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snow_tiger [21]
4 years ago
10

2. — (xy + 1)2 - 2 Evaluate the expression

Mathematics
2 answers:
Harrizon [31]4 years ago
6 0
Answer -2xy-4
If you need work tell me
Rom4ik [11]4 years ago
5 0

Answer:

-2xy-4

Step-by-step explanation:

Hope this helps. Plz give brainliest

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You were billed $17.60 for water usage at a rate of $0.55 per gallon. Three choices are correct ways to calculate the the number
nalin [4]

We know that total bill = rate per gallon times numbers of gallons used

So 17.60 = 0.55 times g

which get match to option (a) this is correct .

Now if we divide both sides by 0.55 we would be getting :

17.60 / 0.55 = g which is slightly different than option (b) ( because it is 55 in option b but actually it should be 0.55) so this one is incorrect .

let us now come back to option (a) 17.6 = 0.55 g

if flip the sides it becomes 0.55g = 17.6 which is same as option c option c is also correct .

Let us now divide both sides of option a by g^2 which makes it

17.6/ g^2 = 0.55 /g or 0.55/g = 17.6 /g^2 which matches only left side of option d but not right side of it so this is also not a correct option

Answer : only (a) and c are correct answer .

3 0
3 years ago
Read 2 more answers
Please help
Nikitich [7]
10q-3r=14, 10q=3r-14 10q=3r/10+14/10

q=3/10r+7/5
5 0
3 years ago
Appreciate any help greatly!!
Strike441 [17]

pretty sure its E

just substitute x and z for a and c

hope it helps

7 0
3 years ago
The table shows the number of tickets each team sold. If they sold the same, how many did each sell? Remember to continue beyond
BartSMP [9]

Answer:

  each sold 60 tickets

Step-by-step explanation:

Apparently, you're supposed to set the expressions equal and solve for t; then find the values of the expressions.

  60(t -1) = 20(t +1)

  60t -60 = 20t +20  . . . . . eliminate parentheses

  40t = 80 . . . . . . . . . . . . . . add 60 -20t

  t = 2 . . . . . . . . . . . . . . . . . . divide by 40

__

  60(2 - 1) = 60 . . . . . solve for Falcons sales

  20(2 + 1) = 60 . . . . .solve for Eagles sales (should be equal; it is)

Each team sold 60 tickets.

8 0
3 years ago
How do you graph it??
trasher [3.6K]

WHat is there to graph you didnt clip anything

3 0
4 years ago
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