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dedylja [7]
3 years ago
6

3. A value meal is advertised at $6.95. If a family of four wants 4 of these value meals, round up and estimate how much

Mathematics
1 answer:
tiny-mole [99]3 years ago
6 0

Answer:

$27.8

Step-by-step explanation:

For 1 meal = $6.95

Then 4 × 6.95 = 27.8

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Rewrite the following polynomial in standard form <br> -x2 + 1 + 2x
fenix001 [56]

Answer:

-5x^4+8x^3-2x+1

Step-by-step explanation:

5 0
3 years ago
If a2= 18 and a4= 8, find two possible common ratios. Then, write two sequences lhaving five terms each.
Marizza181 [45]

common ratio = a4/a3 = a3/a2

8/a3 = a3/18

(a3)^2 = 8 * 18

(a3)^2 = 144

a3 = 12 or a3 = -12

common ratio = 8/12 or common ratio = 8/(-12)

common ratio = 2/3 or common ratio = -2/3

Answer: 12 or -12

3 0
3 years ago
nickel has an approximate diameter of 20 mm and an approximate thickness of 2 mm what is the approximate volume of a stack of 40
ziro4ka [17]

Answer:

The approximate volume of a stack of 40 nickels is 25132.741 cubic milimeters.

Step-by-step explanation:

A nickel can be modelled by the formula of a right cylinder, the approximate volume of the stack of nickels (V_{net}), measured in cubic milimeters, is the product of the number of elements (n), no unit, and the volume of each element (V), measured in cubic milimeters. That is:

V_{net} = n\cdot V (1)

By volume equation of right cylinder, we have the following formula:

V_{net} = \frac{\pi}{4}\cdot n \cdot D^{2}\cdot h (2)

Where:

n - Amount of nickels, no unit.

D - Diameter of nickel, measured in milimeters.

h - Thickness of nickel, measured in milimeters.

If we know that n = 40, D = 20\,mm and h = 2\,mm, then the net volume of the stack of nickels is:

V_{net} = \frac{\pi}{4}\cdot (40)\cdot (20\,mm)^{2}\cdot (2\,mm)

V_{net} \approx 25132.741\,mm^{3}

The approximate volume of a stack of 40 nickels is 25132.741 cubic milimeters.

8 0
3 years ago
5/6 in cubic cm rounded to the nearest tenth
ollegr [7]

Answer:

5/6 cubic inches = 5/6 x 16.38 cubic cms

= 13.65 cubic cms

Step-by-step explanation:

We are asked to convert 5/6 cubic inches in cubic cm rounded to the nearest tenth

1 inch =2.54 cms.

Hence 1 cubic inches = 16.38 cubic cms

Hence 5/6 cubic inches = 5/6 x 16.38 cubic cms

= 13.65 cubic cms

7 0
3 years ago
Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Aliun [14]

Answer:

1/2x^2-2x

Step-by-step explanation:

x^2+2x+1/2x^4+2x^3-2x^2-2x

(x+1)(x+1)/2x(x+1)(x+1)(x+1)

8 0
3 years ago
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