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nataly862011 [7]
3 years ago
11

Simplify the following expression using the distributive property:

Mathematics
1 answer:
Softa [21]3 years ago
6 0
You wouldn't need to use another property. Just combine like terms.

2x – 3y + 4x – 4y + 5x

11x – 7y
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A book cost $9.60 after sales tax the book is $10.20 what is the sales tax rate
lesya [120]
10.20 - 9.60 = .60
.60 % 9.60 = .0625
move the decimal 2 times to the right
so your answer is: 6.25%
5 0
3 years ago
PLS HELP Will give brainliest
Bond [772]

The answer is 3 I dont get how but thats what the mathcounts site says.

8 0
3 years ago
A room is 20 feet by 25 feet with a 10-foot ceiling. If Mickey paints the walls and the ceiling, how much surface area will he c
Svetradugi [14.3K]

Answer:

1400ft²

Step-by-step explanation:

Given

Room Dimension: 20 ft by 25 ft by 10 ft

Where Length = 20 ft

Width = 25 ft

Height = 10 ft

Required

Surface area of painted walls and ceiling

We'll assume that the room is rectangular in shape and all 4 sides are covered.

<em>This means that Mickey will paint 4 walls and 1 ceiling.</em>

The dimension of the 2 of the 4  walls is as follows;

20ft by 10ft, 25ft by 10ft,

Because opposite sides of a rectangle are equal, the dimension of the remaining 2 walls is: 20ft by 10ft, 25ft by 10ft

Calculating the area of the 4 walls;

Area = 20ft * 10ft + 25ft * 10ft + 20ft * 10ft + 25ft * 10ft

Area = 200ft^2 + 250ft^2 + 200ft^2 + 250ft^2

Area = 900ft^2

The dimension of the ceiling is as follows:

20ft by 25ft

Calculating the area of the ceiling

Area = 20ft * 25ft

Area = 500ft^2

So, the area Micky will cover = Area of 4 walls + Area of ceiling

Total Surface Area = 900ft^2 +500ft^2

Total Surface Area = 1400ft^2

Hence, Micky will cover 1400ft²

6 0
3 years ago
Mikkel pays a 4 percent state income tax on his earnings. If he earns $1,867, how much state income tax can he expect to pay? $4
lisabon 2012 [21]

Answer:

$74.68

Step-by-step explanation:

Convert the percent to a decimal.

4% = 0.04

Multiply his income by the percentage to find the tax.

$1,867 × 0.04 = $74.68

He can expect to pay $74.68.

3 0
3 years ago
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5(-2/3) this is it and I don’t know it
erma4kov [3.2K]

Answer:

4 1/3

Step-by-step explanation:

hope this helps!

4 0
3 years ago
Read 2 more answers
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