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4 years ago

Sizes and prices of milk

1 answer:

6 0

The best option is to buy 2 gallons for $5.98 because if you do your work and check how much everything else costs for 2 gallons (example: 1/4 gallons multiplied by 8 equals $14.40 which is 2 gallons) you'll see that everything else is too expensive, and the 2 gallons for $5.98 is the best answer.

I hope this helps :)

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What is the domain in the equation y=x+1?

jeka57 [31]

Answer:

all real numbers

Step-by-step explanation:

The domain of any polynomial function is "all real numbers." There is no value of x for which y is undefined.

7 0

4 years ago

Is V81 a rational number

BaLLatris [955]

The 1.12122122212222 has a repeating pattern, so The V81 is an irrational number. it belongs to the rational numbers.

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3 years ago

Read 2 more answers

Find 2 a for a = 3 1/4 1) 6 1/2 2) 6 1/4 3) 23 1/4 4) 5 1/2

Nataly_w [17]

Answer:

1) 6 1/2

Step-by-step explanation:

Put 3 1/4 where "a" is and do the arithmetic.

2(3 1/4) = 2·3 + 2·(1/4) = 6 2/4 = 6 1/2

4 0

4 years ago

Can somebody help me? With those three problems please

s2008m [1.1K]

Answer:

15. $x = 8$

16. m<V = 103°

17. $x = 14$

Step-by-step explanation:

15. The figure given is quadrilateral. Sum of interior angles of a quadrilateral = 360°

Therefore:

$(10x + 6) + (13x - 2) + (8x - 1) + (180 - 71) = 360$

Solve for x

$10x + 6 + 13x - 2 + 8x - 1 + 109 = 360$

Add like terms

$31x + 112 = 360$

Subtract 112 from each side

$31x = 248$

Divide both sides by 31

$x = 8$

16. The polygon is a hexagon. Sum of interior angles of a hexagon = 720. Therefore:

$90 + (7x + 3) + 128 + (5x + 8) + 111 + (9x - 19) = 720$

Solve for x

$90 + 7x + 3 + 128 + 5x + 8 + 111 + 9x - 19 = 720$

Add like terms

$321 + 21x = 720$

Subtract 321 from each side

$21x = 399$

Divide both sides by 21

$x = 19$

m<V = 5x + 8

Plug in the value of x

m<V = 5(19) + 8 = 95 + 8

m<V = 103

17. The polygon is a regular pentagon. This means each of the angles measures 108°. The sum of the interior angles all together is 540.

Therefore:

$(9x - 18) = 108$

Solve for x

$9x - 18 = 108$

Add 18 to both sides

$9x = 126$

Divide both sides by 9

$x = 14$

7 0

3 years ago

How can eccentricity be used to classify conics?

pshichka [43]

All types of conic sections, arranged with increasing eccentricity. Note that curvature decreases with eccentricity, and that none of these curves intersect.

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3 years ago