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2 years ago

If a watch cost $40 and you pay 6.5% sales tax, how much will the tax be

Mathematics

2 answers:

xenn [34]2 years ago

7 0

The sales tax would be $2.60

xeze [42]2 years ago

5 0

Answer:

$2.60

Step-by-step explanation:

6.5/100 x 40 = 0.065 x 40 = 2.6

= $2.60

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What is 8.05 x 10/-5 in standard notation

Sladkaya [172]

Answer:

0.0000805

Step-by-step explanation:

8.05×10⁻⁵ = 8.05×0.00001 = 0.0000805

8 0

3 years ago

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Hal forgot the number of people at the basketball game. He does remember that the number had four digits and a 3 in the tens pla

neonofarm [45]

He could be thinking of 5,637 people at the game

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3 years ago

Simplify the expression 5+6i/4+6i A) 56-6i/-20 B) -16-6i/-20 C)56-6i/52 D) -16-6i/52

IRISSAK [1]

Answer:

$The\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.$

Option (C) is correct .

Step-by-step explanation:

As the expression given in the question as follows.

$= \frac{5 + 6i}{4 + 6i}$

Now rationalize the expression.

$= \frac{5 + 6i\times 4 - 6i}{4 + 6i\times 4 - 6i}$

Using the formula

a² - b² = (a - b) (a + b)

Using in the above

$= \frac{5 + 6i\times 4 - 6i}{(4)^{2} - (6i)^{2}}$

$= \frac{5\times 4-5\times 6i+6i\times 4-36\ i^{2}}{16 - 36(i)^{2}}$

As i² = -1

$= \frac{20-30i+24i+36}{16 + 36}$

$= \frac{56-6i}{52}$

$Therefore\ the\ simplified\ form\ of\ the\ \frac{5 + 6i}{4 + 6i}\ is\ \frac{56-6i}{52}.$

Option (C) is correct .

8 0

2 years ago

Read 2 more answers

It says factor each expression 49x-28?

NARA [144]

Answer:

7(7x -4)

Step-by-step explanation:

49x-28

We can factor a 7 from each term

49x = 7*7x

28 = 7*4

7(7x -4)

3 0

3 years ago

Evaluate the given numerical expression (5+7 to the 3rd power divided by 7 times 7

-BARSIC- [3]

${(5 + 7)}^{3} \div 7 \times 7 \\ {12}^{3} \div 7 \times 7 \\ 1728 \div 7 \times 7 \\ 1728$

8 0

2 years ago