MATHEMATICS MIDDLE SCHOOL

Elena drove 245 miles last week & 222 miles this week.she estimated that she drove about 475 miles bin both weeks.how did she estimate

Answers

Answer 1
Answer: Round each number then add. :)

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four students spent $12 on school lunch .at this rate,find the amount 10 students would spend on the same school lunch
In 8/100 what is the percent
In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times 10^{-12}

A total of 562 tickets were sold for the school play. They were either adult tickets or students tickets. There were 62 more student tickets sold than adult tick. how many adult tickets were sold ?

Answers

answer: there were 250 adult tickets sold.

explanation: write an equation for this problem.

x + (x + 62) = 562
keep in mind that x is the number of adult tickets, and (x + 62) is the number of student tickets.

now solve.

x + (x + 62) = 562.
2x + 62 = 562
2x = 562
x = 250

How many solutions does the equation 3x-7=4+6+4x have?

Answers

One, x = -17, since when you work it out, it will come to this.
an equation can have only one solution,

- 1x = + 17
x = 17 / - 1
x = - 17

Aiden measures a book with paper strips. It is actually 10 paper strips long, but he gets an answer if 8. What is his mistake?

Answers

he measured the wrong side

Is y = 1 a solution to the equation 5 + 3y = 8?

Answers

Yes. It is a solution
Yes, because 3 times 1 is 3, and 3 plus 5 is 8. 8 is equal to 8. So yes. y=1 is a correct solution to the equation.

Solve for x: 3(x + 1) = 2(x - 1)
-5
-4
-2
-1

Answers

The answer would be x=-5

Answer:

D  -1

Step-by-step explanation:

3(x+1) = 2(x-1)

Use distributive property and get;

3x+3 = 2x-2

Add 2 to both sides,

3x+5 = 2x+4

Subtract 2x from both sides

1x+5 = 4

Subtract 5 from both sides

1x=-1

x = -1

In a polygon, two sides meet at a point called the

Answers

a point of any shape or polygon is called a vertex
It is called a vertex
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