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schepotkina [342]
4 years ago
9

Simplify -5+4-9r-7+13r

Mathematics
1 answer:
Orlov [11]4 years ago
6 0
The answer i got was
-8+4r
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A garden has the shape of isosceles right triangle the length of the hypotenuse is 24 feet what is the area of the garden?
Blababa [14]
Let one side of the triangle be x,
Now, using Pythagoras Theorem,
x²+ x²= 24²
X= 12√2
Finally, using the area of triangle formula- 1/2 x 12√2 x 12√2= 144 feet
8 0
3 years ago
kelsey made 2 pitchers of lemonade each pitcher holds 6 cups she poured 4 cups of lemonade from one pitcher what fraction of the
Karolina [17]
Well, easy . all u need 2 do is add one pitcher (6/6) with the remains of the other pitcher (2/6) = 8/6 which turns into 1 and 2/6 which is 1 and 1/3 
6 0
3 years ago
What is the domain of the function y=2x-6?<br> -00 O 0 o 3 O 6<br><br><br> help
kolezko [41]

Answer:

6 ≤ x < ∞

Step-by-step explanation:

The value of x cannot be less than 6 because that would make the term in the square root part negative. There is no real square root of a negative vale.

7 0
4 years ago
Read 2 more answers
The number 1.255 is an example of a decimal number
vodomira [7]

Answer: The statement is - True.

Step-by-step explanation:

The decimal numbers are numbers that have a decimal point in them. In this case, 1.255, we have a decimal point between the number 1 and the rest of the numbers. The number 1 is an ordinary full number, while the 0.255 is part of a number, thus the decimal.

The numbers in the decimal all have their own specific meaning. The first number is part of the tenths, in this case that is the number 2. The second number is part of the hundreds, in this case it is the number 5. The second number is part of the thousands, in this it is the last number, also number 5.

7 0
4 years ago
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31-inch piece of steel is cut into three pieces so that the second piece is twice as long as the first piece and the third piece
pychu [463]

"31-inch piece of steel is cut into three pieces"

Call the pieces a,b,c

a + b + c = 31

"second piece is twice as long as the first piece"

b = 2a

"third piece is one inch more than seven times the length of the first piece"

c = 1 + 7a

Ok, we have our equations, let's substitute the second and third into the first.

a + 2a + 1 + 7a = 31

10a + 1 = 31

10a = 30

a = 30/10 = 3

b = 2a = 6

c = 1 + 7a = 22

Check: 3 + 6 + 22 = 31, good

Answer: 3 inches, 6 inches, 22 inches


4 0
3 years ago
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