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2 years ago

I AM thinking of teo number when i add them, i get 17. When i subtract them i get 5. What are the two number

Mathematics

2 answers:

agasfer [191]2 years ago

5 0

11 and 6. Adding them gets seventeen. Subtracting them gets five. Hope my answer was simple and helpful!

Sergio [31]2 years ago

3 0

I learned a process of how to do it a while ago, but I completely forgot it. The way that I solve these kind of problems is just by using guess and check until I get the answer. It usually works for me! So what I got for this answer was 11 and 6. If you add 11+6, you get 17. If you subtract 11-6, you get five. Hope I helped!

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Do 3+5 and 5+3 represent the same expression

andrezito [222]

Hello there,

Yes, 3+5 and 5+3 do represent the same expression. This expression is called the commutative property.

Hope this helps.

~Jurgen.

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2 years ago

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A circle has a circumference of 10. It has an arc length of 9/2. What is the central angle of the arc in degrees?

dem82 [27]

Answer: The central angle of the arc is 162 degrees.

Step-by-step explanation: The information available are as follows;

Circumference of the circle equals 10. Length of an arc equals 9/2. The circumference of a circle is given as;

Circumference = 2Pi x r

That means 2Pi x r = 10.

Also the length of an arc along the same circle is 9/2. Length of an arc is calculated as;

Length of arc = (X/360) x 2Pi x r

Where X is the central angle of the arc

That means;

9/2 = (X/360) x 2Pi x r

We can now substitute for the known values as follows

Length of an arc = (X/360) x 2Pi x r

9/2 = (X/360) x 10

9/2 = 10X/360

By cross multiplication we now have

(9 x 360)/(2 x 10) = X

3240/20 = X

162 = X

The angle at the center of the arc is 162 degrees.

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2 years ago

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Firlakuza [10]

The first one shows 1 cm and 7 mm, we need to convert 7 mm to cm
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The second one shows 11 inches and 5/16 inches. Between number 11 and 12, there are 16 strips and the pointer lies on fifth strip, thus it show 5/16 inches. The second one is 11 $\frac{5}{16}$ inches.

The third one shows 13 cm and 8 mm. We need to convert mm into cm.
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= 13 cm + 0.8 cm
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3 years ago

Mr. Wilson wants to park his car in the parking garage. To find the cost he uses the equation D=3H+6 where D represents the tota

kari74 [83]

Answer: 8 hours

Step-by-step explanation:

You know that Mr. Wilson uses the following equation to find the cost:

Then, if Mr. Wilson spent $30, you can follow these steps in order to calculate how many hours he parked in the parking garage:

1. You need to substitute into the given equation:

2. Now, you must solve for "H":

Therefore, based on the result, you can conclude that Mr. Wilson parked his car in the parking garage for 8 hours.

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