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3 years ago

4^n=16 Can someone please help me answer this question ?

Mathematics

1 answer:

Firdavs [7]3 years ago

4 0

$4^n=16\\\\4^n=4^2\Rightarrow n=2\\\\Answer:\ n=2\\\\\text{Check:}\\\\L=4^2=16\\R=16\\L=R\qquad CORRECT!!\ :)$

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Jordan spent 22% of his time doing math homework. If hw spent 11 minutes on his math homework. How many minutes did he spend on

Angelina_Jolie [31]

Jordan spends 50 minutes on his homework.

Step-by-step explanation:

Given,

Time spent on Maths homework = 11 minutes

This represents the 22% time of his total homework.

Let,

x be the total time spent on homework.

22% of x = 11

$\frac{22}{100}*x=11\\0.22x=11$

Dividing both sides by 0.22

$\frac{0.22x}{0.22}=\frac{11}{0.22}\\x=50$

Jordan spends 50 minutes on his homework.

Keywords: percentage, division

Learn more about percentages at:

#LearnwithBrainly

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2 years ago

Help please. What letter is the correct answer?

sveticcg [70]

Howdy!

The answer is A, Between 2 and 3. To find this out, multiply 6(/1) by 2/5, which is 2.4, 2.4 is between 2 and 3, so that's the answer.

Hope this helped!

8 0

3 years ago

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Can somebody help me show work on this??

CaHeK987 [17]

I would if i had paper:( its hard to explain

6 0

3 years ago

Evaluate the surface integral S F · dS for the given vector field F and the oriented surface S. In other words, find the flux of

Maru [420]

Parameterize $S{/tex] by[tex]\vec s(u,v)=u\,\vec\imath+v\,\vec\jmath+(8-u^2-v^2)\,\vec k$

with $0\le u\le1$ and $0\le v\le1$ .

Take the normal vector to $S$ to be

$\vec s_u\times\vec s_v=2u\,\vec\imath+2v\,\vec\jmath+\vec k$

Then the flux of $\vec F$ across $S$ is

$\displaystyle\iint_S\vec F\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_u\times\vec s_v)\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^1\int_0^1(uv\,\vec\imath+v(8-u^2-v^2)\,\vec\jmath+u(8-u^2-v^2)\,\vec k)\cdot(2u\,\vec\imath+2v\,\vec\jmath+\vec k)\,\mathrm du\,\mathrm dv$

$=\displaystyle\int_0^1\int_0^1\bigg(2u^2v+(u+2v^2)(8-u^2-v^2)\bigg)\,\mathrm du\,\mathrm dv=\boxed{\frac{1553}{180}}$

6 0

2 years ago

AB is a strait line<br> Work out the size of angle x

solmaris [256]

Answer:

109

Step-by-step explanation:

line AB is 180 degrees because a circle is 360 degrees and half a circle is 180 degrees.

Add 42 degrees and 29 degrees. 42+29 = 71

Then subtract. 180 - 71 = 109

So therefore $x=109$

Hope this helps:)

4 0

2 years ago

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