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trapecia [35]
3 years ago
15

PLEASE HELP ASAP WILL GIVE BRANLIESTKayla is installing a rectangular play area in her backyard so her new puppy can run around.

After installing 42 feet of fence for the play area, she still has 12 feet of fence left to install. 12 + p = 42 or p - 42 = 12
Let p represent the perimeter of the play area. Which equation models the problem?
Solve this equation to find the perimeter of the play area.
_____________ feet
Mathematics
1 answer:
diamong [38]3 years ago
3 0

Answer:

The equation is P - 42 = 12

P = 54

Step-by-step explanation:

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What is the value of the expression when s=2 and t=1.5 -3|5-s3|+3t​
Anuta_ua [19.1K]

Answer:

-4.5

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>Algebra I</u>

  • |Absolute Value| - makes any negative number positive

Step-by-step explanation:

<u>Step 1: Define</u>

-3|5 - s³| + 3t

s = 2

t = 1.5

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     -3|5 - 2³| + 3(1.5)
  2. |Absolute Value| Exponents:                                                                            -3|5 - 8| + 3(1.5)
  3. |Absolute Value| Subtract:                                                                               -3|-3| + 3(1.5)
  4. Absolute Value:                                                                                                -3(3) + 3(1.5)
  5. Multiply:                                                                                                             -9 + 4.5
  6. Add:                                                                                                                   -4.5
6 0
3 years ago
What are four equivalent expressions for 42+18
Pavel [41]
21+21+9+9=
2(9+21)=
Hope this helps
5 0
3 years ago
Find the standard deviation, σ, for the binomial distribution which has the stated values of n and p. round your answer to the n
True [87]
The standard deviation is 19.91.

To find the standard deviation is a binomial distribution, you have to take the square root of the total number multiplied by the percent and its compliment.

Our expression will be:

\sqrt{x} 1617*.57*.43

This will evaluate to about 19.91.
4 0
3 years ago
Geometry question, Major points!! Please help
Setler79 [48]

Answer:

C. x = 3cm

Step-by-step explanation:

The formula for volume of a triangular prism is

<u>V = base * height</u>

x in this case equals height, and the base is the area of the triangular base, which is

<u>A(triangle) = 1/2 b*h</u>

                 = 1/2 7*10 = 35 square centimeters

Plug this back into our formula:

V = base * height

105 = 35x

Solve for x.

105/35 = x

<u>C. x = 3 cm</u>

7 0
3 years ago
Read 2 more answers
the volume of the prism is 1122 cubic inches. use the formula V = BH to find the h of the prism. B= 93.5in.
Crank
V = Bh  ⇒  
h = V/B = 1122 / 93.5 = 12 inches.
3 0
3 years ago
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