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Verizon [17]
3 years ago
15

50 POINTS/ WILL MARK BRAINLIEST

Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

i think the answer is She replaced both the divisor and the dividend with their reciprocals when changing division to multiplication in step 2.

plz mark me as brainliest if i was right

Mashcka [7]3 years ago
8 0

Answer:

YAY THANK YOU

Step-by-step explanation:

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If Adrianna can read 7 pages in 10 minutes. At this rate, how many page can she read in 25 minutes?
lesya692 [45]

3.5 : 5

7 : 10

14 : 20

17.5 : 25

At that rate, she can read 17.5 pages in 25 minuets.

Divide both 7 and 10 by 2, which gets 3.5 and 5

5 * 5 = 25

5 * 3.5 = 17.5

Therefore, in 25 minuets, she can read 17.5 pages.  

4 0
3 years ago
Read 2 more answers
An item is priced at $14.97. If the sales tax is 5%, what does the item cost including sales tax? A. $30.69 B. $0.75 C. $22.46 D
kolezko [41]
The correct answer is D, $15.72
3 0
3 years ago
Solve this system using elimination (20 POINTS)<br> 4x-7y=3<br> x-7y=-15
stiv31 [10]

Answer:

x = 6, y =3

Step-by-step explanation:

4x-7y=3

x-7y=-15

Multiply the first equation by -1

-4x+7y=-3

Then add this to the second equation to eliminate y

-4x+7y=-3

x-7y=-15

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

-3x +0y = -18

-3x = -18

Divide by -3

-3x/-3 = -18/-3

x = 6

Now find y

x -7y = -15

6 -7y = -15

Subtract 6 from each side

6-7y-6 = -15-6

-7y = -21

Divide by -7

-7y/-7 = -21/-7

y =3

4 0
2 years ago
What are the equations of the asymptotes of the graph of the function f(x)=3x^2-2x-1/x^2+3x-10
kotykmax [81]
Ik one for sure is a horizontal asmym which is   3 
7 0
3 years ago
Given the functions f(n) = 11 and g(n) = -2(n - 1), combine them to create an arithmetic sequence, an, and solve for the 31st te
FromTheMoon [43]

Answer:

Option A is correct

a_n = 11-2(n-1) and  a_{31} = -49

Step-by-step explanation:

Given the functions:

f(n) = 11

g(n) = -2(n-1)

then;

combine them to create an arithmetic sequence i.e,

a_n = f(n)+g(n)

⇒a_n = 11-2(n-1) where n is the number of terms

To find the 31st term.

Substitute n =31 we have;

a_n = 11-2(31-1)

⇒a_{31}=11-60 = -49

Therefore, we have an arithmetic sequence,

a_n = 11-2(n-1) and  a_{31} = -49

3 0
3 years ago
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