MATHEMATICS MIDDLE SCHOOL

Distribute -2x\left(-10x+1\right).−2x(−10x+1)

Answers

Answer 1
Answer:

I'll teach you how to distribute −2x(−10x+1)

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−2x(−10x+1)

Apply the distributive law:

Ex. of distributive law:

a(b+c)= ab+ac

-2x(-10x)+(-2x)*1

Apply minus/plus rule:

2*10xx-2*1*x

Simplify 2*10xx-2*1*x:

2*10xx= 20x^2

2*1*x= 2x

20x^2-2x

Your Answer Is 20x^2-2x

plz mark me as brainliest if this helped :)

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5x - 6y = -11
3x + 6y = 3

Answers

Well there are two ways to solve this.
First is by substitutingwe would need to free one of the variable to solve it. It can be one or the other it would result in both ways.

5x - 6y = -113x + 6y = 3

3x + 6y = 3
x=(-6y+3)/3
x= -2y+1

Now we use this and put it in the other of the equations
5(-2y+1) - 6y = -11-10y+5-6y=-11
-16y=-11-5
-16y=-16
y=-16/-16
y=1
Now we use this to find x.
x=-2y+1
x=-2(1)+1
x= -2+1
x=-1
Now that we now our variables we have to check if the are correct.
5x - 6y = -115(-1)-6(1)= -11
-5-6=-11
-11=-11
3x + 6y = 3
3(-1)+6(1)= 3
-3+6=3
3=3

So yeah x=-1 and y= 1
That's a way to solve it there is another way that is by eliminating.
so i this we have to delete a variable in both equations. In thi scase we can take y becuase if we sum the bothe quation 6y and-6y get eliminated.
5x - 6y = -113x + 6y = 3 
8x= -8
x= -8/8
x=-1
Now we use this to find the other variable
5(-1) - 6y = -11-5-6y=-11
-6y= -11+5
-6y=-6
y=-6/-6
y= 1
So now we have to check if the are correct.
5x - 6y = -115(-1)-6(1)= -11
-5-6=-11
-11=-11

3x + 6y = 3
3(-1)+6(1)= 3
-3+6=3
3=3

That's that
X= -1
Y= 1

Hope it helped
5x - 6y = -11
3x + 6y = 3

Rearrange the 2nd equation:

3x + 6y = 3

Subtract 6y to both sides:

3x = -6y + 3

Divide 3 to both sides:

x = -2y + 1

Plug in 2y + 1 for 'x' in the 1st equation:

5x - 6y = -11

5(-2y + 1) - 6y = -11

Distribute 5:

-10y + 5 - 6y = -11

Combine like terms:

-16y + 5 = -11

Subtract 5 to both sides:

-16y = -16

Divide -16 to both sides:

y = 1

Plug this into any of the two equations to find 'x':

3x + 6y = 3

3x + 6(1) = 3

3x + 6 = 3

Subtract 6 to both sides:

3x = -3

Divide 3 to both sides:

x = -1

So our solution is:

(-1, 1)

Round 39,511 to the nearest 1,000

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the awnswer your looking for is 40,000 because 500 on 39,511 goes up

Prime factor of 293 in expanded form

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293 is a prime number.

293 = 1 × 293

Answer:

nice

Step-by-step explanation:

Draw a square. Place a counter on each corner, or vertex of the square that you drew.Write how many corners, or vertices.

Answers

Answer:

4

Step-by-step explanation:

Count

Can the sum of two mixed numbers be equal to 2? explain why or why not.

Answers

no it cannot because a mixed #  for example would look like this 2 3/5 it will need a whole number and a fraction
The reason why I say NO is because you can only have 1 mixed number in 2 and that would be 1 1/2 (1 1/2 + 1/2 = 2) And when you try again your numbers will be 1 and 1. So NO, you cannot have to mixed numbers in the number 2

What number goes on top

Answers

33 goes on top.

33 goes on top because the number adjacent to a box at the bottom is added up to make the box above it that overlaps it. 3+4=7, 7+9=16, and 16+17=33.

Final answer:

In mathematics, the number that goes on top is typically the numerator in a fraction. It represents the number of parts we have or the value we are considering. For example, in the fraction 3/4, 3 is the numerator and 4 is the denominator.

Explanation:

In mathematics, the number that goes on top is typically the numerator in a fraction. In a fraction, the numerator represents the number of parts we have or the value we are considering. The denominator, which goes on the bottom, represents the total number of equal parts that make up a whole.

For example, in the fraction 3/4, 3 is the numerator and 4 is the denominator. This means we have 3 out of 4 equal parts.

So, depending on the context, the number that goes on top could be the numerator in a fraction or the value we are considering in a mathematical expression.

Learn more about Mathematics here:

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