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Marat540 [252]
3 years ago
5

Given vectors U = (7,4) and v = (1,-1), find the sum u + v and write the

Mathematics
2 answers:
levacccp [35]3 years ago
7 0

Answer:

u + v = < 8, 3 >

Step-by-step explanation:

u + v

= < 7, 4 > + < 1, - 1 > ← add corresponding components

= < 7 + 1, 4 - 1 >

= < 8, 3 >

Varvara68 [4.7K]3 years ago
3 0
⟨u + v⟩ = ⟨x₁ + x₂ , y₁ + y₂⟩
⟨u + v⟩ = ⟨7 + 1 , 4 + (-1)⟩
⟨u + v⟩ = ⟨8 , 3⟩
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dem82 [27]

Answer:

x = \frac{7}{5}

Step-by-step explanation:

To solve for x, we need to isolate it [get it alone on one side]

We should start by simplifying (combining the like-terms of our equation):

5 + 5 = 5x + 5 - 2

10 = 5x + 3

- 3         - 3        (subtract 3 from both sides to isolate x)

7 = 5x

÷5  ÷5   (divide both sides by 5 to find "1"x)

\frac{7}{5}=x  

So, x = \frac{7}{5}

(x = 7/5)

hope this helps!!

7 0
2 years ago
Read 2 more answers
Is the number 71 a prime or composite?pls I need help
docker41 [41]
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3 0
4 years ago
Taylor earned $48 for 6 hours of babysitting and $68 for 8.5 hours of babysitting. How long would she have to babysit to earn $3
ZanzabumX [31]
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6 0
3 years ago
Death Valley headquarters in California is 190 feet below sea level. Badwater, America's lowest point, is 92 feet lower than Dea
olga_2 [115]

Answer: Badwater is 282 feet below the sea level.

Step-by-step explanation:

Given: Death Valley headquarters in California is 190 feet below sea level. Badwater, America's lowest point, is 92 feet lower than Death Valley headquarters.

To find the depth of Badwater we need to add depth of Death Valley headquarters from sea level to the depth of Badwater from Death valley headquarters.

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3 0
4 years ago
Find the simple interest earned in a savings account that pays 5% interest if $500 is deposited for 4 years. A. $100, B. $1000,
g100num [7]
To calculate simple interest, you first need to multiply the original amount by the percentage of the money which is going to be added.

In this situation, 500 x 0.05 is the interest which will be added each year.
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Although the account will contain $600, it will have EARNED $100 of interest since it started with $500 already.

Answer - A $100 of simple interest will be earned.
3 0
4 years ago
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