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qaws [65]
3 years ago
11

Adrianna can read 7 pages in 10 minutes. At this rate,how many pages can she read in 25 minutes

Mathematics
2 answers:
Westkost [7]3 years ago
5 0

Use a proportion. 7/10 = x/25. Multiply 10 by 2.5 to get 25. Similarly, multiply 7 by 2.5 to get 17.5. 17 1/2 pages.

Mice21 [21]3 years ago
5 0

Answer: She can read 17 and a half page in 25 minutes.

Step-by-step explanation:

We assume that the number of pages is directly proportional to the number of minutes taken to read them.

Given : Adrianna can read 7 pages in 10 minutes.

Rate of reading=\dfrac{\text{Number of pages}}{\text{Time}}=\dfrac{7}{10}  (1)

Let x denotes the number of pages she read in 25 minutes.

Rate of reading =\dfrac{x}{25}   (2)

From (1) and (2) , we have

\dfrac{x}{25}=\dfrac{7}{10}   [in direct variation ration  remains constant.]

x=\dfrac{7\times25}{10}=\dfrac{175}{10}=17\dfrac{1}{2}

Hence, She can read 17 and a half page in 25 minutes.

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because ratio of them at the begining = 3/4
after selling some popcorns, ratio of them still 3/4
they sold 8 popcorns mean 3/4 = ?rachos / 8popcorns sold
the rachos sold = 3*8/4 = 6
4 0
3 years ago
The line AB had midpoint (2, 5).<br><br>A has coordinates (1, 2).<br><br>Find the coordinates of B.
sveta [45]

Answer:

The line AB, with A(Ax, Ay), B(Bx, By) and midpoint M(Mx, My) satisfying:

Ax + Bx = 2Mx

Ay + By = 2My

=>

2 + Bx = 2*1

5 + By = 2*2

=> Bx = 0

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Hope this helps!

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5 0
3 years ago
Read 2 more answers
Help on the 10th question please!!
Svetlanka [38]

Answer

2336.5719? more

Step-by-step explanation:

17407*0.09= 1566.63

17407+1566.63=17973.63

17973.63*0.13= 2336.5719

2336.5719+17973.63=20310.2019

20310.2019-17973.63=2336.5719

3 0
2 years ago
The diagonals of a rhombus are 14 and 48cm. Find the length of a side of the rhombus.​
valentinak56 [21]

Check the picture below.

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7 0
3 years ago
Parvana record's the transactions for her bank account for the week . On Monday, she made a deposit of $45. On Tuesday she used
Andrews [41]

Answer:

The correct answer is +45; -18; -7.

Step-by-step explanation:

Parvana records the transactions for her bank account for the week .

On Monday, Parvana deposited $45. Thus Parvana made an addition of $45 in her account. Therefore a +45 integer is used to represent this transaction into her account.

On Tuesday she used her debit card to $18 for a new shirt. Thus Parvana made a deduction of $18 from her account. Therefore a -18 integer is used to represent this transaction into her account.

On Thursday she withdrew $7 from an ATM. Thus Parvana made a deduction of $7 from her account. Therefore a -7 integer is used to represent this transaction into her account.

Thus the integers +45; -18 and -7 are used to represent transactions in Parwana's account.

6 0
3 years ago
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