MATHEMATICS MIDDLE SCHOOL

What is the standard form of x + 4 -5x -2

Answers

Answer 1
Answer: -4x-2+4
or -4x+4-2
Without variable they can go in any order.

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Drew read 120 pages of his book which was 0.60 of his book . How many pages are in the book.

Answers

The equation would be 120/0.60 so that would =200
I hope this helps you! :D
200 pages are in the book

The average weight of the largest fish, the whale shark, is 50,000 pounds. How many tons is this?

Answers

1 ton = 2000 lbs
so we just need to divide 50,000 by 2000 and we have our answer
(50000)/(2000) = 25 tons

The perimeter of a parallelogram is 72 meters.The width of the parallelogram is four meters less than its length. Find the length and the width of the parrellelogram

Answers

Parallelogram have 4 sides.

Use the distributive property. 2 multiply the last and negative 4 in the parentheses.
2l + 2(l - 4) = 72 m

Combine Like terms
2l + 2l - 8 = 72 m
4l - 8 = 72 m
Get l all by itself by adding 8 to both sides
4l - 8 = 72 m
+8. +8

Divide both sides by 4
4l = 80
4. 4

l= 20

The width of the parallelogram is four meters less than its length.

4 sides
2 length = 20
2 width = 16

I got 16 by subtracting 4 from 20

Comment if you need any other help :)

Mrs.jackson bought 7 dozen eggs if each student is given the same out of eggs how many eggs are left

Answers

Without knowing the number of students she has, you will not be able to answer the question correctly. There are 12 eggs in one dozen. 12 x 7 dozen = 84 eggs.You still need to know the number of students.

On a coordinate plane, a line goes through points (2, 4) and (3, 1).Which are solutions of the linear equation?
Select all that apply.

3x + y = 10

(1, 6)
(2, 4)
(3, 1)
(4, –1)
(5, –5)

Answers

Answer:

(2,4), (3,1), (5,5)

Step-by-step explanation:

All you have to do is plug the values in:

3(1)+6=10 is not true it equals 9

3(2)+4=10 is true (3*2=6+4=10)

3(3)+1=10 is true (3*3=9+1=10)

3(4)-1=10 is not true it equals 11

3(5)-5) is true (3*5=15-5=10)

Answer:

(2,4)  (3,1)  (5,-5)

Step-by-step explanation:

I got it right on Edge 2020

The cost y (in dollars) to rent a car is proportional to the number x of days that you rent the car. It costs $207 to rent the cars for 3 days. Write an equation that represents the situation.

Answers

207/3= x 
Because if you divide 207, by three you get the daily cost of the rental car. From then on, you can easily find the cost of the rental car over any amount of time. I hope this helped!  
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