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zvonat [6]
3 years ago
11

Simplify the expression: 7(–3 + r) =

Mathematics
2 answers:
VikaD [51]3 years ago
5 0
-21+7r
You would just distribute the 7
hammer [34]3 years ago
3 0

Answer:

-21 + 7r

Step-by-step explanation: Please brainliest?

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Paul [167]
5.0 lb of bananas will be the weight
4 0
3 years ago
9f + 10f - 12f I need help fam
mixer [17]

Since these are all like terms, you're essentially just adding and subtracting here.

9f + 10f -12f

Add 9f and 10f.

9f + 10f = 19f

Then, subtract.

19f - 12f = 7f

Your answer is 7f.

6 0
4 years ago
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Please help! My teacher wasn’t here to explain..
ziro4ka [17]
180- 61= 119 degrees

A line is 180 degrees. You’ve been given part of the line, so that plus the other part has to equal 180. b and c are equal
5 0
3 years ago
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Determining a Number of Solutions
MatroZZZ [7]

Answer:

No Solution

Step-by-step explanation:

<u>For one solution;</u>

it will be consistent and independent ( example, x = 1 and y = 2)

<u>For no solution;</u>

it will be inconsistent and independent ( example, 0 = 2)

<u>For many solution;</u>

it will be consistent and dependent ( example, 1 = 1,  2 = 2,  y = y,  x = x)

Given;

        3x - 2y = 3 -------------- equation (1)

        6x - 4y = 1 --------------- equation (2)

6:     18x - 12y = 18 -------------equation (3)

3:     18x - 12y = 3 --------------- equation (4),     <em>  subtract (4) from (3)</em>

      --------------------------------------------

        0 - 0      =  15

     -----------------------------------------------

       0 = 15

The solution is inconsistent and independent, because zero (0) cannot be equal to 15

Thus, the system has no solution

6 0
4 years ago
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Express the number 78.263 using ones, tenths, and thousandths.
ira [324]

The number 78.263 using ones, tenths, and thousandths means

  • 8 = ones
  • 2 = tenth
  • 3 = thousandths

<h3>Place value</h3>

This is the value of each digits based on its position in a number.

It is divided into whole number part and fractional part.

Whole number part:

  • Hundred thousand
  • Ten thousand
  • Thousand
  • Hundred
  • Tens
  • Ones

Fractional part:

  • Tenths
  • Hundredth
  • Thousandths
  • Ten thousandths
  • Hundred thousandths

78.263

  • 3 = thousandths
  • 6 = Hundredth
  • 2 = tenths
  • . = decimal point
  • 8 = Ones
  • 7 = tens

Learn more about place value:

brainly.com/question/2041524

#SPJ1

7 0
2 years ago
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