25/2. We always have to remember that whatever we do to the bottom we do to the top. So, since we made the bottom a two which is technically an invisible one, we are going to multiply the top (25) by 2 which will give us 50. So now we have 50/2+5/2, which when we add together will give us 55/2. In some cases if we can we will reduce the fraction however in this case we cannot.

Your final answer is 55/2. Hope this helped! :))

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2 years ago

Find the arc length and area of a sector with radius R =60 inches and central angle equals 30° round your answer to the nearest

Black_prince [1.1K]

Answer:

(a)31.42 inches

(b)942.48 Square Inches

Step-by-step explanation:

Given a sector of a circle with the following dimensions:

Radius of the circle =60 inches

Central Angle of the sector =30°

(a)Arc Length

Arc Length $=\dfrac{\theta}{360^\circ}X2\pi r$

$=\dfrac{30}{360^\circ}X2*60*\pi\\\\=10\pi\\\\=31.42$ Inches (correct to the nearest hundredth)$

(b)Area of the sector

Area of the sector $=\dfrac{\theta}{360^\circ}X\pi r^2$

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3 0

3 years ago

Read 2 more answers

What is the mean, medium, mode of 54,220

irina [24]

Answer:

Mean: 16.75

Median: 15.5

Mode: 13

Range: 16

Minimum: 9

Maximum: 25

Count n: 16

Sum: 268

Step-by-step explanation:

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2 years ago

Which of the following is a Riemann Sum used to estimate?

fgiga [73]

Answer:

A. Area under a curve

Step-by-step explanation:

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3 years ago

If the ratio of y to x is equal to 3 and the sum of y and x is 80, what is value of y

Rus_ich [418]

Answer:

y = 60

Step-by-step explanation:

<h3>Step 1: Make sense of the given</h3>

"The ratio of y to x is 3"

This means that, $y\div x=3$

"The sum of y and x is 80"

This means, $x+y=80$

<h3>Step 2: Make use of the facts</h3>

If $y\div x=3$ , then $y = (3*x)$ .

We can plug this into the other equation by substitution:

$x + (3 * x)=80$

This simplifies to:

$4x = 80$

Which we can solve out and get:
$x=20$ .

<h3>Step 3: Plug and Chug</h3>

We solved for x, but we need the value of y.

So, we go back to the equation we first derived: " $y = (3*x)$ ".

And now we substitute the value of x, into this.

$y = (3 * (20))$

By solving this out, we get:
$y=60$

So, the value of y is 60.

3 0

2 years ago