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2 years ago

Whats the inverse if 2 5/8

Mathematics

1 answer:

enot [183]2 years ago

8 0

Answer:

$\frac{8}{21}$

Step-by-step explanation:

Given:

$2\frac{5}{8}=\frac{8*2+5}{8}$

Mutliply :

$2\frac{5}{8} =\frac{16+5}{8}$

Add:

$2\frac{5}{8} =\frac{21}{8}$

Multiplicative inverse:

$2\frac{5}{8} =\frac{8}{21}$

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Evaluate 2b^2-4a+4a^2 for a= 3 and b= -8

masha68 [24]

Given a = 3 and b = - 8 ,

= > 2b² - 4a + 4a²

= > 2( - 8 )² - 4( 3 ) + 4( 3 )²

= > 2( 64 ) - 4( 3 ) + 4( 9 )

= > 128 - 12 + 36

= > 116 + 36

= > 152

$\:$

5 0

3 years ago

Read 2 more answers

The first four terms of a sequence are shown below: 9, 5, 1, â’3 Which of the following functions best defines this sequence? f(

matrenka [14]

The function that best defines this arithmetic sequence is:

$f(n) = f(n - 1) - 4, f(1) = 9$

<h3>What is an arithmetic sequence?</h3>

In an <em>arithmetic sequence,</em> the <u>difference between consecutive terms is always the same</u>, called common difference d.

The recursive function that defines the sequence is:

$f(n) = f(n - 1) + d$

$f(1) = f_0$

In which $f_0$ is the first term.

In this problem, the sequence is: {9, 5, 1, -3}

Each term is the previous term subtracted by 4, hence $d = -4$ .

The first term is 9, hence $f_0 = 9$ .

Hence, the function is:

$f(n) = f(n - 1) - 4, f(1) = 9$

You can learn more about arithmetic sequences at brainly.com/question/6561461

5 0

2 years ago

Read 2 more answers

Can i get help with 4,6, and 8 PLEASE HELP!!!!!!!!!! IM GONNA RUN OUTTA TIME!!!!

gogolik [260]

They are all even numbers

8 0

2 years ago

Round yo the nearest hundred plz it’s not much!!!!!!!!!

natita [175]

A is the answer of not I’m sorry for that

7 0

3 years ago

Which equation represents a circle with the same radius as

sattari [20]

Answer :

$(x+1)^2+(y-1)^2=4^2$ and $(x+1)^2+(y-1)^2=16$

Step-by-step explanation:

Given : A circle with the same radius as the circle shown but with a center at (-1.1).

To find : Which equation represents a circle ?

Solution :

The equation of a circle with center (h,k) and radius r is given by :

$(x-h)^2+(y-k)^2=r^2$

Here, we are given (h,k)=(-1,1)

and radius r=4 units

So, equation of circle will be :

$(x-(-1))^2+(y-1)^2=4^2$

$(x+1)^2+(y-1)^2=4^2$

or $(x+1)^2+(y-1)^2=16$

Therefore, the required equations of circle are

$(x+1)^2+(y-1)^2=4^2$ and $(x+1)^2+(y-1)^2=16$

7 0

3 years ago