help with#14 please!!!

Help With#14 Please!!!

Answers

Answer 1
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]Question : 14

let's solve for f :

[tex] \dfrac{1}{f} = \dfrac{1}{a} + \dfrac{1}{b} [/tex]

[tex] \dfrac{1}{f} = \dfrac{b + a}{ab} [/tex]

Taking reciprocal of both sides :

[tex]f = \dfrac{ab}{a + b} [/tex]

Related Questions

840/1152 simplified please ​

Answers

[tex] \bf \frac{840}{1152}^{(4} = \frac{210}{288}^{(6} = \frac{35}{48}[/tex]

Hello!

[tex]\frac{840}{1152}[/tex]

Divide by 2:

[tex]\frac{420}{576}[/tex]

Divide by 2 again because the fraction is not in its simplest form:

[tex]\frac{210}{288}[/tex]

Divide by 2 again:

[tex]\frac{105}{144}[/tex]

Divide by 3:

[tex]\frac{35}{48}[/tex]

And we are done! Hope this helps!

~Just a joyful teen

[tex]SilentNature\\(GraceRosalia)[/tex]

What property of addition is illustrated in the equation below.

Answers

distributive in mathematics, the distributive property of binary operations generalizes the distributive law. A expression of this would be: a(b+c)=ab+ac.

1/4 + 23/28 - 1

please help

Answers

Answer:

[tex]\frac{1}{14}[/tex]

Step-by-step explanation:

[tex]\frac{1}{4} + \frac{23}{28} - 1 = ?[/tex]

First off, let's change everything to a common denominator. This will allow us to add the fractions!

To find a common denominator, we find a number that both 4, 28, and 1 can go into. 28 is the best choice, as 4 goes into it 7 times, 28 goes into it once, and 1 goes into it 28 times.

Let's change the first fraction into a number with a denominator of 28!

[tex]\frac{1}{4} * \frac{7}{7} = \frac{7}{28}[/tex]

[tex]\frac{7}{7}[/tex] = 1. Multiplying a number by one doesn't change its value.

The second fraction, [tex]\frac{23}{28}[/tex], already has a denominator of 28, so we don't have to do anything with it.

Now to the third number, -1:

[tex]-1 = -\frac{1}{1} * \frac{28}{28} = -\frac{28}{28}[/tex]

Now, let's add them all up!

[tex]\frac{7}{28} + \frac{23}{28} - \frac{28}{28} = \frac{7 + 23 - 28}{28} = \frac{2}{28}[/tex]

One last step, to simplify:

[tex]\frac{2}{28} = \frac{1}{14}[/tex]

Your answer is 1/14!

A student would like to estimate the height of a statue. The length of the​ statue's right arm is 51 feet. The​ student's right arm is 2 feet long and her height is 5
1
3 feet. Use this information to estimate the height of the statue. How close is the approximate height to the​ statue's actual height of 135 ​feet, 3 inches from heel to top of​ head?


I got a.
13 feet

b. What is the difference between the appoximate height of the statue and its actual​ height?

Answers

Answer:

FEET

Step-by-step explanation:

A sequence is defined recursively by

a1=4

an=34an−1

What is the explicit form of this sequence?

Answers

9514 1404 393

Answer:

  an = 4×34^(n-1)

Step-by-step explanation:

If your recursive definition is ...

  [tex]\begin{cases}a_1=4\\a_{n}=34a_{n-1}\end{cases}[/tex]

this defines a geometric sequence with a first term a1 = 4 and a common ratio of r = 34. The general form of the explicit function is ...

  [tex]a_n=a_1\times r^{n-1}[/tex]

For the values shown here, the explicit definition of the sequence is ...

  [tex]\boxed{a_n=4\times 34^{n-1}}[/tex]

What i want to know is.. why is that possible?
And, why we could add the two inequalities together down side there ??

Answers

Answer: Explanation below.

Step-by-step explanation:  A good question, since working with inequalities  and using the same operations as with "=" equations is a bit uncomfortable.  I don't have a mathematical proof for this operation, but approach it with a "Why not?" attitude.  If 9>6 and 130 > 30, why wouldn't 139>36?  There is nothing in the add operation that should upset the basic inequality.  I suggest https://www.storyofmathematics.com/inequalities-math for more information.

How many dots are in the 5th step?

Answers

Answer:

add 5 + 4, which is 9 and that's 81 dots

What’s three-and-two-fifths times three-and-one-fourth?

Answers

Answer:

Answer is 221/20

Step-by-step explanation:

if we solve 3 2/5 × 3 1/4

then we will get 221/20.

10.com
Leg, width
and height

Answers

Answer:

volume = length × breadth × height

v = l × b × h

= 6 × 7 × 10

= 420 cm³

so the volume of the cubeoid is 420 cm³

Step-by-step explanation:

brainliest plz


Which of these statements is true?

