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In-s [12.5K]
1 year ago
10

Find u. v. U V= (8, 2) = (-6, 3) U = V =

Mathematics
1 answer:
tresset_1 [31]1 year ago
7 0

Answer:

-42

Step-by-step explanation:

Assuming you want the dot product,

(8)(-6)+(2)(3)= -42

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in 2011, an Action Comics no. 1, featuring first appearance of superman, was sold at auction for $2,161,000. The comic book was
Salsk061 [2.6K]

Price of book in 1938 = $ 0.10

Price of book in 2011 = $ 2,161,000

Number of years over 1938-2011 = 2011 - 1938 = 73

Annual increase in the price = ((\frac{\text{Price of book in 2011}}{\text{Price of book in 1938}}) ^ \frac{1}{\text{Number of years}} - 1 ) * 100

⇒ Annual increase in the price = ((\frac{2,161,000}{0.1}) ^ \frac{1}{73} - 1 ) * 100

⇒ Annual increase in the price = (1.260302283  - 1 ) × 100

⇒ Annual increase in the price = 0.260302283 × 100

⇒ Annual increase in the price = 26.0302283 %

⇒ Annual increase in the price = 26%

Hence, the comic book price increased by 26% annually

3 0
3 years ago
in wereda election where four candidates appeared for election, the winning candidate received 36,000 votes which represented 45
Dmitry [639]

Let's see

Total votes be x

  • 45% of x=3600
  • 0.45x=3600
  • x=3600/0.45
  • x=8000

Now total percentage of vote

  • 45+20+25+6=96%

Not voted=4%

Find not voted

  • 0.04(8000)
  • 320

Total voted

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7 0
1 year ago
Read 2 more answers
Find the inner product for (7,1) (0 -2) and state whether the vectors are perpendicular.
Fofino [41]

Answer:

the answer is 67.980

Step-by-step explanation:

6 0
3 years ago
The density of lead is 11.4g/cm^3 at 25 degrees C. Calculate the volume occupied by 25.0g of lead
ElenaW [278]

Answer:

2.193 cm³

Step-by-step explanation:

density is mass divided by volume:

density =  \frac{mass}{volume}

you can manipulate the formula by multiplying with volume:

density \times volume = mass

then dividing by density:

volume =  \frac{mass}{density}

in this case:

volume =  \frac{25g}{11.4 \frac{g}{cm}  }  = 2.193 { \: cm}^{3}

6 0
1 year ago
Francisco is making an effort to drink more water, and has set a goal of 222 liters per day. He wants to know the volume of the
OlgaM077 [116]

V = 1,005.7 rounded off to one decimal place

Because:

Volume of a cylinder = πr²h

V = 22/7 x 4 x 4 x 20

V = 1,005.7

3 0
3 years ago
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