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lbvjy [14]
3 years ago
14

Jimmy is going scuba diving. He started at 10 ft below sea level. He then dove 15 ft further, then he got nervous and came up 5

ft. Write this as an expression (im in 7th grade plz help)
Mathematics
1 answer:
ad-work [718]3 years ago
8 0

Answer:

it is 55

Step-by-step explanation:

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Given: f(x) = 3x-7, g(x)=2x2 -3x+1, h(x)=4x+1, k(x) =-x2+3 Find: k(x) +g(x)​
Afina-wow [57]

Answer:

k(x) + g(x) = x² - 3x + 4

General Formulas and Concepts:

<u>Alg I</u>

  • Combining like terms

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x - 7

g(x) = 2x² - 3x + 1

h(x) = 4x + 1

k(x) = -x² + 3

<u>Step 2: Find k(x) + g(x)</u>

  1. Substitute:                              k(x) + g(x) = -x² + 3 + 2x² - 3x + 1
  2. Combine like terms (x²):        k(x) + g(x) = x² + 3 - 3x + 1
  3. Combine like terms (Z):         k(x) + g(x) = x² - 3x + 4
7 0
3 years ago
Explain in your own words why (x + y)2 ≠ x2 + y2. Provide a numerical example to illustrate.
bekas [8.4K]
Im not sure if you wrote this wrong because (x+y)2 does equal x2+y2. An example would be if x equals 3 and y equals 4 (3+4)2=(3)2+(4)2 (7)2=6+8 14=14.
6 0
3 years ago
Help with this
IRINA_888 [86]
X= 49 because the square root of 49 IS 7. :D 
Good luck! :) 
7 0
3 years ago
In an equation, constant can change.
valina [46]
I think the answer is false
8 0
3 years ago
Uncle Drew scored 28points in 5 5/6
kap26 [50]

Answer:

it could be 2

Step-by-step explanation:

7 0
3 years ago
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