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tigry1 [53]
4 years ago
5

Write 81 more than x as an algebraic expression

Mathematics
1 answer:
julsineya [31]4 years ago
8 0
81 more than x
more than means add
81 more than x
x+81 or 81+x
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If the domain of the square root function f(x) is x<7, which statement must be true?
Delicious77 [7]

Answer:

The x-term inside the radical has a negative coefficient

Step-by-step explanation:

The argument of a square root should be ALWAYS greater or equal to zero. If the domain of the function is x<7, rearranging, we have: 0<x-7

Therefore the argument is: x-7, and the function is: y = √(x-7)

The statement "The x-term inside the radical has a negative coefficient" is the right answer.

5 0
3 years ago
Whats the overall homework score ?
Pavel [41]

Answer:

the answer is h 86.8 first you gotta take all the numbers then drop the two lowest  then you multiply the ones you hsve left then divide it by the number of grsdes there is

8 0
3 years ago
How can 33/9 be expressed as a decimal?
Vika [28.1K]
The answer to this would be B. Why? Because when you plug 33/9 into a calculator you get 3.66666666666 continuous. I hope this helps!
7 0
3 years ago
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Can someone please help me?(Fill in the blanks) This is on Khan Academy too, I need it ASAP! if you answer right I'll mark you B
Travka [436]

First divide both sides by 2:

2x^2+7x+6=0\implies x^2+\dfrac72x+3=0

Move the constant term to the right side:

x^2+\dfrac72x=-3

Since

(x+y)^2=x^2+2xy+y^2

we want to have

2y=\dfrac72\implies y=\dfrac74

Then

\left(x+\dfrac74\right)^2=x^2+\dfrac72x+\dfrac{49}{16}

So in our equation, we need to add 49/16 to both sides in order to complete the square:

x^2+\dfrac72x+\dfrac{49}{16}=-3+\dfrac{49}{16}

\implies\left(x+\dfrac74\right)^2=\dfrac1{16}

7 0
3 years ago
Horace buys 2/4 pounds of blueberries for a pie he needs 48 ounces for the pie how many more pounds of blueberries does he need
Ratling [72]
So, 2/4 pounds of blueberries reduced is 1/2 pound of blueberries. There 16 ounces in a pound and 8 ounces in 1/2 a pound. He only bought 8 ounces of blueberries and he needs 48. Subtract 8 ounces that he already has from 48 ounces that he needs and get 40 ounces.
7 0
4 years ago
Read 2 more answers
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