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Zinaida [17]
2 years ago
15

Find a value of 21 + 4(3^2 -5)

Mathematics
1 answer:
Svetllana [295]2 years ago
7 0

the following answer to this question is 37.

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3 years ago
Select all the correct ratios.
erastova [34]

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3 years ago
The cost of a school banquet is 75$ plus 15$ per person.
ivann1987 [24]

Answer:

The cost of a school banquet is $75+30n, where n is the number of people attending.

If 53 people are attending to visit school banquet, then you have to find the value of given expression at n=53.

At n=53, the value is $(75+30·53)=$1,665.

Step-by-step explanation:

4 0
2 years ago
PLS ANSWER URGENT
san4es73 [151]
A) The given equation has no solution. The absolute value cannot be negative, but must be -9 in order for the equation to be satisfied.


b) |x -7| = 2 . . . . . . . the equation
Solution 1:
  -2 = x -7
  5 = x . . . . . . add 7
Solution 2
  x -7 = 2
  x = 9 . . . . . . add 7

The two numbers are {5, 9}
8 0
3 years ago
Find the x and y intercepts for 3x-3y=12
Viktor [21]

\huge \boxed{\sf C}\\\\\\\displaystyle \sf Substituting\ x=0 \\\\3(0)-3y=12\\\\-3y=12\\\\Dividing\ each\ side\ by\ -3 \\\\\frac{-3y}{-3} =\frac{12}{-3} \\\\y=-4 \\\\\\Substituting\ y=0 \\\\3x-3(0)=12\\\\3x=12\\\\Dividing\ each\ side\ by\ 3 \\\\\frac{3x}{3} =\frac{12}{3} \\\\x=4

7 0
1 year ago
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