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prisoha [69]
3 years ago
7

A group of 15 people are ordering pizza each person wants 2 slices and each pizza has 3 slices how many pizzas should they order

Mathematics
1 answer:
Anit [1.1K]3 years ago
4 0

Answer:

Step-by-step explanation:

15*2=30

30/2=10

<u>10 pizzas</u> will evenly divide between 15 ppl and give each 2 slices with no extras.

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A phone company charges $25 per month, plus an installation fee of $50. If you have paid the phone company $375, how many months
torisob [31]
The installation fee is a one time thing so you do 375-50. and then you do 325/25 to get 13 so the answer is 13 months
4 0
3 years ago
Read 2 more answers
-10x + 3(8 + 8) = -6(x -4)
Tpy6a [65]
-10x + 48 = -6x+24
48 - 24 = -6x + 10x
24 = 4x
x = 24/4
x = 6
7 0
3 years ago
Write an expression to represent: Four less than the product of one and a number xxx
rusak2 [61]

Answer:

xxx-4

Step-by-step explanation:

(1×xxx)-4

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4 0
3 years ago
Read 2 more answers
I have nooooo clue, please help
Aleksandr-060686 [28]

Answer:

case a) x^{2}=3y ----> open up

case b) x^{2}=-10y ----> open down

case c) y^{2}=-2x ----> open left

case d) y^{2}=6x ----> open right

Step-by-step explanation:

we know that

1) The general equation of a vertical parabola is equal to

y=a(x-h)^{2}+k

where

a is a coefficient

(h,k) is the vertex

If a>0 ----> the parabola open upward and the vertex is a minimum

If a<0 ----> the parabola open downward and the vertex is a maximum

2) The general equation of a horizontal parabola is equal to

x=a(y-k)^{2}+h

where

a is a coefficient

(h,k) is the vertex

If a>0 ----> the parabola open to the right

If a<0 ----> the parabola open to the left

Verify each case

case a) we have

x^{2}=3y

so

y=(1/3)x^{2}

a=(1/3)

so

a>0

therefore

The parabola open up

case b) we have

x^{2}=-10y

so

y=-(1/10)x^{2}

a=-(1/10)

a

therefore

The parabola open down

case c) we have

y^{2}=-2x

so

x=-(1/2)y^{2}

a=-(1/2)

a

therefore

The parabola open to the left

case d) we have

y^{2}=6x

so

x=(1/6)y^{2}

a=(1/6)

a>0

therefore

The parabola open to the right

3 0
3 years ago
. CDEF is a trapezium
guajiro [1.7K]

9514 1404 393

Answer:

  24 cm²

Step-by-step explanation:

To find the area of the trapezium, we must know the length CD. That means we must know the length BC. Fortunately, the perimeter of ABCF is given, so we have ...

  P = 2(AB +BC)

  BC = (P/2) -AB = (20 cm)/2 - 6 cm = 4 cm

Then CD is ...

  CD = BD -BC = 9 cm -4 cm = 5 cm

The area of the trapezium is given by the formula ...

  A = (1/2)(b1 +b2)h

  A = (1/2)(5 cm + 3 cm)(6 cm) = 24 cm²

The area of trapezium CDEF is 24 cm².

3 0
3 years ago
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