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LenaWriter [7]
3 years ago
6

PLEASE HELP ME ID REALLY APPRECIATE IT:)

Mathematics
2 answers:
wlad13 [49]3 years ago
8 0
Each term is formed from the last by adding 3/8

The second option is correct
dmitriy555 [2]3 years ago
4 0

Answer:

Option B is correct

Step-by-step explanation:

Given is a sequence of numbers

3/8, 3/4, 1 1/8, 1 1/2, 1 7/8

To find the pattern we can find difference or quotient first

Differences are:

3/8, 3/8, 3/8...

Thus we find that there is a common difference of 3/8

i.e. each term is got by adding 3/8 to the preceding term.

Hence this is an arithmetic sequence with I term 3/8 and common difference also 3/8

Correct answer is option B

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If f(x) = 3 – x2, find f(-2).
Rufina [12.5K]

Answer:

f(- 2) = - 1

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = 3 - (- 2)² = 3 - 4 = - 1

4 0
3 years ago
The endpoints of the segment AB are A(-2,4) and B(4,0). Find the endpoints of the image after the segment is reflected over the
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Answer:

A' ( 2, 4) and B' ( -4, 0)

Step-by-step explanation:

A ( -2, 4) and B( 4,0)  reflected over the y-axis

A' ( 2, 4) and B' ( -4, 0)

the y-coordinate do not change and the x is opposite sign

(x,y) reflected over y-axis (-x, y)

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3 years ago
What is the domain of y =<br> cos-1^x?
kirza4 [7]

Answer:

A

Step-by-step explanation:

correct on edge

3 0
3 years ago
Read 2 more answers
evaluate the line integral ∫cf⋅dr, where f(x,y,z)=5xi−yj+zk and c is given by the vector function r(t)=⟨sint,cost,t⟩, 0≤t≤3π/2.
meriva

We have

\displaystyle \int_C \vec f \cdot d\vec r = \int_0^{\frac{3\pi}2} \vec f(\vec r(t)) \cdot \dfrac{d\vec r}{dt} \, dt

and

\vec f(\vec r(t)) = 5\sin(t) \, \vec\imath - \cos(t) \, \vec\jmath + t \, \vec k

\vec r(t) = \sin(t)\,\vec\imath + \cos(t)\,\vec\jmath + t\,\vec k \implies \dfrac{d\vec r}{dt} = \cos(t) \, \vec\imath - \sin(t) \, \vec\jmath + \vec k

so the line integral is equilvalent to

\displaystyle \int_C \vec f \cdot d\vec r = \int_0^{\frac{3\pi}2} (5\sin(t) \cos(t) + \sin(t)\cos(t) + t) \, dt

\displaystyle \int_C \vec f \cdot d\vec r = \int_0^{\frac{3\pi}2} (6\sin(t) \cos(t) + t) \, dt

\displaystyle \int_C \vec f \cdot d\vec r = \int_0^{\frac{3\pi}2} (3\sin(2t) + t) \, dt

\displaystyle \int_C \vec f \cdot d\vec r = \left(-\frac32 \cos(2t) + \frac12 t^2\right) \bigg_0^{\frac{3\pi}2}

\displaystyle \int_C \vec f \cdot d\vec r = \left(\frac32 + \frac{9\pi^2}8\right) - \left(-\frac32\right) = \boxed{3 + \frac{9\pi^2}8}

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2 years ago
One quarter of a bread recipe calls for 2/3 cup of bread flour how many cups are needed per recipe
nikklg [1K]

Answer:

2 and 2/3

Step-by-step explanation:

2/3 multiplied by 4

6 0
3 years ago
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