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Fantom [35]
2 years ago
10

Please help with this problem!

Mathematics
1 answer:
Sergeeva-Olga [200]2 years ago
6 0

Answer:

hnukunykgbuykgkuyu

Step-by-step explanation:

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Given that p=9i+12j and q=-6i-8j. Evaluate |p-q|-{|p|-|q|}
krok68 [10]

Answer:

|p-q|-(|p|-|q|) = 20

Step-by-step explanation:

First let's find the value of 'p-q':

p - q = 9i + 12j - (-6i - 8j)\\p - q = 9i + 12j + 6i + 8j\\p - q = 15i + 20j\\

To find |p-q| (module of 'p-q'), we can use the formula:

|ai + bj| = \sqrt{a^{2}+b^{2}}

Where 'a' is the coefficient of 'i' and 'b' is the coefficient of 'j'

So we have:

|p - q| = |15i + 20j| = \sqrt{15^{2}+20^{2}} = 25

Now, we need to find the module of p and the module of q:|p| = |9i + 12j| = \sqrt{9^{2}+12^{2}} = 15

|q| = |-6i - 8j| = \sqrt{(-6)^{2}+(-8)^{2}} = 10

Then, evaluating |p-q|-{|p|-|q|}, we have:

|p-q|-(|p|-|q|) = 25 - (15 - 10) = 25 - 5 = 20

7 0
2 years ago
: David has saved $35 of the $140 he needs to purchase a new
olga55 [171]

David would have to save for 7 weeks in order to have enough money for his bike.

5 0
1 year ago
I really need help with this question could I please get help?
Novosadov [1.4K]
X is equal to 12 and y is equal to 8
5 0
3 years ago
Division or is it multiply
MArishka [77]

So 5,10,15,20,25,30,35,40,45 so Aylson needs 1 more bead. Because 45 beads are already used!

4 0
2 years ago
Read 2 more answers
Four individuals pool money together to start a new business and agree to split the profits equally. N invests $6,000, X invests
shepuryov [24]

Answer:

15,000$

Step-by-step explanation:

According to the information given, profits are divided equally into 4 parts

Since the total profit for the first month is 100,000$ each party will receive a sum of 25,000$. This means that Y also receives the same amount

Now if the profits were divided in proportion to the investments made we first find the proportion on investment made by Y.

The total investment made is 6000$ + 2000$ + 8000$ + 4000$ = 20,000$. Out of this, the amount invested by Y is 8000$

finding the proportional profit of Y

\frac{8000}{20000} (100000)

=40,000$

So Y receives 40,000 - 25,000 = 15,000 less

4 0
2 years ago
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