MATHEMATICS MIDDLE SCHOOL

In what ways are equations useful

Answers

Answer 1
Answer: They help you figure things out... like how much money do I need to save each year to retire? Or how much will these groceries cost me??
They are immensely useful for so many reasons. Without them life would be much harder!!
Answer 2
Answer:

Answer:

In Many Ways

Step-by-step explanation:

Equations help you do complicated problems, they help you prove your thinking, equations can be used in problems which are asked to do with equations(I have lots of those kind.) Equations can help you with Pi too!

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Halfway through a bus route, 23 students have been dropped off and 48 students remain on the bus. Write an equation to determine whether there are 61 or 71 students on the bus at the begginning of the route.

Answers

Answer: The required equation is

x=23+48\n\Rightarrow\ x=71

Thus, there are 71 students on the bus at the beginning of the route.

Step-by-step explanation:

Given: The number of students dropped off = 23

The number of students remain on the bus = 48

Let 'x' be the total number of students in the bus then we get the equation as

x=23+48

On adding 23 to 48, we get 71

Hence,x=71

Therefore, There are 71 students on the bus at the beginning of the route.
48+23=71. So seventy one students were on the bus then 23 were dropped off leaving 48 remaining

Choose the statement below that describes the roots and the discriminante for this quadratic equation.

Answers

Answer:

c or a

Step-by-step explanation:

Answer:

maybe c: not sure

Step-by-step explanation:

What is x2 over 3 equal to

Answers

Answer:6

Step-by-step explanation:3 +3 like h get it

Find the unit rate of lisa walked 48 blockes in 3 hours how many blocks did she walk per hour

Answers


48/3= 16

16 blocks per hour

# of blocks walked/ time it took her to walk those blocks


first take 48 blocks and divide it by the 3 hours : 48 divided by 3; and you get 16 so 16 is your answer

Seventy-five percent of what number is 33.75?A.144
B.25.3125
C.45
D.27

Answers

Make an equation:

75% * x = 33.75

0.75x = 33.75

Divide 0.75 to both sides:

x = 45

Help help help thanks

Answers

Answer: a=2/5b + 1/5c (I may have answered your question but idk if I did)

Step 1: Add -4a to both sides.

9a−2b+−4a=4a+c+−4a

5a−2b=c

Step 2: Add 2b to both sides.

5a−2b+2b=c+2b

5a=2b+c

Step 3: Divide both sides by 5.

5a/5=2b+c/5

a=2/5b+1/5c
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