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cestrela7 [59]
3 years ago
11

Use the distributive property to simplify the following expression: -3(-x - 3y)

Mathematics
1 answer:
alexandr402 [8]3 years ago
7 0

Step-by-step explanation:

-3(-x -3y) = 3( x +3y) = 3x+9y

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it's about 18 percent decrease**** so 20 percent to round up

Step-by-step explanation:

5 0
3 years ago
A fruit company delivers its fruit in two types of boxes: large and small. A delivery of 5 large boxes and 2 small boxes has a t
nikdorinn [45]

Each large box weighs 15 kilograms and each small box weighs 13.5 kilograms.

Step-by-step explanation:

Let,

Weight of large box = x

Weight of small box = y

According to given statement;

5x+2y=102      Eqn 1

3x+8y=153      Eqn 2

Multiyplying Eqn 1 by 4

4(5x+2y=102)\\20x+8y=408\ \ \ Eqn\ 3

Subtracting Eqn 2 from Eqn 3

(20x+8y)-(3x+8y)=408-153\\20x+8y-3x-8y=255\\17x=255

Dividing both sides by 17

\frac{17x}{17}=\frac{255}{17}\\x=15

Putting x=15 in Eqn 2

15(3)+8y=153\\45+8y=153\\8y=153-45\\8y=108

Dividing both sides by 8

\frac{8y}{8}=\frac{108}{8}\\y=13.5

Each large box weighs 15 kilograms and each small box weighs 13.5 kilograms.

Keywords: linear equation, elimination method

Learn more about elimination method at:

  • brainly.com/question/10541435
  • brainly.com/question/10666510

#LearnwithBrainly

4 0
3 years ago
Math binder is 3/4 inches thick how many binders will fit on a shelf 3 feet wide
Zigmanuir [339]

Answer:

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Step-by-step explanation:

36 inches

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flip around the fractio

36 x 4/3 = 48

OR 36 x 1.25=48

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1 year ago
Horse races are often measured in furlongs. Oakland Park is 6 furlongs. How long is that in miles? (1 furlong = 1/8 mile)
Pachacha [2.7K]
1 furlong = 1/8 miles
6 furlongs = x miles
xmiles = 1/8(6 furlongs)
Xmiles= 3/4 miles
Which is 0.75 miles



Please give my answer the brainliest
7 0
3 years ago
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