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Ilya [14]
3 years ago
13

Is this a polygon or trapezoid?

Mathematics
2 answers:
atroni [7]3 years ago
8 0

Answer:

No

Step-by-step explanation:

this is my opinion so No

Kryger [21]3 years ago
5 0
No a trapezoid has 2 parallel lines
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What is the range for the graph shown?
Andrej [43]

Answer:

D. -2 ≤ y ≤ 3

Step-by-step explanation:

This is because range is based on y-values and so the lowest y-value here is -2 and the greatest one is 3, inclusive.

6 0
3 years ago
Read 2 more answers
Solve for x: 4x - 8 = 7x - 2<br>Anyone know the answer for this one?<br>Thanks!​
erastovalidia [21]

Answer:

\huge{ \fbox{ \tt{x =  - 2}}}

Step-by-step explanation:

\underline{ \underline{ \mathfrak{Let's \: solve}}} :

\star{ \sf{ \:  \: 4x - 8 = 7x - 2}}

\text{Step \: 1} :  \sf{Move \: 7x \: to \: left \: hand \: side \: and \: change \: its \: sign}

\mapsto{ \sf{4x - 7x - 8 =  - 2}}

\text{Step \: 2} :  \sf{Move \: 8 \: to \: right \: hand \: side \: and \: change \: its \: sign}

\mapsto{ \sf{4x - 7x =  - 2 + 8}}

\text{Step \: 3} :  \sf{Collect \: like \: terms}

\sf{Like \: terms \: are \: those \: which \: have \: same \: base}

\mapsto{ \sf{ - 3x =  - 2 + 8}}

\text{Step \: 4} :  \sf{Calculate}

\underline{ \text{Remember!}} :  \sf{The \: negative \: and \: positive \: integers \: are \: always \: subtracted \: but \: posses \: the \: sign \: of \: the \: bigger \: integer.}

\mapsto{ \sf{ - 3x =  6}}

\text{Step \: 4} :  \sf{Divide \: both \: sides \: by \:  - 3}

\mapsto{ \sf{ \frac{ - 3x}{ - 3}  =  \frac{6}{ - 3}}}

\text{ Step \: 4} :  \sf{Calculate}

\mapsto{ \sf{x =  - 2}}

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

3 0
3 years ago
Please help thank you.​
sladkih [1.3K]

Answer:

21

Explanation:

Look at the graph and add up all of the numbers. Hope this helps!

7 0
3 years ago
Write an equation for the description.   Ten times the sum of half a number x and 5 is 7.
Amanda [17]
10(1/2x + 5) = 7
That's the way to write the description of that equation. Good luck!!
7 0
4 years ago
What is the volume of the cone below?
erik [133]

Answer:

B. 3408π units³

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<u> </u>

<u>Geometry</u>

Volume of a Cone Formula: \displaystyle V = \frac{1}{3} \pi r^2h

  • <em>r</em> is radius
  • <em>h</em> is height

Step-by-step explanation:

<u>Step 1: Define</u>

Radius <em>r</em> = 12

Height <em>h</em> = 71

<u>Step 2: Find Volume</u>

  1. Substitute in variables [Volume of a Cone Formula]:                                    \displaystyle V = \frac{1}{3} \pi (12)^2(71)
  2. Evaluate exponents:                                                                                         \displaystyle V = \frac{1}{3} \pi (144)(71)
  3. Multiply:                                                                                                             \displaystyle V = \frac{1}{3} \pi (10224)
  4. Multiply:                                                                                                             \displaystyle V = 3408 \pi
8 0
3 years ago
Read 2 more answers
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