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3 years ago

What property does the number sentence show 8+0=8

Mathematics

2 answers:

givi [52]3 years ago

7 0

For this case we have the following expression:

8 + 0 = 8

The sum has several properties.

One of them is the following one:

Neutral element: the sum has a neutral element that is 0. If you add 0 to any number the result is the same number.

Answer:

The property shown in the given expression is:

Neutral element.

denpristay [2]3 years ago

7 0

8+0=8 is an example of the identity property of addition.

The identity property of addition states that any number added to zero will equal the original number.

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If a cone-shaped water cup holds 23 cubic inches and has a radius of 1 inch, what is the height of the cup? Use 3.14 to for pi.

malfutka [58]

The formula for the volume of a cone is: $\pi r^2 \frac{h}{3}$

We know the radius and the volume, so we can solve for the height.

$23=3.14*1^2* \frac{h}{3}$

We start by multiplying both sides by 3.

$69=3.14*1*h--\ \textgreater \ 69=3.14*h$

To finish this problem, we divide both sides by 3.14 to get h on its own.

h = 21.97, so the height of the cone is 21.97 inches.

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3 years ago

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A speed skater completers a 500-meter race in 40 seconds. A cheetah runs 260 meters in 10 seconds. How do their speeds compair?

Karolina [17]

Answer:

A speed skater travels 12.5 meters per second

A cheetah travels 26 meters per second

Step-by-step explanation:

To find their speeds, divide the number of meters by the number of seconds:

Speed skater:

500/40

= 12.5 meters per second

Cheetah:

260/10

= 26 meters per second

So, a speed skater travels 12.5 meters per second and a cheetah travels 26 meters per second.

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3 years ago

Solve the proportion w/36=5/18

Ivan

Answer:

w= 10

Step-by-step explanation:

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3 years ago

Find the percent of decrease from 340 to 260. Round to the nearest tenth of a percent if necessary.

Marina CMI [18]

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 340 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 340, so we can write it down as 100%=340.

4. We know, that x% equals 260 of the output value, so we can write it down as x%=260.

5. Now we have two simple equations:

1) 100%=340

2) x%=260

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

100%/x%=340/260

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 260 is what percent of 340

100%/x%=340/260

(100/x)*x=(340/260)*x - we multiply both sides of the equation by x

100=1.30769230769*x - we divide both sides of the equation by (1.30769230769) to get x

100/1.30769230769=x

76.4705882353=x

x=76.4705882353

now we have:

260 is 76.4705882353% of 340

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Which point is located at -8.65−8.65minus, 8, point, 65?

ikadub [295]

The question is an illustration of a number line, and the point located at -8.65 is B

<h3>How to determine the point?</h3>

From the complete question, we have the following highlight

Point B is between -8 and -9, and point B is closer to -9 than -8

No other point is between -8 and -9

So, we can conclude that the point located at -8.65 is point B