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liq [111]
3 years ago
11

there were 2,683 books sold at a bookstore this year. there were 1,317 more books sold last year. how many books were sold last

year?
Mathematics
1 answer:
Nadya [2.5K]3 years ago
4 0

Answer:

4,000

Step-by-step explanation:

you take this years total (2683)

and add how many more there was last year (1317)

then you get 4000!!

hope it helps

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Help me with this please it's important pleaseeeeeeeeeeeeeeeeee frindes
Stells [14]

Answer:

27-64

Step-by-step explanation:

cheating in tests are bad, searching for answers in tests is also bad

but the range is 27-64

3 0
3 years ago
Which of the following is not a possible number of solutions when solving a system of equations containing a quadratic and a lin
Kobotan [32]

Answer:

3

Step-by-step explanation:

We have a system with two equations, one equation is a quadratic function and the other equation is a linear function.

To solve this system we have to clear "y" in both equations, and then equal both equations, then we will have a quadratic function and equal it to zero:

ax^2+bx+c=0, a\neq 0

Then to resolve a quadratic equation we apply Bhaskara's formula:

x_{1}=\frac{-b+\sqrt{b^2-4ac} }{2a}

x_{2}=\frac{-b-\sqrt{b^2-4ac} }{2a}

It usually has two solutions.

But it could happen that \sqrt{b^2-4ac} then the equation doesn't have real solutions.

Or it could happen that there's only one solution, this happen when the linear equation touches the quadratic equation in one point.

And it's not possible to have more than 2 solutions. Then the answer ir 3.

For example:

In the three graphs the pink one is a quadratic function and the green one is a linear function.

In the first graph we can see that the linear function intersects the quadratic function in two points, then there are two solutions.

In the second graph we can see that the linear function intersects the quadratic function in only one point, then there is one solutions.

In the third graph we can see that the linear function doesn't intersect the quadratic function, then there aren't real solutions.

7 0
3 years ago
3/4 x 1/8 in simples form
Zielflug [23.3K]

Answer:

3/32

Step-by-step explanation:

To get this answer, multiply the numerators together and the denominators together

3x1=3

4x8=32

3/32

5 0
3 years ago
Shawna works at a local pet store. When she works 3 hours, she earns $27. When she works 8 hours, she earns $72. Which equation
finlep [7]

Answer:

4

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
BRAINLEST Find the sum of the first 6 terms of the infinite series: 1 - 2 + 4 - 8+...
arsen [322]

Answer:

-21

Step-by-step explanation:

1-2+4-8+16-32

=-21

6 0
3 years ago
Read 2 more answers
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