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bekas [8.4K]
3 years ago
13

Need help with this math​

Mathematics
1 answer:
professor190 [17]3 years ago
3 0

hey I am from India and I went to USA last Monday

I went there with my parent ...

I lost my parents and I have my phone but I am unable to call anyone..

can you help me..

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zasha spent $6 on packages of gum. How many more packages of gum that cost $1.20 each can she buy if she has a $20 bill? in a eq
IRISSAK [1]

Answer:

17. (20.4)

Step-by-step explanation:

x times 1.20=20

x is how many packages

5 0
3 years ago
I need help with this
Effectus [21]

Answer:

The answer is B

Step-by-step explanation:

5 0
2 years ago
The stream of water from a fountain follows a parabolic path. The stream reaches a maximum height of 7 feet, represented by a ve
xenn [34]

First of all, I'm going to assume that we have a concave down parabola, because the stream of water is subjected to gravity.

If we need the vertex to be at x=4, the equation will contain a (x-4)^2 term.

If we start with y=-(x-4)^2 we have a parabola, concave down, with vertex at x=4 and a maximum of 0.

So, if we add 7, we will translate the function vertically up 7 units, so that the new maximum will be (4, 7)

We have

y = -(x-4)+7

Now we only have to fix the fact that this parabola doesn't land at (8,0), because our parabola is too "narrow". We can work on that by multiplying the squared parenthesis by a certain coefficient: we want

y = a(x-4)^2+7

such that:

  • a
  • when we plug x=8, we have y=0

Plugging these values gets us

0 = a(8-4)^2+7 \iff 16a+7=0 \iff a = -\dfrac{7}{16}

As you can see in the attached figure, the parabola we get satisfies all the requests.

3 0
3 years ago
If Dion was to purchase all 171 ticktes, then it would cost him $25.
Masteriza [31]

Answer:

He would need to purchase 8 ticket books. 8*24=192

Step-by-step explanation:

171/24=7.125 so he would need 8 books

3 0
2 years ago
How many 1/5 s make 14/10
Sliva [168]

Answer:

7

Step-by-step explanation:

\frac{14}{10}  \div  \frac{1}{5}  = 7

8 0
2 years ago
Read 2 more answers
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