Answers

Answer:

3rd one

because they r right angles and congruent to each other and for right angle its is used HS postulate

Which expression has a value located to the right of 1 on the number line?
A - 1-7
B. 1 - 7
C. -7 - 1
D. 7 + 1​

Answers

Answer:

The correct answer is D

Step-by-step explanation:

because a, b, and c all equal a negative which goes on the left side of 1 but d is the only one that equals a positive number which goes on the right side of

Correct me if I'm wrong

Please give thanks

Can you please help me with#7?I don't know how to find the answer.​

Answers

Part A

The equation is g = -2.5m + 20

The +20 represents us starting with 20 gallons. The -2.5m portion indicates losing 2.5 gallons per minute. So after m minutes, we'll have -2.5m+20 gallons left.

The smallest m can be is m = 0

Let's plug in g = 0 and solve for m to find the largest possible m value

g = -2.5m + 20

-2.5m + 20 = g

-2.5m + 20 = 0

-2.5m = -20

m = (-20)/(-2.5)

m = 8

At the 8 minute mark is when g = 0. So this is when the tub is completely empty. We cannot go beyond this point because g would become negative. So m = 8 is the largest m can get.

This means m is between 0 and 8, including both endpoints.

The domain is [tex]0 \le m \le 8[/tex]

The domain is continuous because the number of minutes is continuous. We cannot have a jump in time from something like m = 1 to m = 2 without values in between. In other words, to go from m = 1 to m = 2, we need to pass by something like m = 1.5

No matter what two values you pick in the interval mentioned, there is always going to be some midpoint and infinitely many other values to deal with.

-------------------------

Answers:

Domain: [tex]0 \le m \le 8[/tex]The domain is continuous

======================================================

Part C

See the graph below. The table is included as well.

To generate the table, we select values of m from the domain found earlier. I'm using whole numbers for m, but you can use any real number you want from that interval.

Let's say we picked m = 2

That would mean,

g = -2.5m + 20

g = -2.5*2 + 20

g = -5 + 20

g = 15

So at the 2 minute mark, the tub will have 15 gallons left. That means we'll have a row with m = 2 and g = 15 pair up together. The rest of the table is generated in a similar fashion.

Once the table is set up, you plot all of the points and draw a line through them to complete the graph.

Because we're dealing with a linear function, we only need 2 points at minimum to graph it. However, you can generate as many points as you want. It could be good practice.

Side note: Stuff to the left of m = 0 and stuff to the right of m = 8 is not graphed, as these portions are not in the domain.

solve for a if 2a²+2a+1=o​

Answers

Answer:

guath math

Step-by-step explanation:

There is an app called guath math and it shows you all the steps and everything to a math problem just by scanning it. Also it is fast than asking people on brainly;

Which linear inequality and its solution set is represented by the graph?

Answers

Answer: im pretty sure its y is more than or equal to 3x - 4

Step-by-step explanation:

pleaseeeeee help me with this.

Answers

Answer:

Step-by-step explanation:

2 is like terms

1 one is coeff

3 is const

4 is  expression

5 is trem

6 is variable

Help with questions 21-23 using pemdas

If u can, please help with some ones below those (using pemdas) :]

Tyyy

Answers

Answer:

21. 123    22. 6.86 or 6/ 6/7  23. 90

Step-by-step explanation:

21. (6+4)² + (22+10÷2)

     (10)² + (22 + 5)

        100 + 27

           127

22. (11+42-5) ÷ (11-4)

         48 ÷ 7

        6.85 or 6 6/7

23. (17-3) × (14 - 6) -22

         14 × 8 - 22

         112 - 22

           90

What is the second term in the binomial expansion of (2x−3y)12 ?

Recall the binomial theorem:

Group of answer choices

73728x11y1


−73728x11y


−608256x10y2


608256x10y2

Answers

The option that gives the correct value of the second term is;

Option B; -73728x¹¹y

We are given the expression;

(2x - 3y)¹²

Now we want to find the second term using binomial expansion.

In binomial theorem, we have the following expressions;

(x + y)² = x² + 2xy + y²

(x - y)³ = x³ - 3x²y + 3xy² + y³

(x - y)⁴ = x⁴ - 4x³y + 6x²y² - 4xy³ + y⁴

(x - y)¹² = x¹² - x¹¹y + x¹⁰y² - x⁹y³ + ....

Now applying this same system above to our question gives us;

(2x - 3y)¹² = 4096x¹² - 73728x¹¹y + 608256x¹⁰y² - 3041280x⁹y³ + ........

Thus, our second term here is; -73728x¹¹y

In conclusion, the correct option that gives the second term is Option B.

Read more at; https://brainly.com/question/24102756

Given matrices A and B shown below, find (3)A+(8)B.

