How does place value help me subtract decimals?

Answers

Answer 1

Answer: You know where to line up each digit in the number in the subtraction problem

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Amanda is adding the numbers below. $3.7 x 10^(20) + 4.45 x 10^(20)$

What is the sum written in scientific notation?

Answers

Basically what you do is (the ^ arrow meaning exponent)
You take 3.7 + 4.45 x 10^20
Then 8.15 x 10^20, remove the decimal of 8.15 = 815 x 10^-2 x 10^20
815 x 10^18 = 815000000000000000000

In a classroom, the students are set up in the arrangement shown in the table.How many students are sitting at the 4 tables?

Answers

I think it’s 20 students

Answer:

Step-by-step explanation:

35 / 7 = 5

4 * 5 = 20

What is the equation for X in 4(x-7)

Answers

Answer:

Im not sure what you are asking. But if you are using distributive property then it would be simplified to 4x-28

Sorry if this isnt what you mean .-.

Answer: X= 4(x-7) = 4x-28

Step-by-step explanation: Hope this helps :)

How many triangles can be made if two sides are 4 inches and the angle between them is 90°?

Answers

2 triangles can be made

100 POINTS ANSWER FASTXin graphs the equation
y=4x – 6

Select all statements about Xin's graph that are true.

The graph is a curved line.

The line passes through the origin.

The line passes through the point (0,6)

The slope of the line is 4

The y-intercept of the line is
–6

Answers

The solutions are

The slope of the line is 4
The y-intercept of the line is –6

What is an Equation of a line?

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y coordinate of second point

y₁ = y coordinate of point one

m = slope

x = x coordinate of second point

x₁ = x coordinate of point one

Given data ,

Let the equation be y = 4x - 6

Now , the equation is of the form y = mx + b where m is the slope and b is the y-intercept

Therefore , the slope of the equation is m = 4

And the y intercept is -6

Hence , The slope of the line and the y-intercept of the line is –6

To learn more about equation of line click :

brainly.com/question/14200719

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y=mx+c where m is slope n c is y-intercept

y=4x-6

so the ans are:\

The slope of the line is 4

The y-intercept of the line is –6

suzanne needs materials for her school project. she buys 2.45 yards of material at $4.84 a yard. what is the total cost of the material? round to the nearest cent

Answers

If each yard of material costs $4.84, then you just take this amount and multiply it by 2.45. Therefore 2.45 x 4.84=11.86. Your answer is $11.86.

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