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Setler79 [48]
3 years ago
12

Write an algebraic expression for 14 more than the difference of r and s.

Mathematics
1 answer:
Neko [114]3 years ago
3 0

Answer: 14 + (r-s)

Step-by-step explanation:

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The perimeter of a rectangle must be less than 170170 feet. If the length is known to be 4444 feet, find the range of possible w
katrin [286]

Answer:

w \in (0,41)

where w is width of rectangle.

Step-by-step explanation:

We are given the following in the question:

The perimeter of a rectangle must be less than 170 feet.

Length of rectangle = 44 feet

Perimeter of rectangle =

2\times (\text{Length + Width})

Let w be the width of rectangle.

According to the question,

P < 170\\2(44 + w)

Thus, the width of triangle should be less than 41. Since w cannot take negative values, we can express value of w in interval notation as,

w \in (0,41)

4 0
3 years ago
The sum of the digits of a two-digit number is 12. The number formed by interchanging the digits is 54 more than the original nu
-BARSIC- [3]
Let X and Y be the digits.
If a two-digit number is written XY, then its value is 10x+y.
When the digits of the number are interchanged, it's YX, and its value is 10y+x.

The sum of the digits is 12.
The number formed by interchaning the digits is 54 more than the original number.

x+y=12 \\&#10;10x+y+54=10y+x \\ \\&#10;x+y=12 \\&#10;10x-x+y-10y=-54 \\ \\&#10;x+y=12 \\&#10;9x-9y=-54 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\div 9 \\ \\&#10;x+y=12 \\&#10;\underline{x-y=-6} \\&#10;x+x=12-6 \\&#10;2x=6 \\&#10;x=\frac{6}{2} \\&#10;x=3 \\ \\&#10;x+y=12 \\&#10;3+y=12 \\&#10;y=12-3 \\&#10;y=9

The digits X and Y are 3 and 9, so the original number is 39.
8 0
3 years ago
Is it a function????
Troyanec [42]
Yes... according to what I know:)Let
me know if I’m wrong
7 0
3 years ago
4x-3=5x-21 what does x=
torisob [31]
U subtract 4x by 5x and then you add 3 by -21 and the answer is x=18
3 0
3 years ago
Evaluate each expression <br><br> 10 (e+7)<br> E=3
Nostrana [21]
Plug in e for 3.

10(3+7)

Use the distributive property. a(b+c)= ab+ac

10*3= 30, 10*7=70

30+70=100

The expression equals 100.

I hope this helps!
~kaikers
5 0
3 years ago
Read 2 more answers
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