Answers

Answer:

[tex]\left[\begin{array}{ccc}32&-55\\3&39\end{array}\right][/tex]

Step-by-step explanation:

[tex]\left[\begin{array}{ccc}0&-15\\3&15\end{array}\right] +\left[\begin{array}{ccc}32&-40\\0&24\end{array}\right] =\left[\begin{array}{ccc}0+32&-15+(-40)\\3+0&15+24\end{array}\right] = \left[\begin{array}{ccc}32&-55\\3&39\end{array}\right][/tex]

help please

Make up two equations, one that is true and one that is false. State which equation is true and which is false.

Answers

Answer:

57+20= 90 (false)

40+39= 79 (true)

Answer:

14 * 9(-9) - 8 = 1142               9 - 45(-3) + 7 = 151

Step-by-step explanation:

14 * 9(-9) - 8 = 1142               9 - 45(-3) + 7 = 151

(This one is true)                  (This one is false)

Complete the table of values for y=x2-x-5.​

Answers

Answer:

when -2 , y = 1

when 0, y = -5

when 2, y = -3

when 3, y = 1

when 4, y = 7

Please help!!! Me 20 points

Answers

Answer:

shade 20 squares

Step-by-step explanation:

What your going to think about is there is going to be 4 5's  so 4 x 5 is 20

Answer:

I saw the other persons work and I also believe the answer is 20.

Step-by-step explanation:

By multiplying the dividend from the graph.  


please help me with my homework

Answers

Answer:

steps below

Step-by-step explanation:

5-1)  Center of dilation: intersect of AA' and BB' (or CC' ...) (M in the graph)

5-2) scale factor = A'B' / AB = 6/4 = 1.5

5-3) ratio of all corresponding sides are equal = 1.5 and parallel, it also means all corresponding angles are similar.

Beth simplified the expression 8 + 10 + 8 + 2 minus (4 times 1.4) minus (4 times 1.4) to find the perimeter of the figure on the grid.

On a coordinate plane, a figure has side lengths of 8, 10, 8, 2, (4 times 1.4), (4 times 1.4).

What error did Beth make?
She found the area of the figure instead of the perimeter.
She subtracted the lengths of the diagonal lines instead of adding them.
She used 4 times 1.4 to represent the length of each diagonal line instead of 4.
She added the horizontal and vertical lengths instead of multiplying them.

Answers

Answer:

Step-by-step explanation:

the answer is 16.8

Explanation: well for starters you have to do what's in the parenthesis, so 4 times 1.4 is equal to 5.6. so now we add up the equation and get 28, so now we are left with 28-5.6-5.6 which equals 16.8

hoped this helped;)

Answer:

She subtracted the lengths of the diagonal lines instead of adding them.

Step-by-step explanation:

helppppppppppp please

Answers

The answer would be 6

Answer:

6

.......

.

...........

plz help me to solve stepwise

Answers

Answer:

14 cm by 34m

Step-by-step explanation:

Can someone please help as I'm not sure how to tackle this step by step? Especially question b, d, g, j, k, l. Not how sure to do it if contains a surd just on its own.

Answers

Step-by-step explanation:

√a = 1√a so we can solve them easily:

b) 3√7 -√7= 3√7 - 1√7 =( 3-1)√7= 2√7

d) 5√6 - 2√6+√6= (5-2+1)√6 = 4√6

g) √2+2√2= 3√2

j) √5+5√5 - 3√5 = 3√5

k) 2√3 + √3 - 5√3= -2√3

I) 5√11 + 7√11 - √11 = 11√11

How do you determine the number of electrons? (need the answer asap)

Question 1 options:

It is equal to the atomic mass


It is equal to the protons + the atomic number


It is the atomic mass + the atomic number


It is equal to the protons in a neutral atom

Answers

Answer:

It is equal to the protons in a neutral atom

more over

#proton =#electrons=atomic number

Answer:

It is equal to the protons in a neutral atom

Can someone help me please ?

Answers

Answer:

I don't know the answer sorry luv but ur pfp is cute

-xoxo

PLEASE HELP ITS MATH THANK YOUUUU

Answers

Answer: 10 meters

Explanation:

29 cm : blank meters

So how do we get from 348 cm to 29 cm?

To figure this out we divide.

348 divided by 28 = 12

we divided by 12 so we do the same with 120

120 divided by 12 = 10

So that’s the answer.

I hope this makes sense and helps you :)

please help need this done by tomorrow thank you [PHOTO]​​

Answers

Answer:

31

Step-by-step explanation:

sum of the bordering angles is 180° so

(5x-16) + (x+10) = 180

5x - 16 + x + 10 = 180

6x - 6 = 180

6x = 186

x = 186 ÷ 6

x = 31

Answer:

The answer is x=31.

5x-16+x+10=180

6x-6=180

6x=186

x=31

Then, 5(31)-16=

155-16= 139

Also, x+10=

31+10=41

Solution check:

139+41=180, so x=31 is correct.

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