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3 years ago

12

A laptop has a listed price of $667.95 before tax. If the sales tax rate is 7.75%, find the total cost of the laptop with sales

tax included.
Round your answer to the nearest cent, as necessary.

1 answer:

Eva8 [605]3 years ago

4 0

Answer:

$719.72

Step-by-step explanation:

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Devisibility rules for 3, 6, and 9

fenix001 [56]

Answer:

<u>★</u><u> </u><u>Divisibility</u><u> </u><u>rule</u><u> </u><u>for</u><u> </u><u>3</u><u> </u><u>-</u>

If the sum of all the digits divisible by 3 then the number is divisible by 3.

Here, we take an example for better understanding -

<u>Example</u><u> </u><u>1</u><u> </u><u>-</u> 3525

Add up the digits - 3 + 5 + 2 + 5

→ 15

As, 15 is divisible by 3. So, 3525 is a factor of 3.

★<u> </u><u>Divisibility</u><u> rule</u><u> </u><u>for</u><u> </u><u>6</u><u> </u><u>-</u>

A number is to be divisible by 6 , if the number is also divisible by 2 and 3.

<u>Exampl</u><u>e</u><u> </u><u>2</u><u> </u><u>-</u> 132

Add up the digits = 1 + 3 + 2 = 6

As, 6 is divisible by 2 and it's also divisible by 3. Then, 132 is a factor of 6.

★ <u>Divisibility</u><u> rule</u><u> for</u><u> </u><u>9</u><u> </u><u>-</u>

If the sum of all the digits is divisible by 9 then the number is divisible by 9. Just like we'd in 3.

<u>Example</u><u> </u><u>3</u><u> </u><u>-</u> 1052

Add up the digits - 10 + 5 + 2 = 17

As, 17 is not divisible by 9. So, 1052 is also not divisible by 9.

3 0

3 years ago

Write an expression and then show the steps to solve the expression. Round to nearest hundredth. Explain what your solution mean

Semenov [28]

Answer:

see below

Step-by-step explanation:

Write an expression:

x + 1 = 1.011

solve the expression:

subtract 1 on left n right of the = sign

x + 1 - 1 = 1.011 - 1

x = 0.011

Round to nearest hundredth

x = 0.01

The solution is solving an algebra equation with the ans rounded to the hundredth.

4 0

3 years ago

A square pyramid is made up of a base with a side length of 10 inches and faces that are triangles with a height of 12 inches. W

JulijaS [17]

Answer:

3

340?Step-by-step explanation:

BTW CHECK MY QUESTIONS PLS ULL LIKE IT

8 0

2 years ago

If 3 is added to twice a number, the result is 17. Find the number

Crank

Answer:

7

Step-by-step explanation:

The text of this expression is:

"If 3 is added to twice a number, the result is 17. Find the number"

Let's call $x$ the number we want to find.

Twice the number is equal to

$2x$

So, if we add 3 to 2x, we get

$3+2x$

And we know that this is equal to 17:

$3+2x=17$

Now we can solve the equation to find x: first, we subtract 3 from both sides

$3+2x-3=17-3\\2x=14$

Now we divide both sides by 2:

$\frac{2x}{2}=\frac{14}{2}\\x=7$

7 0

3 years ago

How do I solve this?

Korvikt [17]

The interior angles of any triangle always sum to 180°.

In the triangle, angles C and D are labeled congruent, so the missing angle has measure

180° - 2 (6x - 5)°

This angle is supplementary to the one labeled (11x + 1)°, which means

180° = (11x + 1)° + (180° - 2 (6x - 5)°)

Solve for x :

180° = (11x + 1)° + 180° - 2 (6x - 5)°

0 = (11x + 1)° - 2 (6x - 5)°

0 = (11x)° + 1° - (12x)° + 10°

(12x - 11x)° = 1° + 10°

x° = 11°

x = 11

5 0

2 years ago