MATHEMATICS COLLEGE

When we slice a three-dimensional object, we expose new faces that are two dimensional. The two-dimensional face is called ______________.

Answers

Answer 1
Answer:

Answer:

Cross section

Step-by-step explanation:

Cross section refers to the new two dimensional face exposed when we slice through a three dimensional objects.

It can also be the surface or shape exposed by making a straight cut through something, especially at right angles to an axis.

Cross section is the plane surface(two-dimensional objects) formed by cutting across a solid shape (three-dimensional shape) especially perpendicular to its longest axis.

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Solve the system of equations. \begin{aligned} & -9x+4y = 6 \\\\ & 9x+5y=-33 \end{aligned} ​ −9x+4y=6 9x+5y=−33 ​

Answers

Answer:

x = -2

y = -3

Step-by-step explanation:

We can use either substitution or elimination for this problem. I will use elimination to solve this problem:

Step 1: Eliminate x by adding the 2 equations together

9y = -27

y = -3

Step 2: Plug in y into one of the original equations to get x

-9x + 4(-3) = 6

-9x -12 = 6

-9x = 18

x = 2

And we have our final answers!

What is the best way to organize a paragraph or passage about history of the cell phone

Answers

Answer:

Chronological Order

Step-by-step explanation:

Chronological order is the order in which items are listed based on the current time.

PLEASE HELP I WILL GIVE BRAINLIST!!!!!!!!!!!!Change to the fractional equivalent. 0.7777777... Be sure to simplify your
answer.

Answers

Answer:

7/9

Step-by-step explanation:

7 divided by 9 is .7777777777....

How to write 800 as a decimal

Answers

Answer:

The expression is already in decimal form.

800

Step-by-step explanation:

Use the number 7.14 to respond to the following:Identify the whole number.

What is the farthest place value to the right?

Write the decimal in word form.

Write the decimal in expanded form.

Answers

9514 1404 393

Answer:

  • 7
  • hundredths
  • seven and fourteen hundredths
  • 7+.1 +.04

Step-by-step explanation:

Given:

  7.14

Find:

  • the whole number
  • the farthest place value to the right
  • the decimal in word form
  • the decimal in expanded form

Solution:

a) The whole number is the integer portion, the part of the number to the left of the decimal point: 7.

__

b) The right-most place value is hundredths.

__

c) seven and fourteen hundredths

__

d) There are several versions of "expanded form." Choose the one applicable to your curriculum.

  7.14 = 7 +0.1 + 0.04

  7.14 = 7×1 + 1×.1 + 4×.01

  7.14 = 7×10⁰ +1×10⁻¹ +4×10⁻²

If the principal is $350 and the interest rate is 3 percent, what is the simple interest earned in one year?simple interest = Pxrxt

Answers

Answer:

The simple interest was found to be $9.6 after 1 year at 3%

Step-by-step explanation:

Given that

principal p= $350

rate r= 3%= 3/100= 0.03

time t= 1 year

The expression for the simple interest is given as

SI= p*r*t

SI= 320*0.03*1

SI= $9.6

After 1 year at 3% the simple interest is $9.6

Simply put the extra money earned after an investment is called the simple interest
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