3 years ago

To find sales tax multiply the cost of an item by 0.05.

Mathematics

1 answer:

krek1111 [17]3 years ago

5 0

Answer: sales tax is calculated by multiplying the price of an item by 8.5%

Step-by-step explanation:

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juin [17]

Answer:

Step-by-step explanation:

2 times 150

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4 years ago

can someone please show me where i went wrong in the following problem... use an appropriate local linear approximation to estim

Sunny_sXe [5.5K]

Y = cos(x) sqrt(3)/2 = cos(30º) dy = -sin(x)*dx dy = -sin(30º)*(pi/180) = (1/2)*(pi/180) y + dy = cos(x) - sin(x)dx y + dy = sqrt(3)/2 - (1/2)*(pi/180) = 0.8573

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3 years ago

What's additive inverse? Like for example this expression 2-16 what's the additive inverse??

Stels [109]

Answer: The multiplicative inverse is 1/2 the addition inverse is -2

Step-by-step explanation:

Since the inverse of multiplication is division, use a fraction. The inverse of addition is subtraction.

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3 years ago

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Find the number of pairs (a,b) of integers such that a+2/a+5=b/3

Viktor [21]

Answer:

Step-by-step explanation:

The expression can be rearranged to ...

b = 3 -9/(a+5)

In order for b to be an integer, (a+5) must be an integer divisor of 9. There are exactly 6 of those: ±1, ±3, ±9.

The attached table shows the values (a, b) = (x₁, f(x₁)).

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4 years ago

What is 17.70 = 7/2m + 13.50 ?

Fantom [35]

answer: $m = 1.2$

work:

$17.70 = \frac{7}{2} m + 13.50$ | subtract 13.50 and move it over

$4.2 = \frac{7}{2}m$ | divide by 7/2

$1.2 = m$ | final answer

6 0

3 years ago