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Bingel [31]
3 years ago
12

Anita read 150 pages in 5 hours. What is her reading rate in pages per minute?

Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0

Answer:

Answer = 0.5 pages per minute.

Step-by-step explanation:

150 ÷ 5 = 30 pages an hour

30 ÷ 60 ( Minutes in an hour ) = 0.5 Pages/ Minute.

Hope this helps.

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Find the intersection points using substitution or elimination for each system of equations:
natka813 [3]

Answer:

Step-by-step explanation:

Okay, so I think I know what the equations are, but I might have misinterpreted them because of the syntax- I think when you ask a question you can use the symbols tool to input it in a more clear way, otherwise you can use parentheses and such.

Problem 1:

(x²)/4 +y²= 1

y= x+1

*substitute for y*

Now we have a one-variable equation we can solve-

x²/4 + (x+1)² = 1

x²/4 + (x+1)(x+1)= 1

x²/4 + x²+2x+1= 1

*subtract 1 from both sides to set equal to 0*

x²/4 +x^2+2x=0

x²/4 can also be 1/4 * x²

1/4 * x² +1*x² +2x = 0

*combine like terms*

5/4 * x^2+2x+ 0 =0

now, you can use the quadratic equation to solve for x

a= 5/4

b= 2

c=0

the syntax on this will be rough, but I'll do my best...

x= (-b ± √(b²-4ac))/(2a)

x= (-2 ±√(2²-4*(5/4)*(0))/(2*(5/4))

x= (-2 ±√(4-0))/(2.5)

x= (-2±2)/2.5

x will have 2 answers because of ±

x= 0 or x= 1.6

now plug that back into one of the equations and solve.

y= 0+1 = 1

y= 1.6+1= 2.6

Hopefully this explanation was enough to help you solve problem 2.

Problem 2:

x² + y² -16y +39= 0

y²- x² -9= 0

6 0
3 years ago
What is 168 cm in feet
NeTakaya

5.51181 in feet. Hope this helps

3 0
3 years ago
Read 2 more answers
If p is a point with polar coordinates ​(r,thetaθ​), the rectangular coordinates​ (x,y) of p are given by xequals=​_______ and y
Anuta_ua [19.1K]

Answer:

x = r cos theta and y = r sin theta

Step-by-step explanation:

cos theta = x / r  so:-

x = r cos theta

and sin theta = y / r, so

y =  r sin theta

5 0
3 years ago
Use this number line when answering questions.
Dmitrij [34]

Answer:

If the darker, longer lines are going in units of one, then A is equal to -2.

Step-by-step explanation:

7 0
3 years ago
Stanley ran a 5 kilometer race in 30 minutes. what was his speed in kilometers per hour? round to the nearest tenth
lesantik [10]
If he runs 5 kilometers in 30 minutes, at that rate he would run 10 kilometers in an hour.
so 10 kilometers per hour is his speed
8 0
3 years ago
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