MATHEMATICS MIDDLE SCHOOL

Which of the following is a radical equation?
x+/5=12
x^2=16
3+x/7=3
7/x=14

Answers

Answer 1
Answer:

Answer:

The second one

Step-by-step explanation:

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Sage belongs to a bird-watching club. Every two days, she goes out and counts the number of Black-hooded Parakeets she sees. The sightings can be approximated by the equation y = 1/2x + 3. What is the approximate rate of change for the number of parakeets seen?31/2-1/27/2

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Answers

Answer:

Challenge #1:

Different examples:

2x+1=3x+2

4x+3=5x+4

3x+2=4x+3

Challenge #2:

Different examples:

2x+0=4x+1

3x+1=2x+5

6x+5=8x+6

Answer:

(-2x + 1 = 1x + 1) or (-4x + 2 = 2x + 2)

Step-by-step explanation:

Christopher had a part-time job doing lawn work. During June, he earned $129.99. During July, he earned $412.50. What were his total earnings for June and July?

Answers

Answer:

129.99+412.50=$542.49

Step-by-step explanation:

Áre the numbers in Quadrant 3 (-,-) negatives?

Answers

yes

numbered counterclockwise starting from top right

numbers are

2  1
3  4


right is positive
left it negative
up is positive
down is negative
quarant 3 is down and left
negative
The idea of graphing with coordinate axes dates all the way back to Apollonius in the second century B.C. Rene Descartes, who lived in the 1600s, gets the credit for coming up with the two-axis system we use today. The story goes that he lay in bed and watched flies crawling over tiles on the ceiling. He realized that he could describe a fly's position using the intersecting lines of the tiles. The system is often called the "Cartesian coordinate system" in his honor.

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Answers

Answer:

multiplication property of equality

Step-by-step explanation:

Since we are multiplying by the same amount on each side, we are using the multiplication property of equality

Answer: Multiplication Property of Equality

Step-by-step explanation:

This property states that while simplifying an expression, you can multiply both sides of the equation by any number, and it will stay true.  This property is useful here, because multiplying a fraction by its reciprocal = 1, so the expression would become 1x=-128.

Hope it helps <3

What is the GCF of 56 and 40

Answers

Okay so the factors for 56 are 1, 2, 4, 7, 8, 14, 28, and of course 56. So the factors for 40 are 1, 2, 4, 5, 8, 10, 20, and of course 40. 
Okay so now the prevalent factors are now 1, 2, 4, and 8.
So the greatest prevalent factor is now 8.
The GCF can be calculated by identifying the prevalent prime numbers and by withal multiplying them together.
The prime factors of 56 are 2, 2, 2, and 7
The prime factors of 40 are 2, 2, 2, and 5. 
Okay so now the prime factors in prevalence are 2, 2, and 2, so the greatest mundane factor is 2 x 2 x 2 = 8.
I do hope this helps you!
8 it will be there 8 goes evenly into both 56 and 40 hope this helped

Organizers for a high school graduation have set up chairs in two sections. They put 126 chairs for the graduates in the front section and 588 chairs for guests in the back section. If all rows have the same number of chairs, what is the greatest number of chairs possible for a row?

Answers

we will find the greatest common factor of numbers 126 and 588
It 42

42 would be the greatest amount of chairs in a row. This is a very simple question. All you have to do is find the GCF using a method such as birthday cake/ladder or prime factorization. Using this, you can find the GCF to be 42.
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I will really appreciate some of​ your help, it will take less than 2 minutes. thank you