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3 years ago

Which number set has only irrational numbers?

Mathematics

2 answers:

oksano4ka [1.4K]3 years ago

7 0

Answer:

The answer is D because PI is a irrational number.

Step-by-step explanation:

coldgirl [10]3 years ago

4 0

The sets containing π have that as an irrational element. The other numbers in the set are rational, so NO SET contains Only Irrational Numbers.

_____
Sets A and D appear to contain Only Rational Numbers.

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Ervin sells vintage cars. Every three months, he manages to sell 13 cars. Assuming he sells cars at a constant rate, what is the

Vladimir [108]

Ervin sells 13 cars per 3 months so 13/3=4.3 cars per month.

this means that

___month___ ___cars sold___

1 4.3
2 2*4.3
3 3*4.3
: :
n n*4.3

the linear function representing the cars sold per month is f(n)=4.3*n

(Practically, this means that the expected number of cars sold after n months is a whole number close to 4.3*n.)

Answer:

the slope is 4.3 (13/3)

7 0

3 years ago

In a vending machine, there were 27 coins, all dimes and quarters. The total value of the money was $5.10.

amm1812

Answer:

11 dimes and 16 quarters

Step-by-step explanation:

system of equations lol

5 0

3 years ago

Solve for v.<br> -8v+3(v-3) = 16

puteri [66]

Hi there! :)

Answer:

$\huge\boxed{v = -5}$

-8v + 3(v - 3) = 16

Distribute the 3:

-8v + 3(v) + 3(-3) = 16

-8v + 3v - 9 = 16

Combine like terms and simplify:

-5v - 9 = 16

-5v - 9 + 9 = 16 + 9

-5v = 25

Divide both sides by -5:

-5v/(-5) = 25/(-5)

v = -5.

7 0

2 years ago

Read 2 more answers

Starting at the park, Jake bikes 3 blocks north, 4 blocks east, 4 blocks south, 7 blocks west, and 1 block north. How many block

yan [13]

I'll use a coordinate plane for this since it's easier (for me) :)

Red = park
Blue = his trail
Pink = distance from park = 3

Hope this helped! Please comment or DM me if you have anymore questions or don't understand :)

7 0

3 years ago

Find the vertices and foci of the hyperbola with equation quantity x plus 5 squared divided by 36 minus the quantity of y plus 1

Sphinxa [80]

Answer:

Vertices: (1,-1), (-11, -1); Foci: (-15, -1), (5, -1)

Step-by-step explanation:

Center at (-5,-1) because of the plus 5 added to the x and the plus 1 added to the y.

a(squared)=36 which means a=6 and a=distance from center to vertices so add and subtract 6 from the x coordinate since this is a horizontal hyperbola, which is (1,-1), (-11,-1). From there you dont need to find the focus since there is only one option for this;

Vertices: (1,-1), (-11, -1); Foci: (-15, -1), (5, -1)

8 0

3 years ago

Read 2 more answers