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tekilochka [14]
2 years ago
10

Ashanta buys pizza and drinks for a party.

Mathematics
2 answers:
Elanso [62]2 years ago
8 0
48.5 is all she needs
Ber [7]2 years ago
7 0

Answer:

she can buy 4 pizzas and five drinks with 2.50 to spare or 4 pizzas and 6 drinks

Step-by-step explanation:

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Tju [1.3M]

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Answer:

  no solution

Step-by-step explanation:

The discriminant is ...

  b^2 -4ac = (-4)^2 -4(2)(16) = 16 -128 = -112

A negative discriminant means there are no real solutions to the equation.

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The complex solutions are 1±i√7.

If we assume the equation has a typographical error and is intended to be ...

  2x^2 -4x -16 = 0

The solutions are x = -2 and x = 4.

3 0
3 years ago
A train has 10 cars numbered 1 through 10. If the cars are coupled randomly, what is the probability that the first3 cars are in
Pepsi [2]

You would have a 3 to 10 chance that the first 3 cars are in order


8 0
3 years ago
Read 2 more answers
The distance between planets in two stellar systems is 1.6x10^6 miles. If a spaceship is able to travel at 8,400 miles per hour,
emmainna [20.7K]

Answer:

Yes it will be able to make the journey in under a year.

Step-by-step explanation:

To find out how many hours it will take 1.6*10^2 and divide by 8400

\frac{1.6*10^2}{8400} = 190.476 hr

So it will take the space ship 190.476 hours to make the trip.

Next, ask our self, how many hours are in a year?

To find out multiply 365 * 24 = 8760 hr

The 365 = number of day in a year. The 24 = number of hours in a day.

Knowing how many hours there are in a year and how long the trip will take tells us that the journey can be made under a year since there are 8760 hours in a year and we know we can make it there in 190.476 hr traveling at 8400 mph

7 0
2 years ago
Write out a equation of a line which has a slope of 2
butalik [34]

Answer:

There are many lines with slopes of 2. When writing them, they simply need to be y = 2x + b, with which b can be any number.

Step-by-step explanation:

We know this because slope intercept form is y = mx + b, in which m is the slope of the equation.

4 0
2 years ago
Write an expression with the same meaning as " the result of multiplying 1/2 by a number, then subtracting 9". Please help
Musya8 [376]

Answer:

The needed expression is (\frac{p-18}{9} ).

Step-by-step explanation:

Here  the given expression is :

"the result of multiplying 1/2 by a number, then subtracting 9"

Let us assume the given number is p.

Firstly we multiply the given number p with (1/2).

(\frac{1}{2} ) \times p =( \frac{p}{2} )

Now, subtracting 9 from the result above, we get:

( \frac{p}{2} )  - 9 = (\frac{p-18}{9} )

So here, if the number is  p, then the result is :(\frac{p-18}{9} )

Hence, the needed expression is (\frac{p-18}{9} ).

4 0
3 years ago
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