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monitta
2 years ago
13

Given vectors u = -9i + 8j and v= 7i + 5j find 2u -6v in terms of unit vectors i and j

Mathematics
2 answers:
Nesterboy [21]2 years ago
8 0

Answer:

A on edge

Step-by-step explanation:

Aloiza [94]2 years ago
7 0

Answer: - 60i - 14j

Step-by-step explanation:

- 18i + 16j  - 42i - 30j = - 60i - 14j

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Sheri's freezer is 2 feet wide, 6 feet long, and 2 feet deep. What's the volume of her freezer? 
vivado [14]
The answer is B. 24 cubic feet
6 0
2 years ago
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Solve for x. -2(16 - 4x) - 8 = 6(x + 2)
Amanda [17]
So...

-2(16-4x)-8=6(x+2)             Multiply
-32+8x-8=6x+12                 Add like terms
-40+8x=6x+12                    Subtract 6x from both sides
-40+2x=12                          Add 40 to both sides
2x=52                                 Divide 2 from both sides
x=26                                   Substitute to check
-2(16-4(26))-8=6((26)+2)   Add and multiply in parenthesis
-2(-88)-8=6(28)                  Multiply
176-8=168                         Subtract
168=168                          

So x=26

I hope this helps! Have a great day!
6 0
3 years ago
You brought 9 feet of elastic to make hair ties each hair ties need 3 3/8 inches of elastic how many hair ties can you make
PIT_PIT [208]

Answer:

32\ hair\ ties

Step-by-step explanation:

we know that

To make one hair ties is needed 3 3/8 inches of elastic

so

using proportion

Find out how many hair ties can you make with 9 feet of elastic

Remember that

1\ ft=12\ in

Convert 9 ft to inches

9\ ft=9*12=108\ in

Convert mixed number to an improper fraction

3\frac{3}{8}\ in=\frac{3*8+3}{8}=\frac{27}{8}\ in

using proportion

\frac{1}{(27/8)}=\frac{x}{108}\\\\x=108*8/27\\\\x=32\ hair\ ties

3 0
3 years ago
What is 1'000+686+754​
marysya [2.9K]

Answer:

2440

Step-by-step explanation:

1,000+686 =

1,686

1686+ 754

= 2440

4 0
2 years ago
Read 2 more answers
Ian factored 12x3y3 – 24x2y3 into 6xy(2x2y2 – 4xy2).
jonny [76]
A. 6xy(2x^2y^2-4xy^2) If you need to multiply 6xy and 2x^2y^2 & 6xy and 4xy^2. You will get 12x^3y^3-24x^2y^3. b. Factorization is not complete because 6xy is not the greatest common factor. c. Complete factor: 12x^2y^3(x-2y).
6 0
3 years ago
Read 2 more answers
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