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ehidna [41]
3 years ago
10

Please help due in 10 minutes

Mathematics
1 answer:
noname [10]3 years ago
6 0
The right answer is 4
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ariana takes a handful of cookies and divides them evenly between her 3 kids. then she grabs one more cookie for each kid. if ea
Virty [35]

Answer:

9 cookies in her original handful

Step-by-step explanation:

3 times 4 equals 12

12-3=9

4 0
2 years ago
What is the answer to number to 13
Bad White [126]
The answer is (28×15)
6 0
3 years ago
Find the vertices and foci of the hyperbola with equation quantity x plus one squared divided by sixteen minus the quantity of y
katrin2010 [14]

Answer:

The vertices are (3 , -5) , (-5 , -5)

The foci are (4 , -5) , (-6 , -5)

Step-by-step explanation:

* Lets study the equation of the hyperbola

- The standard form of the equation of a hyperbola with  

  center (h , k) and transverse axis parallel to the x-axis is

  (x - h)²/a² - (y - k)²/b² = 1

- The length of the transverse axis is 2 a

- The coordinates of the vertices are  (h  ±  a  ,  k)

- The coordinates of the foci are (h ± c , k), where c² = a² + b²

- The distance between the foci is  2c

* Now lets solve the problem

- The equation of the hyperbola is (x + 1)²/16 - (y + 5)²/9 = 1

* From the equation

# a² = 16 ⇒ a = ± 4

# b² = 9 ⇒ b = ± 3

# h = -1

# k = -5

∵ The vertices are (h + a , k) , (h - a , k)

∴ The vertices are (-1 + 4 , -5) , (-1 - 4 , -5)

* The vertices are (3 , -5) , (-5 , -5)

∵ c² = a² + b²

∴ c² = 16 + 9 = 25

∴ c = ± 5

∵ The foci are (h ± c , k)

∴ The foci are (-1 + 5 , -5) , (-1 - 5 , -5)

* The foci are (4 , -5) , (-6 , -5)

4 0
3 years ago
Read 2 more answers
Gabbys age is two times mikhails age.the sum of their ages is 75. What is mikhails age
Tatiana [17]

Answer:

Mikhail's age is 25 years old

Step-by-step explanation:

Let's make an equation: Say Mikhail is x, so Gabby would be 2*x=2x

If the sum of their ages equals 75, then x+2x=75, and x=2x=3x, so 3x=75.

75/3=25

6 0
3 years ago
A pyramid has a square base with sides of length s the height of The pyramid is equal to 1/2 Of the length of a side on the base
DENIUS [597]

Answer:

The correct answer is s³/6

Step-by-step explanation:

<u>Points to remember</u>

Volume of pyramid = (a²h)/3

Where a -  side of base

h - height of pyramid

It is given that, a  pyramid has a square base with sides of length s the height of The pyramid is equal to 1/2 Of the length of a side on the base

<u>To find the formula:-</u>

Here side length a = s and

height h = 1/2(s) = s/2

Volume = (a²h)/3

 = (s² * s/2)/3

 = s³/6

The correct answer is s³/6

3 0
3 years ago
Read 2 more answers
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