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SOVA2 [1]
3 years ago
14

Rounding or compatible numbers to estimate the sum 18 53

Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0
Answer is 20 + 50 = 70
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Which expression are differences of squares <br> Select each correct answer
Gennadij [26K]

Answer:

options are 3 and 4

Step-by-step explanation:

The difference of squares is defined as In option 1,

It can be written as

It is the sum of squares, therefore the option 1 is incorrect.

In option 2,

The number 40 is not a complete square of any number, therefore option 2 is incorrect.

In option 3,

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In option 4,

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2 years ago
Help asap, click on pic
Black_prince [1.1K]

Answer:

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Step-by-step explanation:

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Karen was trying to factor 6x^2+10 She found that the greatest common factor of these terms was 2 and made an area model
Kay [80]
<h2>Explanation:</h2><h2></h2>

In this case we have the following expression:

6x^2+10

We know that Karen was trying to factor out this and she found that the greatest common factor of these terms was 2, in other words we can write this expression as:

2(3x^2+5)

An area model for this expression could be the area of a rectangle that has the following dimensions:

W=2 \\ \\ L=3x^2+5 \\ \\ \\ Where: \\ \\ W:width \\ \\ L:length

So the area model can be written as:

A=W\times L \\ \\ \boxed{A=2(3x^2+5)}

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3 years ago
What happens when the multiplicity of a real root is odd?
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OC. the graph crosses the x-axis

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