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Marizza181 [45]
3 years ago
9

Let u= < 4, -7>, v= <5, 3> find the component form for the vector -4u + 2v

Mathematics
1 answer:
Nata [24]3 years ago
5 0

Answer:

-4u+2v = <-6, 34>

Step-by-step explanation:

u = <4, -7) → -4u = <-16, 28>

v = <5, 3> → 2v = <10, 6>

-4u+2v =  <-16, 28> + <10, 6> = <-6, 34>

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What kind of sequence is the pattern 1, 6, 7, 13, 20, ...?
AlexFokin [52]

Answer:

The given sequence 6, 7, 13, 20, ... is a recursive sequence

Step-by-step explanation:

As the given sequence is

6, 7, 13, 20, ...

  • It cannot be an arithmetic sequence as the common difference between two consecutive terms in not constant.

As

d = 7-6=1,  d = 13-7=6

As d is not same. Hence, it cannot be an arithmetic sequence.

  • It also cannot be a geometrical sequence and exponential sequence.

It cannot be geometric sequence as the common ratio between two consecutive terms in not constant.

As

r = 7-6=1,  r = 13-7=6

r = \frac{7}{6},  r = \frac{13}{7}

As r is not same, Hence, it cannot be a geometric sequence or exponential sequence. As exponential sequence and geometric sequence are basically the same thing.

So, if we carefully observe, we can determine that:

  • The given sequence 6, 7, 13, 20, ... is a recursive sequence.

Please have a close look that each term is being created by adding the preceding two terms.

For example, the sequence is generated by starting from 1.

     {\displaystyle F_{1}=1

and

     {\displaystyle F_{n}=F_{n-1}+F_{n-2}}

for n > 1.

<em>Keywords: sequence, arithmetic sequence, geometric sequence, exponential sequence</em>

<em>Learn more about sequence from brainly.com/question/10986621</em>

<em>#learnwithBrainly</em>

6 0
3 years ago
I need to know the answer to this question
MAXImum [283]

The answer is B. Fabiana has completed the same amount of the course as Samantha because 6/15=8/20. Both fractions reduce to 2/5. Therefore, they are equivalent.

4 0
3 years ago
Solve: 2(7 – x) = 3(x + 3)
GarryVolchara [31]
If you would like to solve 2 * (7 - x) = 3 * (x + 3), you can do this using the following steps:

2 * (7 - x) = 3 * (x + 3<span>)
</span>2 * 7 - 2 * x = 3 * x + 3 * 3
14 - 2 * x = 3 * x + 9
14 - 9 = 3 * x + 2 * x
5 = 5 * x
x = 1

The correct result would be x = 1.
5 0
3 years ago
Read 2 more answers
How much simple interest is earned on $6,000 at an interest rate of 4.52% in 4 1/2 years?
Mama L [17]

Answer:

1220.4

Step-by-step explanation:

S.I.=P×R×T÷100

=6000×4.52×4  1/2÷100

=6000×4.52×9÷2×100

=60×4.52×9÷2

=30×4.52×9

=1220.4

4 0
2 years ago
How do I do this? Help!
Hitman42 [59]
Notice the picture below

you have two triangles, and you have the opposite and adjacent sides

thus, recall your SOH CAH TOA   \bf sin(\theta)=\cfrac{opposite}{hypotenuse}&#10;\qquad \qquad &#10;% cosine&#10;cos(\theta)=\cfrac{adjacent}{hypotenuse}&#10;&#10;\\ \quad \\\\&#10;% tangent&#10;tan(\theta)=\cfrac{opposite}{adjacent}

anyhow.. the one that has only
the angle
the opposite
and the adjacent

is Ms Tangent, so lets ask her some

\bf tan(29^o)=\cfrac{x}{y}\implies y\cdot tan(29^o)=x&#10;\\\\\\&#10;tan(25^o)=\cfrac{x}{100-y}\implies (100-y)tan(25^o)=x\\\\&#10;-----------------------------\\\\&#10;x=x\qquad thus\qquad  y\cdot tan(29^o)=(100-y)tan(25^o)

solve for "y"

4 0
3 years ago
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