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JulijaS [17]
4 years ago
11

It takes Betsy 15 mins to make lunch. How many seconds does it take her to make lunch?

Mathematics
2 answers:
AlekseyPX4 years ago
8 0
The answer is B: 900
dezoksy [38]4 years ago
5 0
Ok so to find how many seconds it took for someone to make lunch, you need to know how many seconds are in a minute which is 60. Now knowing this information, you have to multiply 60 (which is equal to 1 minute) by 15 to get that it takes Betsy 900 minutes to make lunch and in this case, B is the correct answer. Hope I helped, if you have any questions, feel free to ask!
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How many roots will the function f(x)= -3x³ - x² + 7x + 6 have?
Leona [35]

Answer:

It will have 3 roots

The number of roots in an equation equals the highest power of that equation.

Step-by-step explanation:

3 0
3 years ago
What is the next number 52 32
frutty [35]
If those are the only numbers that are given the most logical answer would be 12 since 52-32=20 and 32-20=12
6 0
3 years ago
simplify the expression below. Express the simplified expression in standard form (12s^4-6s^2+4s)+(6s^4-4s+27)-(4s^4+s^2+12)
joja [24]
<h3>Answer:   14s^4 - 7s^2 + 15</h3>

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

Work Shown:

(12s^4-6s^2+4s)+(6s^4-4s+27)-(4s^4+s^2+12)

12s^4-6s^2+4s+6s^4-4s+27-4s^4-s^2-12

(12s^4+6s^4-4s^4)+(-6s^2-s^2)+(4s-4s)+(27-12)

14s^4-7s^2+0s+15

14s^4-7s^2+15

Note: don't forget to distribute the negative to every term in the last parenthesis

3 0
3 years ago
Write an equation in standard form of an ellipse that has a vertex at (0, 6), a co-vertex at (1, 0), and a center at the origin.
Alekssandra [29.7K]

Answer:

The standard form of the equation of the ellipse is x² + y²/36 = 1

Step-by-step explanation:

* Lets revise the standard equation of the ellipse

- The standard form of the equation of an ellipse with  

 center (0 , 0) is  x²/b² + y²/a² = 1

where,

* the length of the major axis is 2a

* the coordinates of the vertices are (0 , ±a)

* the length of the minor axis is 2b

* the coordinates of the co-vertices are (±b , 0)

*  the coordinates of the foci are (0 , ± c),  where c² = a² - b²

* Now lets solve the problem

∵ The vertex of the ellipse is (0 , 6)

∴ a = 6

∵ The co-vertex is (1 , 0)

∴ b = 1

∵ the center is the origin (0 , 0)

∵ The standard form equation is x²/b² + y²/a² = 1

∴ x²/(1)² + y²/(6)² = 1 ⇒ simplify

∴ x² + y²/36 = 1

* The standard form of the equation of the ellipse is x² + y²/36 = 1

4 0
2 years ago
Eight hundred and five thousandths in decimal form?
iragen [17]

0.135 (the zero, while not required, is the usual form)

8 0
3 years ago
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