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3 years ago

Tom buys a pen holder for $5 and 10 pens for $1 each. The sales tax for the whole purchase is $3.

Mathematics

2 answers:

mr Goodwill [35]3 years ago

5 0

20% should be the answer! :)))

disa [49]3 years ago

4 0

The answer would be 20 percent.

Hope I helped, and if I did, then please feel free to vote brainliest!

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One light-year equals 5.9 x 1012 miles. How many light-years are in 6.79

inna [77]

Option B

The number of light years in $6.79 \times 10^{16}$ miles is 11508 light years

<em><u>Solution:</u></em>

Given that,

One light-year equals 5.9 x 10^12 miles

Therefore,

$1 \text{ light year } = 5.9 \times 10^{12} \text{ miles }$

To find: Number of light years in $6.79 \times 10^{16}$ miles

Let "x" be the number of light years in $6.79 \times 10^{16}$ miles

Then number of light years in $6.79 \times 10^{16}$ miles can be found by dividing $6.79 \times 10^{16}$ miles by miles in 1 light year

$\text{Number of light years in } 6.79 \times 10^{16} miles = \frac{6.79 \times 10^{16}}{5.9 \times 10^{12}}\\\\\text{Use the law of exponent }\\\\\frac{a^m}{a^n} = a^{m-n}\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = \frac{6.79}{5.9} \times 10^{16-12}\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = 1.1508 \times 10^4\\\\\text{Number of light years in } 6.79 \times 10^{16} miles = 11508$

Thus number of light years in $6.79 \times 10^{16}$ miles is 11508 light years

3 0

3 years ago

What is the multiplicative inverse of (-3) + (-6) quick place

Yuri [45]

Answer:

-1/6

Step-by-step explanation:

I looked it up

8 0

2 years ago

Consider the function f(x) = (x − 3)2(x + 2)2(x − 1). The zero has a multiplicity of 1. The zero −2 has a multiplicity of?

Gnom [1K]

The -2 has a multiplicity of 2

Since the order of (x+2) is squared, i.e. power is 2

8 0

3 years ago

Read 2 more answers

Help I will give you 10 points please help

maxonik [38]

Answer:

Look Below

Step-by-step explanation:

1. A person would have to work 9 Hours to get 63$ for 7$ per hour.

2. Reese is 16 years old because if you do 34 - 18 = 16. Or you could do 16 + 18 = 34 to confirm it.

3. 10 - 4 = 6 Sean is 6 feet tall total because if you do a subtraction problem with the two variables you get 6.

4. I am not able to see the numbers on the right unfortunately so all you have to do for this one is to minus how much her brother has by 8 to get her amount.

Hope This Helps! Have A Good Day! Good Luck With Your Work!

7 0

3 years ago

Look at the picture please and solve, if its wrong ill report you for just picking a random answer

Sveta_85 [38]

Answer: - (27/40)

Step-by-step explanation:

-(3/8) / (5/9) is the same as -(3/8) × (9/5)

-((3×9) / (8×5))

-(27/40)

7 0

4 years ago