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Whitepunk [10]
3 years ago
9

Please help !!!!!!!!!!1

Mathematics
2 answers:
Zarrin [17]3 years ago
7 0

Answer:

I bet it is C.

Step-by-step explanation:

Check with someone else just to be sure

Furkat [3]3 years ago
6 0

Answer:

C Trust me

Step-by-step explanation:

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A number of two digits is increased by 54 when the digits are reversed. The ten digits is three times the unit digit. Find the n
bija089 [108]

Let <em>n</em> be the unknown number. We can write it as

<em>n</em> = 10<em>a</em> + <em>b</em>

with <em>a</em> and <em>b</em> integers between 1 and 9 (either with positive or negative sign).

Reversing the digits gives another number

<em>m</em> = 10<em>b</em> + <em>a</em>

The first number is increased by 54 when the digits are reversed, which means

<em>m</em> = <em>n</em> + 54   →   10<em>b</em> + <em>a</em> = 10<em>a</em> + <em>b</em> + 54   →   9<em>b</em> - 9<em>a</em> = 54   →   <em>b</em> - <em>a</em> = 6

The digit in the tens place of <em>n</em> is 3 times the digit in the ones place, so

<em>a</em> = 3<em>b</em>

Substitute this into the previous equation and solve for <em>b</em> :

<em>b</em> - <em>a</em> = <em>b</em> - 3<em>b</em> = -2<em>b</em> = 6   →   <em>b</em> = -3

Solve for <em>a</em> :

<em>a</em> = 3<em>b</em> = 3(-3) = -9

Then the original number is <em>n</em> = 10<em>a</em> + <em>b</em> = 10(-9) + (-3) = -93

3 0
3 years ago
Read 2 more answers
Find an equation for the nth term of the arithmetic sequence.
Sunny_sXe [5.5K]

Answer:

asdop

Step-by-step explanation:

5 0
3 years ago
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Find the slope of the line containing the pair of points.<br> (-11,12) and (7, - 2)
Allushta [10]

Answer:

-7/9

Step-by-step explanation:

The slope of the line is -7/9

12+2/-11-7=

14/-18=

7/-9=

-7/9

6 0
3 years ago
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Simplify each expression as much as possible, and rationalize denominators when applicable. √72=?
Misha Larkins [42]

Answer:

6√2

Step-by-step explanation:

Solving the given expression step by step:

72 = 2 × 2 × 2 × 3 × 3

Now for finding the square root we will make pair of two numbers of same values.

We have one pair of 2's and one pair of 3's and left one 2

Thus, √72 = 2 × 3 × √2 = 6√2

We rationalize denominator and change it into a simpler form as soon as possible.

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List the sides of the triangle in order from largest to smallest.
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Translate it to english
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