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aev [14]
3 years ago
13

Malcolm helps his father carry boxes into the warehouse. He brings in 4 boxes that each contain 18 cell phones. He also brings i

n 3 boxes of headphones. There are 12 sets of headphones in each box.
Which number sentence can be used to find how many more cell phones Malcolm carried in than headphones?

A.
4 × (18 – 12) = p

B.
7 × (18 – 12) = p

C.
(4 × 18) – (3 × 12) = p

D.
(4 – 3) × (18 – 12) = p
Mathematics
2 answers:
kozerog [31]3 years ago
7 0
C. (4 x 18) - (3 x 12) = p
Pavlova-9 [17]3 years ago
6 0
C i think becaue. it says
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Five whole numbers are written in order
xenn [34]

Answer:

The values of x and y is given by the equation 4x-y=20+y.

Step-by-step explanation:

Given : Five whole numbers are written in order  4 6 x y 10 , the mean and median of the five numbers are the same.

To find : The values of x and y ?

Solution :

Observations 4, 6, x, y, 10.

Mean is summation of observation divided by number of observation.

i.e. m=\frac{\sum x_n}{n}

m=\frac{4+6+x+y+10}{5}

m=\frac{20+x+y}{5}

Median is middle term of observations.

Median of odd terms M=\frac{n+1}{2}^{th} term

M=\frac{5+1}{2}^{th}

M=3^{rd} term

M=x

The mean and median of the five numbers are the same.

i.e. \frac{20+x+y}{5}=x

20+x+y=5x

4x-y=20+y

The values of x and y is given by the equation 4x-y=20+y.

5 0
3 years ago
Read 2 more answers
Se realizó una encuesta a 10 niños sobre su preferencia en el sabor del pastel. Fresa 20% chocolate 50% y vainilla 30%. Cuál es
dangina [55]

Answer:

a) ¿Cuál es el sabor favorito de los niños?

Chocolate con 50%

b) ¿Cuál es el sabor que menos les gusta a los niños?

Fresa con 20%

c) ¿Qué número de niños representan el 15%, 35% y 50%?

Tenemos 10 hijos,

Por lo tanto

1) 15% = 1.5

2) 35% = 3.5

3) 50% = = 5

Step-by-step explanation:

Se encuestó a 10 niños sobre su preferencia por el sabor del pastel. Fresa 20%

Chocolate 50%

Vainilla 30%.

a) ¿Cuál es el sabor favorito de los niños?

El sabor favorito de los niños es el sabor con mayor porcentaje = Chocolate con 50%

b) ¿Cuál es el sabor que menos les gusta a los niños?

El sabor que menos les gusta a los niños es el sabor con el menor porcentaje = Fresa con 20%

c) ¿Qué número de niños representan el 15%, 35% y 50%?

Tenemos 10 hijos,

Por lo tanto

1) 15% = 15% × 10 = 1,5

2) 35% = 35% × 10 = 3,5

3) 50% = 50% × 10 = 5

6 0
2 years ago
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Lubov Fominskaja [6]

Answer:

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2 years ago
Find the missing side (to 2dp)
nasty-shy [4]

Answer:

x = 17.74 cm

Step-by-step explanation:

tan 29 = x/32

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x = 17.74 cm

4 0
2 years ago
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A parabola intersects the xxx-axis at x=3x=3x, equals, 3 and x=9x=9x, equals, 9.
vekshin1

Answer:

x^2-12x+27 =0

Step-by-step explanation:

Given a Parabola that intersects the x-axis at x=3 and x=9.

I presume you want to determine the equation of the parabola.

You can use this form:

Given roots of a parabola, the equation of the parabola is derived using the formula:

x^2-($Sum of Roots)x+Product of Roots =0\\Since roots are 3 and 9, the equation becomes:\\x^2-(3+9)x+(3X9) =0\\x^2-12x+27 =0

The equation of the parabola is:

x^2-12x+27 =0

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