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brilliants [131]
3 years ago
9

Please help urgent fasttt

Mathematics
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

  • Perimeter= l1+l2+w3+w4
  • Where l1 and l2 are equal in magnitude
  • Alike w3 and l
  • w4 are equal in magnitude
  • l= (2×w)+8
  • Plug it in to the equation

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Determine the value of X<br><br> AB is the mid segment of triangle LMN. Determine the value of X
r-ruslan [8.4K]

Answer:

<h2>B.  4</h2>

Step-by-step explanation:

Since ,AB is the mid segment of triangle LMN

Then

\Longleftrightarrow AB=\frac{MN}{2}

\Longleftrightarrow x+8=\frac{5x+4}{2}

\Longleftrightarrow 2\times(x+8)=5x+4

\Longleftrightarrow 2x+16=5x+4

\Longleftrightarrow 16-4=5x-2x

\Longleftrightarrow 3x=12

\Longleftrightarrow x=\frac{12}{3}=4

7 0
2 years ago
3.5x^3-2.3x^2+1.4x+15.6-1.2x^3+4.5x^2-0.3x-3.2
Kamila [148]

Answer: 12.4 + 1.1x + 2.2x^2 + 2.3x^3

Step-by-step explanation:

add the like variables

8 0
3 years ago
For the functions u(t) = 8t – 14 and<br> s(t) = t2– 16, what is s (u (3))?
hjlf

Answer:

Step-by-step explanation:

u(3) = 8(3) - 14 = 24 - 14 = 10

s(10) = 10^2 - 16 = 100 - 16 = 84

6 0
3 years ago
Find the exact value of the following.<br><br> Find -xy, for x = -75.9 and y = 2.6.<br> -xy =
julsineya [31]

Answer:

197.34

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>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

<em>x</em> = -75.9

<em>y</em> = 2.6

-xy

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     -(-75.9)(2.6)
  2. Multiply:                                                                                                             (75.9)(2.6)
  3. Multiply:                                                                                                             197.34
6 0
3 years ago
I WILL GIVE BRAINLIEST
r-ruslan [8.4K]

Answer:

A or C can be it because It is not b

3 0
3 years ago
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