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Lerok [7]
3 years ago
13

PLZ HELP FREE POINTS AND BRAINLEIST how can the direction part of a vector be expressed as a number

Mathematics
2 answers:
levacccp [35]3 years ago
8 0

Answer:

with magnitude

Step-by-step explanation:

write as equation to find magnitude

REY [17]3 years ago
5 0

Answer:add an equation to the magnitude

Step-by-step explanation:

apply a given equation to find the magnitude

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Suppose that the scores, X, on a college entrance examination are normally distributed with a mean score of 560 and a standard d
12345 [234]

Answer:

  543

Step-by-step explanation:

The 33rd percentile corresponds to a score of 542.4. In order for a score to be within the top 67%, it must be above that value. The least integer above that value is 543.

7 0
3 years ago
Activity
Ierofanga [76]

Answer:

p=0.25

Step-by-step explanation:

Given that a club can select one member to attend a conference. All of the club officers want to attend. There are a total of four officers, and their designated positions within the club are President (P), Vice dash President (Upper V )comma Secretary (Upper S )comma nbspand Treasurer (Upper T ).

Sample space would be

a){ {P}, {V}, {S} {T}} is the sample space with notations standing for as given in the question

b) Each sample is equally likely. Hence we have equal chances for selecting any one out of the four.

If probability of selecting a particular sample of size I is p, the by total probability axiom we have

\begin{gathered}4p =1\\p =0.25\end{gathered}

4p=1

7 0
2 years ago
The circumference of a circle is 31.4 feet. What is the area?
Lapatulllka [165]
A ≈ 78.46 ft

To find the answer just look up the formula for finding area with circumference and plug in the circumference
4 0
3 years ago
Marie wants to purchase a car and finance her purchase with a 4 year loan at 7% interest. If she wants her payments to be $250 p
saveliy_v [14]

Answer:

F = $13,802.31

she can finance $13,802.31 with this loan.

Step-by-step explanation:

Given;

Rate r = 7% = 0.07

Time t = 4 years

Payment per month MP = $250

Number of months per year n = 12

This can be solved using compound interest for future value series formula;

F = future value

F = MP(((1 + r/n)^(nt) - 1)/(r/n))

Substituting the given values, we have;

F = $250(((1 + 0.07/12)^(12×4) - 1)/(0.07/12))

F = $13,802.31

4 0
3 years ago
Lshonda sells beaded necklaces. Each large necklace sells for 4.70 and each small necklace sells for 4.20. How much will she ear
AysviL [449]
Answer: Lshonda will earn $23.

Step-by-step:
The equation would be (4•4.7) + (1•4.2)
4 multiplied by 4.7 is 18.8
1•4.2 is 4.2
18.8+4.2=23

hope this helps! :)
7 0
3 years ago
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