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OverLord2011 [107]
3 years ago
12

The reciprocal of 2 1/7 is what ?

Mathematics
2 answers:
aivan3 [116]3 years ago
6 0

Answer:

7/15.

Step-by-step explanation:

2 1/7 = 15/7

Reciprocal of 15/7 = 1  / 15/7

= 7/15.

Phantasy [73]3 years ago
5 0

Answer:

7/15

Step-by-step explanation:

2 1/7 is mixed fraction, if you turn it into a improper fraction, you will get 15/7. Just flip those two numbers, and you get the answer

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The quotient of 49 and d increased by the product of k and f?
stich3 [128]
"d increased by the product of k and f" is d+kf

49/(d+kf)

The final answer is 49/(d+kf)~
6 0
3 years ago
The formula for the surface area of a cylinder with radius r and height h is at times twice the product of the
MrMuchimi

Answer:

<em>2\pi \: rh + 2\pi {r}^{2}  = 2(t \times  {r}^{2} )</em>

Step-by-step explanation:

The TSA of the cylinder

2\pi \: rh + 2\pi {r}^{2}

In Mathematics, 'is' is =

Twice means 2( )

Product means ×

So we have

2\pi \: rh + 2\pi {r}^{2}  = 2(t \times  {r}^{2} )

as the answer.

6 0
3 years ago
The function​ s(t) represents the position of an object at time t moving along a line. Suppose s(2)=150 and s(5)=237. Find the a
trapecia [35]

Answer:

29 is answer.

Step-by-step explanation:

Given that the function​ s(t) represents the position of an object at time t moving along a line. Suppose s(2)=150 and s(5)=237.

To find average velocity of the object over the interval of time [1,3]

We know that derivative of s is velocity and antiderivative of velocity is position vector .

Since moving along a line equation of s is

use two point formula

\frac{s-150}{237-150} =\frac{t-2}{5-2} \\s=29t-58+150\\s=29t+92 gives the position at time t.

Average velocity in interval (1,3)

=\frac{1}{3-1} (s(3)-s(1))\\=\frac{1}{2} [87+58-29-58]\\=29

5 0
3 years ago
A total of 646 tickets were sold. They were either adult ticket or student tickets. There were 54 fewer student tickets sold tha
Firdavs [7]

Answer:

350

Step-by-step explanation:

Let the number of adult tickets be x, then the number of student tickets sold would be (x–54).

We now have

x+(x–54)=646

2x=700

x=350

Therefore, 350 adult tickets were sold.

6 0
2 years ago
Y² - 11y + 21.25 = 0
Elodia [21]

Answer:

y=17/2 y=5/2

Step-by-step explanation:

...................

7 0
3 years ago
Read 2 more answers
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