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mart [117]
3 years ago
7

You are buying balloons that cost $.89 per package to decorate for a school dance. You have $14.75 to spend. How many packages o

f balloons can you buy?
Mathematics
1 answer:
rosijanka [135]3 years ago
3 0

Answer:

$16.57

Step-by-step explanation:

If you divide $14.75 by $.89 it give you answer of 16.5730337 but if you take the first 4 numbers it gives you $16.57 and you don't need to round the 7

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-2(-5 - 2) + (2)/(3)
ikadub [295]

Answer:

14 2/3 or 14.6 repeting

Step-by-step explanation:

6 0
3 years ago
How do I write names for 0.550
mojhsa [17]

Answer:

  five hundred fifty thousandths

Step-by-step explanation:

Recognize the place value of the rightmost digit, and write the name of the number that ends in that place.

The third place to the right of the decimal point is the <em>thousandths</em> place. The number between that and the decimal point is 550, <em>five hundred fifty</em>.

  five hundred fifty thousandths

3 0
3 years ago
The line $y = 3$ intersects the graph of $y = 4x^2 + x - 1$ at the points $A$ and $B$. The distance between $A$ and $B$ can be w
raketka [301]

Answer:

61

Step-by-step explanation:

Let's find the points A and B.

We know that the y-coordinates of both are 3.

So let's first solve:

3=4x^2+x-1

Subtract 3 on both sides:

0=4x^2+x-1-3

Simplify:

0=4x^2+x-4

I'm going to use the quadratic formula, x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}, to solve.

We must first compare to the quadratic equation, ax^2+bx+c=0.

a=4

b=1

c=-4

\frac{-1 \pm \sqrt{1^2-4(4)(-4)}}{2(4)}

\frac{-1 \pm \sqrt{1+64}}{8}

\frac{-1 \pm \sqrt{65}}{8}

Since the distance between the points A and B is horizontal. We know this because they share the same y-coordinate.This means we just need to find the positive difference between the x-values we found for the points of A and B.

So that is, the distance between A and B is:

\frac{-1+\sqrt{65}}{8}-\frac{-1-\sqrt{65}}{8}

\frac{-1+\sqrt{65}+1+\sqrt{65}}{8}

\frac{2\sqrt{65}}{8}

\frac{\sqrt{65}}{4}

If we compare this to \frac{\sqrt{m}}{n}, we should see that:

m=65 \text{ and } n=4.

So m-n=65-4=61.

5 0
3 years ago
Read 2 more answers
Solve 34*17 using an area model
Monica [59]
Well put 34 units on the left vertically and 17 units on the bottom hoizontially... fill it up and count how many you have
3 0
3 years ago
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jon is decerating a banner for a parade jon uses a piece of red ribben which is 3 4rths yard long jon alsoneeds blue ribben that
zhannawk [14.2K]
                    3
the ans is 3 --- 
                    4

cause blue is 5 times of red. 
5 0
3 years ago
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