Answer:
6x³ - 8x + 9
Step-by-step explanation:
Step 1: Write out expression
2x + 7 + 6x³ - 1 + 3 - 6x - 4x
Step 2: Combine like terms (x)
6x³ - 8x + 7 - 1 + 3
Step 3: Combine like terms (constants)
6x³ - 8x + 9
Answer:
625 / 5 = 125 per day
Step-by-step explanation:
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Answer:
y=10
Step-by-step explanation:
3y-8=22
-8 -8
3y=30
divide both sides by 3
y=10
Answer:
17 packs
Step-by-step explanation:
If each pack of construction paper has 495 pieces
Mrs Perkins would like to get at least 8000 pieces of construction paper
Number of Packs She will need
= Total Pieces Needed/Number of Pieces per pack
=8000/495
=
Now, 16 X 495 =7920 and this is less than the required numbers.
Therefore, She will need at least 17 packs in order to have a minimum of 8000 pieces pf construction paper
Answer:
u•u = 17
u•v = 13
v•u = u•v = 17
v•u/u•u = 13/17
Step-by-step explanation:
Given 2 column matrices
u = [-1 4] and v = [7 5]
Note that when computing product, we will multiply component wise.
To compute u times u, we will take the dot product of both column matrix.
u•u = [-1 4] • [-1 4]
u•u = (-1)(-1) + (4)(4)
u•u = 1+16
u•u = 17
To compute u times v, we will take the dot product of column matrix u and column matrix v.
u•v = [-1 4] • [7 5]
u•v = (-1)(7) + (4)(5)
u•v = -7+20
u•v = 13
v•u/u•u can be gotten by simply substituting the resulting values.
v•u/u•u = 13/17