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uranmaximum [27]
2 years ago
12

.

Mathematics
1 answer:
topjm [15]2 years ago
5 0

Answer:

second equation :

( 20x² — 2xy — 42y² )

Step-by-step explanation:

expand the two brackets.

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Please solve for x z=m+x
SIZIF [17.4K]

Answer:

x = z - m

Step-by-step explanation:

<u>Solving for x with steps:</u>

  • z=m+x
  • x + m = z
  • x + m - m = z - m
  • x = z - m
3 0
3 years ago
Please help me with my homework I need to submit it tomorrow on tuesday
otez555 [7]
1. Yes
2. No
3. 46.6 (recurring)
5. 22'
Sorry this is all I can do. Hope this helps :)
3 0
3 years ago
Evaluate when a=15:2(a-5)+2
sasho [114]

Answer:

22

Step-by-step explanation:

if a=15

then, 2(a-5)+2= 2(15-5)+2 = 2(10)+2= 20+2=22

7 0
3 years ago
Pls help me. This is a geo quiz and I don’t have a clue what I am doing.
Kruka [31]
3x + 5 + 4x =180
7x + 5 = 180
7x = 175
x = 25


3(25) + 5
75 + 5
80
KL = 80
4 0
3 years ago
Will mark brainliest Let f(x)=x2+3x+2 .
PSYCHO15rus [73]
METHOD 1
f(3) = 20
f(4) = 30
f(5) = 42
f(6) = 56

rate of change
f(4)-f(3)=10
f(5)-f(4)=12
f(6)-f(5)=14

then the average of change is 10+12+14 /3 = 12


METHOD 2 --- faster

rate of change = f(6)-f(3) / 6-3
= (36+18+2)-(9+9+2) / 3
= 36/3 = 12

5 0
3 years ago
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