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Ede4ka [16]
3 years ago
12

Simplify the expression:

Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0
1. Pretty sure -2x+4/3
2. x+3/x-4
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Which line in the graph has the equation y= 1/2x + 2
Alexxx [7]

Answer:

3

Step-by-step explanation:

y= mx +b

b the y-intercept and is 2  so is red or purple line

m is the slope = 1/2  so rise 1 and run 2 is the purple line

4 0
3 years ago
The areas of two similar triangles are 9cm2, and 49cm2. One of the sides of the first triangle is 2cm. What is the length of the
BlackZzzverrR [31]

Answer:

4 2/3  cm

Step-by-step explanation:

When we have area, it is the related to the scale factor by the scale factor squared

Area large/ area of small = 49/9

Take the square root

sqrt(49/9)  = 7/3

The scale factor is 7/3    large to small

The small side is 2 cm

large         7            x cm

--------   =  ------ =  -----------

small           3           2 cm

Using cross products

7*2 = 3x

Divide by 3

14/3 = 3x/3

14/3 = the large side

4 2/3  cm

3 0
2 years ago
What does the phrase between 7.2 and 7.6 inclusive mean
Naddik [55]
It means that if u subtract idk lol
6 0
3 years ago
Using the information that
seropon [69]

Answer:

a) 54.6

b) 140

Step-by-step explanation:

7644 ÷ 140 = 54.6

so;

7644 ÷ 54.6 = 140

7 0
3 years ago
Read 2 more answers
SOMEONE HELP PLEASE !!! <br><br> n^2 - m; use m = 7, and n = 8
gladu [14]

Answer:

57

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

n² - m

m = 7

n = 8

<u>Step 2: Evaluate</u>

  1. Substitute:                    8² - 7
  2. Exponents:                   64 - 7
  3. Subtract:                       57
7 0
2 years ago
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