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marysya [2.9K]
3 years ago
13

I really need the answer please help me

Mathematics
1 answer:
nirvana33 [79]3 years ago
4 0

Answer: 4x+4y

Step-by-step explanation:

distribute the 4 to the terms inside the parenthesis

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Please help me with this one to as soon as possible!
Naily [24]

Answer: A

Step-by-step explanation: Alright so- it says that Justin is both in half of his friends photos (which would be 15 photos) and half of his family's photos (6 photos). The total amount of photos period is 50 photos and 15 is greater than 6. Therefore I would say A.

8 0
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Priscilla currently reads 10 pages in her book each right. She wants to
Readme [11.4K]

Answer:

13

Step-by-step explanation:

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3 years ago
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Multiple Choice :)
Ivahew [28]
Solve system of inequalities graphically

5 0
3 years ago
A set X consists of all real numbers greater than or equal to 1. Use set-builder notation to define X.
vitfil [10]

Theory:

The standard form of set-builder notation is <span>
 
{ x | “x satisfies a condition” } </span>

This set-builder notation can be read as “the set of all x such that x (satisfies the condition)”.

For example, { x | x > 0 }  is equivalent to “the set of all x such that x is greater than 0”.

 

Solution:

In the problem, there are 2 conditions that must be satisfied:

<span>1st: x must be a real number</span>

In the notation, this is written as “x ε R”. Where ε means that x is “a member of” and R means “Real number”

 

<span>2nd: x is greater than or equal to 1</span>

This is written as “x ≥ 1”

 

Answer:

Combining the 2 conditions into the set-builder notation:

<span>X = { x | x ε R and x ≥ 1 } </span>
8 0
3 years ago
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A photo that measure 5 inches in length by 7 inches in width is enlarged to 7.5 inches in length. What is the width?
galina1969 [7]

Answer:

10.5

Step-by-step explanation:

You can use ratios to solve this problem.

The original dimensions of the photo is

5 in. by 7 in.

This can be written as:

5:7

And the next is 7.5:?

Then you can use ratios to solve this.

5:7=

7.5:?

5*1.5=7.5 so you can multiply the other side by the same thing. 7*1.5=10.5

The width is 10.5 inches.

5 0
3 years ago
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