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zepelin [54]
3 years ago
12

Google says the answer is -6 but i have no idea how it got that (-17) -4 +19 + (-4)

Mathematics
1 answer:
nignag [31]3 years ago
7 0

Answer:

Round it

Step-by-step explanation:

i would say it's -4 but it's just a guess lol

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What is the sum of the difference?
Alona [7]

Answer:

A. 9x^4 and 3x^5y

Step-by-step explanation:

there are two ways to solve this:

first way:

You can solve this my substituting numbers for x and y in this case i used 2 for x and 3 for y and see which one is equal to the original equations

the second way is the regular way

when you add or subtract numbers with variables and exponents you want to add the constants and add the exponents in this case 5x^{4} +4x^2 is the same as (5x+4x)^(4+4) = 9x^4and you can do the same process for subtraction

12x^{5}y-9x^5 y\\(12x-9x)^(5+5)*y= 3x^5y

8 0
3 years ago
Find the midpoint of the line segment JK if j (4,6) and k(0,-4)
Snowcat [4.5K]

Answer:

(2,1)

General Formulas and Concepts:

Order of Operations: BPEMDAS

Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

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

J (4, 6)

K (0, -4)

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

  1. Substitute:                         (\frac{4+0}{2},\frac{6-4}{2})
  2. Add/Subtract:                    (\frac{4}{2},\frac{2}{2})
  3. Divide:                               (2,1)
4 0
3 years ago
Please help with math
MAXImum [283]
The last one is correct
6 0
3 years ago
(5j - 2q + 2/5) - (4 - 3j - 1/2q)
fenix001 [56]

Answer:

8j - \frac{3q}{2} - \frac{18}{5}

Step-by-step explanation:

hope this helps! :D

5 0
2 years ago
Whats the area of the trapezoid
Lelu [443]

Step-by-step explanation:

the area of a trapezoid is

(b1 + b2)/2 × h = (10 + 5)/2 × 4 = 15 × 2 = 30 in²

6 0
2 years ago
Read 2 more answers
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