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Hitman42 [59]
3 years ago
13

Estimate a 25% tip on a bill of $89.27 by first rounding the ball amount to the nearest ten dollars

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0
$22.32 or 22 dollars
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Find the interest rate r given I=$ 56,P=450 and t = 6 years , round your answer to the nearest
m_a_m_a [10]

Answer:

0.163

Step-by-step explanation:

P = I (1 + r)ᵗ

450 = 56 (1 + r)⁶

8.036 = (1 + r)⁶

log₆ 8.036 = 1 + r

log 8.036 / log 6 = 1 + r

1.163 = 1 + r

r = 0.163

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A parking garage charges $5 for the first hour of parking and $1.75 for each additional hour.If y represents the total cost and
jonny [76]
5 no mater what on first hour so, then on the second hour the 1.75 rate kicks in so  therefor when x=1, then y=5 so y=5+0 times 1.75
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7 0
3 years ago
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Multiply and place the decimal point in the products<br><br> ‐2.4 x ‐6. 1
11Alexandr11 [23.1K]

Answer:

14.64

Step-by-step explanation:

A negative times a negative equals a positive and there are 2 decimal places.

8 0
3 years ago
Select all the expressions that could represent the volume of a box, which is a third degree polynomial in variables x and y.
Citrus2011 [14]

Answer:

A and D

Step-by-step explanation:

Third degree polynomials refers to polynomials that has 3 as the greatest power of the variable.

A. 3 x y − 3 x y^2

Degree = 1 + 2 = 3

This option is correct

B 2y - xy^3 + 7

Degree = 1 + 3 = 4

This option is wrong

C. 3x^3y^2 -3x^2y + 10y^2 - 10y

Degree = 3 + 2 = 5

This option is wrong

D. 3x^2y+5xy

Degree = 2 + 1 = 3

This option is correct

E. 3y^3 + 3x^3 y^4

Degree = 3 + 4 = 7

This option is wrong

6 0
3 years ago
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