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Svetach [21]
3 years ago
12

Please help!!!! It’s homework.

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

Answer:


Step-by-step explanation:

its a triangle im prety sure because of the points that were ploted

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What is f(x) = 2/3x - 1? when x = 2
Dahasolnce [82]

Answer:

f(2) = 1/3

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>

f(x) = 2/3x - 1

x = 2

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    f(2) = 2/3(2) - 1
  2. Multiply:                               f(2) = 4/3 - 1
  3. Subtract:                              f(2) = 1/3
3 0
3 years ago
The price of books are $180 but he uses a 30% discount but there is a 4% tax what is the total price?
Anna [14]

well, so the book is 180 and is discounted by 30%, how much will that be?

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{30\% of 180}}{\left( \cfrac{30}{100} \right)180}\implies 54\qquad \qquad \underset{\textit{discounted price}}{\stackrel{180-54}{126}}

so from that discounted price, a tax of 4%

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{4\% of 126}}{\left( \cfrac{4}{100} \right)126}\implies 5.04\qquad \qquad \underset{\textit{final price}}{\stackrel{126+5.04}{131.04}}

5 0
3 years ago
PLEASE HELP ...find the volume of the composite solid
Travka [436]

Answer:

≈ 113.1 in³

Step-by-step explanation:

The figure comprises of a cylinder and a cone.

  • V cylinder = bh= πr²h
  • V cone = 1/3bh = 1/3πr²h

Total volume is:

  • V = π*2²*8 + 1/3π2²*3 ≈ 113.1 in³

5 0
4 years ago
N= -5.23t +160.74 what is the slope
shepuryov [24]

The slope is the number that is multiplied by a letter.

In this case you have -5.23t, so the slope would be -5.23

6 0
3 years ago
Factor the expression using the GCF. 44−11
topjm [15]
The gcf is 11
Hope this helped
3 0
3 years ago
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