MATHEMATICS MIDDLE SCHOOL

7e - 4 = 31
how can I solve this?

Answers

Answer 1
Answer: 7e-4=31
7e=4+31
7e=34
7e=34/7

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Pls simplify !−10x2 − 39x + 4−15x2 − 21x + 18

Need help with this please quick

Answers

okay so $55.00-$1.10=$54.10
About 85. 1.10 × 31 = 34.1. 55 + 34.1 = 89.1 ≈ 89 ≈ 85

When two lines intersect they form two pairs of opposite angles called?

Answers

Hello, Katrina7!

Vertical angles are when two lines intersect they form two pairs of opposite angles.

I really hope this helps;) 

Worth 90 points and a brainliest if you get them all right not lying1) Select all irrational numbers.
√4
√8
√10
√15
√36

2) Select all irrational numbers.
√3/16
√4/16
√9/16
√3/4
√9/4

3) Select "Rational" or "Irrational" to classify each number.

0.25 Rational or Irrational

0.25 Rational or Irrational

0.33 Rational or Irrational

4)Select "Rational" or "Irrational" to classify each number.
23 Rational or Irrational
π Rational or Irrational
√400 Rational or Irrational
√36 /2 Rational or Irrational

5) Select all numbers that are irrational.
π
8√
144−−−√
0.45

Answers

Answer:

See Below

Step-by-step explanation:

1)√8 √10 √15

2)√3/16 √3/4

3)

0.25 R

0.25 R

0.33 R

4)

23 R

pi IR

√400 R

(√36)/2 R if its √(36/2) then IR

5)

pi

√8

Hope this helped!

Answer:

That guy was right now let him have branlyist thing!

Step-by-step explanation:

Describe two ways to write equivalent algebraic expression

Answers

Algebraic expressions are strings of numbers, variables and mathematical operations. Equivalent expressions are those that look different but turn out to be the same. For example: 4 * ( x + 5 ) = 4 x + 20. Or x^2 - 1 = ( x + 1 ) * ( x - 1 ).

How do you simply -12x=12x into an x='s answer?

Answers

-12x = 12x

Start by moving all the terms with the variable you want to solve for on one side of the equation and the rest on the other side of the equation.

We will move 12x to the left side of the equation by subtracting 12x from both sides. Now your equation should look like:

-24x = 0

Isolate the variable x by dividing both sides by -24. Everything divided by 0 is equal to 0, so that means x will be equal to 0.

x = 0

Your answer is x = 0.

Explain why you cannot complete this equation using only +1s and -1s

(+1) +_+_+_=(+1)

Answers

you cannot because this equation doesn't need it
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