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3 years ago

PLEASE ANSWER STRAIGHT AWAY

Mathematics

2 answers:

Marrrta [24]3 years ago

5 0

Answer:

The 4 packe is better value.

Tresset [83]3 years ago

3 0

Answer:

The 4 pack has better value.

Step-by-step explanation:

To find the toilet roll price, divide by the number of rolls.

2.04 ÷ 4 = 0.51

4.68 ÷ 9 = 0.52

0.52 > 0.51

So, the 4 pack has better value.

Have a wonderful day! :)

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There were 239 people at a Travis Scott concert. Admission to the drive-in concert was $15 for adults and $5.50 for children. Th

Tpy6a [65]

Answer:

{x + y= 239

{15x + 5.50y = 2758.50

Step-by-step explanation:

x = adults y = children and the total amount of people is 239.

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3 years ago

A pink paint mixture uses 4 cups of white paint for every 3cups of red paint

antoniya [11.8K]

Answer:

The ratio would be 4:3 is there another part to the question???

Step-by-step explanation:

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3 years ago

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Find the center, vertices, and foci for the ellipse 25x^2 + 64y^2 = 1600

Alisiya [41]

Answer:

The answer to your question is below

Step-by-step explanation:

Data

Equation 25x² + 64y² = 1600

Process

1.- Divide all the equation by 1600

25x²/1600 + 64y²/ 1600 = 1600/1600

-Simplify

x²/64 + y²/ 25 = 1

2.- Equation of a horizontal ellipse

$\frac{x^{2} }{a^{2}} + \frac{y^{2}}{b^{2}} = 1$

3.- Find a, b and c

a² = 64 a = 8

b² = 25 b = 5

-Calculate c with the Pythagorean theorem

a² = b² + c²

-Solve for c

c² = a² - b²

-Substitution

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-Simplification

c² = 64 - 25

c² = 39

-Result

c = √13

4.- Find the center

C = (0, 0)

5.- Find the vertices

V1 = (-8, 0) V2 = (8, 0)

6.- Find the foci

F1 = (-√13, 0) F2 = (√13, 0)

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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

$4•(3 + 8)$

by distributing 4 in the bracket:

$= \{(4•3) + (4•8) \}$

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