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3 years ago

Please help I'm dying

Mathematics

2 answers:

Ghella [55]3 years ago

7 0

Answer:

500 miles

Step-by-step explanation:

DIA [1.3K]3 years ago

3 0

Plan A charges 12 cents a mile plus a flat 75 dollars to rent a car. Plan B charges 35 cents a mile with no flat fee.

Plan A is cheaper if you plan to use the car on longer trips as it has the smaller rate of change but because plan B has no flat fee it's wisest to use it for shorter trips.

If the maximum is 250 miles it's always cheaper to use plan B

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What is the volume of a sphere with a radius of 14 cm?<br>Ayuda, por favor (Help please)

Nataly [62]

Answer:

see below

Step-by-step explanation:

The volume of a sphere is given by

V = 4/3 pi r^3

V = 4/3 pi ( 14)^3

V =3658.666666pi

Using 3.14 for pi

V =11488.21333 cm^3

Using the pi button

V =11494.04032cm^3

4 0

2 years ago

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In right triangle ABC shown below, what is the length of BC?

valkas [14]

I’m pretty sure it’s 6

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3 years ago

Write an equation for a parabola in which the set of all points in the plane are equidistant from the focus and line F(-6,0); x=

Bogdan [553]

Step-by-step explanation:

Since we have a vertical directrix, the equation of the parabola is

$(y - k) {}^{2} = 4p(x - h)$

Where p is the distance from the vertex to the directrix.

or the distance from the vertex to the focus.

Since we have a sideways parabola, let use the point for the directrix is (-6,0). So let find the midpoint of (-6,0) and (6,0). That would be our vertex.

$\frac{ - 6 + 6)}{2} = 0$

$\frac{0 + 0}{2} = 0$

So our vertex is (0,0).

So our equation become

${y}^{2} = 4px$

The distance from the focus and directrix is 6.

So p=6.

${y}^{2} = 24x$

So p is 6.

Since p is 6,

$\frac{ {y}^{2} }{24} = x$

3 0

2 years ago

Year Population (in millions)

iren [92.7K]

Answer:

yes

Step-by-step explanation:

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4 years ago

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Jaime knows that 30² is 900. He wonders if knowing that 30² can help him finds 29x31. Raquel knows what 25² equals. How can she

love history [14]

Step-by-step explanation:

notice that 29 is one smaller than 30 and is being multiplied by 31. it is one smaller times 31 so 900 - 31 = 869. 31 is one bigger multiplied by 29 so 869 + 29 = 898. plus 1 = 899

25 times 25 = 625

625 - 26 = 599

599 + 24 = 623

plus 1 = 624

4 0

3 years ago