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mars1129 [50]
3 years ago
6

When x = 5, the value of the expression –2(x – 10) is

Mathematics
1 answer:
Nikitich [7]3 years ago
7 0
Ten subtracted from five is negative five.Negative five multiplied by negative two is ten


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Your school's drama club charges $4 per student for admission to Our Town. The club borrowed $400 from parents to pay for costum
inna [77]

Answer:

125 students attend.

Step-by-step explanation:

We already know that the drama club made $500 (500 - 400 = 100)

divide 500 by 4 to find out how many students attend the play, and paid $4

500 ÷ 4 = 125

125 students attend.

6 0
3 years ago
On a certain hot​ summer's day, 645 people used the public swimming pool. The daily prices are $1.75 for children and $2.50 for
VladimirAG [237]

Answer:

327 children and 318 adults

Step-by-step explanation:

The x be the amount of children and y be the amount of adults that were at the swimming pool. We can use this to set up a system of equations:

x+y=645

1.75x+2.50y=1367.25

Move y to the other side in the first equation to isolate x and solve the system using substitution:

x=645-y

  1.75(645-y)+2.50y=1367.25

Distribute

1128.75-1.75y+2.50y=1367.25

         1128.75+0.75y=1367.25

Subtract 1128.75 from both sides

                        0.75y=238.5

Divide both sides by 0.75

                                y=318

x=645-y

x=645-318

x=327

327 children and 318 adults swam at the pool that day

4 0
2 years ago
Can you check if I did this right? (:
ra1l [238]
The graph looks accurate make sure you create a table of values and clearly dot the points at (0,-3) and (2,-3).
7 0
3 years ago
Read 2 more answers
What is the decay factor of the exponential function represented by the table? o w/n who O 02 O 6​
Gwar [14]

Answer:

1/3

Step-by-step explanation:

For each term multiply each number to see what value you get, only 1/3 makes sense

18 x 1/3 =6

6 x 1/3= 2

4 0
3 years ago
Which system of inequalities does the graph represent?
SSSSS [86.1K]

Answer:system of linear equalities in one variable .

Step-by-step explanation:

3 0
3 years ago
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