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3 years ago

Ashley and her family ordered a meal that cost $20. Ashley paid 15% sales tax and left a

Mathematics

2 answers:

sammy [17]3 years ago

6 0

Answer:

$26

Step-by-step explanation:

15+15 +30

30% of 20 is 6

add the tax and tip to the initial $20 and you have $26

malfutka [58]3 years ago

3 0

Answer:

$26.00

Step-by-step explanation:

The sales tax is $3.00 so that would be $23.00

the 15% tip would be $3.00

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The Fergusons want to install a new tile floor in their kitchen. The kitchen is in the shape of a rectangle and is 9 feet by 12

olga_2 [115]

Answer:

27 tiles

Step-by-step explanation:

First, find the total area of the kitchen.

Use the area formula, A = lw

A = lw

A = (9)(12)

A = 108

So, the area of the kitchen is 108 sq ft

Find the area of the square tiles, using the same formula:

A = lw

A = (2)(2)

A = 4

So, the area of one square tile is 4 sq ft

Find how many tiles they will need to buy by dividing the total area by the area of one tile:

108/4

= 27

So, they will need to buy 27 tiles

3 0

3 years ago

Read 2 more answers

Whats -5n+12n+9+(-3) some one help me with this one

nikdorinn [45]

$-5n+12n+9+(-3)$

$-5n+12n+9-3$

$7n+9-3$

$=7n+6$

Hope this helps!

Thank you for posting your question at here on Brainly.

-Charlie

8 0

3 years ago

After a bride has interviewed 7 DJs to play at her wedding, her fiance tells her she needs to narrow it down to 4 DJs. In how ma

Alex17521 [72]

Answer:

840

Step-by-step explanation:

Given

$DJs = 7$

$To\ pick = 4$

Required

Determine the number of rankings

The term "ranking" as used in this question implies permutation and the required is calculated using:

$^nP_r = \frac{n!}{(n-r)!}$

Where

$n = 7$

$r = 4$

So:

$^nP_r = \frac{n!}{(n-r)!}$

$^7P_4 = \frac{7!}{(7-4)!}$

$^7P_4 = \frac{7!}{3!}$

$^7P_4 = \frac{7 * 6 * 5 * 4 * 3!}{3!}$

$^7P_4 = 7 * 6 * 5 * 4$

$^7P_4 = 840$

<em>Hence, number of ranking is 840</em>

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3 years ago

What is the value of x -3(-x)-6=-3x+10

Romashka [77]

-3(-x)-6=-3x+10
-3 -3
(-x)-6=-3x+7
-6 -6
(-x)=-3x+1

i only got this far!! im so sorry!!

7 0

4 years ago

Simplify the variable expression below as much as possible. 3x + 4 + 9 - 6

Stella [2.4K]

3x + 7 would be your answer

3 0

3 years ago

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