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Fittoniya [83]
2 years ago
9

There are 9 people at a sleepover. Each

Mathematics
2 answers:
PtichkaEL [24]2 years ago
6 0

Answer:

3

Step-by-step explanation:

9 people want 2 so 9*2=18

8*2= 16 not enough

8*3=24 enough

You can't order parts of a pizza and if you get less there won't be enough so if you get three pizzas there will be enough for all 9 people.

Zolol [24]2 years ago
3 0

Answer: 3

9 people, each want 2

SO - 9 x 2 = 18

you have 8 slices in each pizza

2 pizzas = 16 (not enough)

3 pizzas = 24 (everyone get 2)

<u>So 3 pizzas</u>

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Write an equation for “the value of m times the value of n”
NeX [460]

Answer:m(n)

Step-by-step explanation:


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3 years ago
If Carbon Monoxide had a concentration in the air of 0.000518% how many particles out of 331,002,651 would be Carbon Monoxide?
Alex17521 [72]

Answer:

171,459 particles of CO

Step-by-step explanation:

331,002,651×0.000518 = 171459

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Help asap..............
MatroZZZ [7]

The common denominator for 25 and 20 would be 100

25 x 4 = 100

20 x 5 = 100

Rewrite 14/25 as 14 x 4 / 25 x 4 = 56/100

Rewrite 11/20 as 11 x 5 / 20 x 5 = 55/100

14/25 is greater than 11/20

14/25 > 11/20

3 0
3 years ago
A tree trunk is pulled with a force of 3200 pounds by a truck's cable that makes an angle of 25° with the horizontal. What is th
elena-s [515]

Answer:

The vertical component of the force is 1352 pounds.

Step-by-step explanation:

Given that,

Force acting on the tree trunk, F = 3200 pounds

The truck's cable makes an angle of 25 degree with the vertical. We need to find the vertical component of the force. We know that the force is a vector quantity. The vertical component is given by :

F_y=F\sin\theta\\\\F_y=3200\times \sin (25)\\\\F_y=1352.37\ \text{pounds}

F_y=1352\ \text{pounds}

Hence, the vertical component of the force is 1352 pounds.

7 0
2 years ago
Jennifer got a box of chocolates. the box is a right triangular prism shaped box. it is 7 in long. and the triangular base measu
Lera25 [3.4K]

Answer:

A = 68.8 inches^{2}

Step-by-step explanation:

Given : Jennifer got a box of chocolates. the box is a right triangular prism shaped box. it is 7 in long. and the triangular base measure 2in times 3in times 4in.

a = 2

b=3

c=4

To Find : what is the surface area of the box of chocolates?

Solution: The first thing we should know is the area of the triangular base.

 Triangular base area: 

A1 =\sqrt{(s * (s-a) * (s-b) * (s-c)) }

 Where, s is the semi-meter of the triangle:

s =\frac{ (a + b + c) }{ 2}

 a, b, c: sides of the triangle.

 Substituting:

 s = (2 + 3 + 4) /2=4.5

A1 = \sqrt{ (4.5 * (4.5-2) * (4.5-3) * (4.5-4))}

 A1 = 2.90

 Then, you must know the area of each rectangle associated with each side of the triangular base.

 Rectangle area 1: Ar1 = (a) * (l)

                              Ar1 = (2) * (7)

                              Ar1 = 14

 Rectangular area 2:   Ar2 = (b) * (l)

                                    Ar2 = (3) * (7)

                                    Ar2 = 21

 Rectangular area 3:   Ar3 = (a) * (l)

                                    Ar3 = (4) * (7)

                                    Ar3 = 28

 Finally the surface area is: A = Ar1 + Ar2 + Ar3 + 2 * A1

                                             A = (14) + (21) + (28) + 2 * (2.90)

                                            A = 68.8 inches^{2}

 Hence the surface area of the box of chocolates is 

A = 68.8 inches^{2}

6 0
2 years ago
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