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djverab [1.8K]
3 years ago
6

Evaluate the expression 9

Mathematics
2 answers:
Murljashka [212]3 years ago
7 0
The evaluation would be 3.

I hope this helps!
Sindrei [870]3 years ago
5 0

Answer:

3

Step-by-step explanation:

9/3

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The soccer teams in a club league are ordering new jerseys. The cost is $18 per jersey plus $10 shipping per team.
Lelechka [254]

Answer:

10*7+ 18x *7 =2590

or 70 + 18x*7  =2590

Step-by-step explanation:

10*7 to find out how much the shipping costs for the 7 teams altogether

18*x  because you need to find how much the jerseys cost for all the soccer teams

then multiply it by 7 to find how many players on each team

when you solve for x you get 20

there are 20 players on each on team.

4 0
3 years ago
After I substitute in y how do I determine the coordinate(s)?
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Simplifying both sides of the equation then isolating the variable
6 0
3 years ago
By what percent will a fraction decrease if its numerator is increased by 20% and its denominator is increased by 50%?
Angelina_Jolie [31]

Answer:

  20%

Step-by-step explanation:

With those changes, the fraction is multiplied by ...

  \dfrac{1+.20}{1+.50}=1-\dfrac{.30}{1.50}=1-0.20

That is, the value of the fraction is decreased by 20%.

5 0
3 years ago
Read 2 more answers
Find the m∠CDE, if m∠BCA = 90° and m∠BAC =57°.<br><br> 33°<br> 43°<br> 57°<br> 67°
garri49 [273]

Answer:

33

Step-by-step explanation:

8 0
3 years ago
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What number would you add to the equation below to complete the square?x2 + 4x = 0?
julia-pushkina [17]
------------------------------------------------------------------
Equation
------------------------------------------------------------------
x² + 4x = 0

------------------------------------------------------------------
Add a constant
------------------------------------------------------------------
x² + 4x + (4/2)² - (4/2)²  = 0   ← Add 2² to form perfect square

------------------------------------------------------------------
Evaluate bracket
------------------------------------------------------------------
x² + 4x + 2² - 2² = 0

------------------------------------------------------------------
Form the perfect square
------------------------------------------------------------------
(x + 2)² = 4 

------------------------------------------------------------------
Square root both sides
------------------------------------------------------------------
(x+2) = \pm √4

------------------------------------------------------------------
Evaluate the square root
------------------------------------------------------------------
(x+2) = \pm 2

------------------------------------------------------------------
Solve x 
------------------------------------------------------------------
x = 2 - 2 or x = -2 - 2

x = 0 or -4

------------------------------------------------------------------
Answer: The constant to add is 4 and the value of x = 0 or -4
------------------------------------------------------------------



7 0
3 years ago
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