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lina2011 [118]
2 years ago
5

-91.81 as a mixed number.

Mathematics
1 answer:
Leya [2.2K]2 years ago
4 0

Answer: -91\frac{81}{100}

Step-by-step explanation:

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A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
vesna_86 [32]

Answer:

The width is 50 yards and the length is 141 yards.

Step-by-step explanation:

Let's call: L the length of the field and W the width of the field.

From the sentence, the perimeter of the rectangular playing field is 382 yards we can formulate the following equation:

2L + 2W = 382

Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

So, replacing this last equation on the first one and solving for W, we get:

2L + 2W = 382

2(3W - 9) + 2W = 382

6W -18 +2W = 382

8W - 18 = 382

8W = 382 + 18

8W = 400

W = 400/8

W = 50

Replacing W by 50 on the following equation, we get:

L = 3W - 9

L = 3(50) - 9

L = 141

So, the width of the rectangular field is 50 yards and the length is 141 yards.

3 0
2 years ago
A restaurant charges a single price for its buffet. The total bill for a table of 6 people having the buffet was $294. Each of t
torisob [31]
$392 for the second table

294÷6=49
49×8=392
7 0
2 years ago
The measure of an angle is 173°. What is the measure of its supplementary angle?
barxatty [35]

Answer:

7

Step-by-step explanation:

3 0
2 years ago
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Ms. Lynch has 21 coins in nickels and dimes.
bulgar [2K]

Answer:

Step-by-step explanation:So we know x + y = 21 and 5x +10y = 165 We line them up in columns    x +   y =   21  5x +10y = 165 To eliminate the x variable, I'll multiply every element in the 1st equation by -5. -5x + -5y = -105  5x + 10y =  165 Now we combine (add) the equations, which eliminates x altogether.  5y = 60   ...   y = 12 From there, x + 12 = 21  ...  x = 21-12  ...  x = 9 You should double check.  Do 9 nickles and 12 dimes equal $1.65? A very important thing to remember using this method is to do the same thing to each element in the equation that you change! I hope that helps.

4 0
2 years ago
Which of the following are solutions to the equation below? check all that apply x^2+4x-9=x+1
Aleks04 [339]
The answer is C and D only
6 0
3 years ago
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