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BigorU [14]
3 years ago
14

Can anyone give me the answer to these questions? :)​

Mathematics
1 answer:
labwork [276]3 years ago
8 0

Answer:

13.(8p-13)

14.(5y+1)

15.(11x+12)

Step-by-step explanation:

13. So combine like terms and then you get your answer

14. Same concept as question 13, just combine like terms

15. Also this is combining like terms and it’s pretty straight forward 3x+2x+x+5x=11x and 10+2=12

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Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.
Katena32 [7]

Answer:

Dependent Equations

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Coordinates (x, y)
  • Solving systems of equations by substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

y = 5x

20x - 4y = 0

<u>Step 2: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em> [2nd Equation]:                                                                        20x - 4(5x) = 0
  2. Multiply:                                                                                                             20x - 20x = 0
  3. Combine like terms:                                                                                         0 = 0

Here we see 0 does indeed equal 0.

∴ our systems has an infinite amount of solutions.

6 0
3 years ago
Read 2 more answers
Mallory is a pilot last week she flew the following round trip in miles 2,020; 1,358; 952; 2,258; and 1,888. which of the follow
Alex73 [517]
2000+1400+1000+2300+1900=8600, so the answer would be about 8600 miles. Sorry, I couldn't see the picture if that is what it was. I did not see any multiple choices. If you can, comment the choices.
4 0
3 years ago
What is a coterminal angle for 130 degrees that’s in between 0 and 360 degrees.
Ymorist [56]

Answer:

it's already a coterminal angle. the goal is too get the degree into that range of 0-360.

For example, the degree 450 would be 90.

450-360 = 90

So, 130 is your answer

8 0
4 years ago
3. A cone has a heighth and a base with radius r. You want to change the cone so its volume is tripled. What is the new height i
Sphinxa [80]

Answer:

Hence the new height  is 3 times the original height .(h1=3h)

Step-by-step explanation:

Given:

A cone with  has height and base with radius r .

To Find:

What is new height

Solution:

Consider as cone with height h base radius r, and volume v

Here given that only height changes for the cone  i.e. r remains the unchanged or same or constant

The volume for a regular cone is given by ,

V=pie*r^2*h/3

Here V is directly proportional to h i.ee pie ,3 and r being constant

V=K*h

i.e V/h=constant

V1 and h1 are new dimensions for new cone

V/h=V1/h1

Here V1=3V

So V/h=3V/h1

1/h=3/h1

i.e  h1=3h

Hence the height  is 3 times the original height .

4 0
3 years ago
Por outro want to be<br> The graph shows f(x) = (x – h)2. What is the value of<br> h?<br> h =
ipn [44]
H is 728282 I’m not 100% sure tho
3 0
3 years ago
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