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Lilit [14]
3 years ago
9

How do you solve this ? 4v^2-3=-v

Mathematics
1 answer:
Otrada [13]3 years ago
6 0
4v^2 +v -3 = 0         (4v-3)(v+1)=0       4v=3 so v = 3/4     OR     v=-1
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Composite numbers have
Vanyuwa [196]

Answer:

Composite numbers have more than 2 factors

3 0
3 years ago
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4|m-n| if m= -7 and n=2
MatroZZZ [7]
4|-7-2| = 4|-9| = 4x9 = 36
7 0
3 years ago
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What is the combined length of all the buttons longer than 1 inch
muminat

Answer:

2\frac{1}{2}  inches

Step-by-step explanation:

The "x" represents the number of buttons.

There are 2 sizes longer than 1 inch:

1\frac{1}{8} in  and  1\frac{1}{4} in

There are NO 1  1/8 inch buttons

THere are two 1  1/4 inch buttons

Hence the combined length would be:

1\frac{1}{4}+1\frac{1}{4}=2\frac{2}{4}=2\frac{1}{2} inches

5 0
3 years ago
Read 2 more answers
PLEASE HELP ME ANSWER THIS!!!
exis [7]

Answer:

For a function f(x), a vertical stretch of scale factor K is written as:

g(x) = k*f(x)

And for a function f(x), a vertical translation of N units is written as:

g(x) = f(x) + N

If N is positive, the translation is up

if N is negative, the translation is down.

1) We have the function:

y = f(x) = 5^(x - 2)

A vertical stretch of factor 3 will be:

y = g(x) = 3*f(x) = 3*(5)^(x - 2)

2) We have the function:

y = f(x) = 7.2^x

A translation up of 8 units will be written as:

y = g(x) = f(x) +  8 =  7.2^x + 8

4 0
3 years ago
Integration using part formula<br> <img src="https://tex.z-dn.net/?f=%5Cint%5Climits%20%7Bx%5Enlogx%7D%20%5C%2C%20dx" id="TexFor
liq [111]

Answer:

Integration of I= \int {x^{n}logx \, dx=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

Step-by-step explanation:

Given integral is I= \int {x^{n}logx \, dx

Take logx=t

x=e^{t}

x^{n}=e^{nt}

\frac{1}{x} dx=dt

dx=xdt

dx=e^{t}dt

I= \int (e^{nt})(t)(e^{t})\, dt

I= \int (e^{(n+1)t})(t)\, dt

Using integration by part,

I= (t)\int [e^{(n+1)t}]\, dt-\int[\frac{d}{dt}{t}\times\int (e^{(n+1)t})]\\\\I= (t) [\frac{1}{n+1}e^{(n+1)t}]-\int[1\times\frac{1}{n+1}e^{(n+1)t}]\,dt\\\\I=[\frac{t}{n+1}e^{(n+1)t}]-[\frac{1}{(n+1)^{2}}e^{(n+1)t}]

Writing in terms of x

I=[\frac{t}{n+1}e^{(n+1)t}]-[\frac{1}{(n+1)^{2}}e^{(n+1)t}]

I=[\frac{logx}{n+1}e^{(n+1)logx}]-[\frac{1}{(n+1)^{2}}e^{(n+1)logx}]

I=[\frac{logx}{n+1}e^{logx^{(n+1)}}]-[\frac{1}{(n+1)^{2}}e^{logx^{(n+1)}}]

I=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

Thus,

Integration of I= \int {x^{n}logx \, dx=[\frac{logx}{n+1} x^{(n+1)}]-[\frac{1}{(n+1)^{2}}x^{(n+1)}]

3 0
3 years ago
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