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nignag [31]
3 years ago
11

A school wants to buy a chalkboard that measures 3 feet by 4 feet the chalkboard cost $6.14 per square foot. How much will the c

halkboard cost
Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

$49.12

Step-by-step explanation:

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Construct parallelogram PQRS<br>with |PQ|=10cm, |ps|=8cm and<br>&lt;QPS = 120​
IgorC [24]

Find sketch of parallelogram attached

Answer and explanation:

A parallelogram is a quadrilateral which is wider than it is long. A parallelogram has two sides parallel to the other. From the above, we are told the parallelogram PQRS has an angle QPS 120, with sides 10cm and 8cm, we use this to sketch the parallelogram

We find that angle QPS is 120 degrees hence angle RSP is 60 degrees since angle on straight line is 60 degrees from 180-120 in angle QPS and alternate angles are equal. Also opposite angles of a parallelogram are equal

4 0
3 years ago
Sabiendo que lo ancho de un terreno rectangular mide 24.7 m y que su perímetro es de 131.8 m. ¿Cuánto mide cada uno de sus lados
nadya68 [22]

Answer:

El perímetro de un terreno rectangular mide 48 m . Calcula sus dimensiones si el largo es el doble que el ancho.

Respuesta:

De largo mide 16m

De ancho mide 8m

Explicación paso a paso:

Perímetro = número de lados multiplicado por longitud del lado.

Formula: P = 2(a + b)  o    P = 2b + 2h

Donde: P = Rectángulo del perímetro

           a y b = Longitudes de lados

Asignamos las variables:

Largo = 2x

Ancho = x

Utilizamos la formula:

2(x) + 2(2x) = 48

2x + 4x = 48

6x = 48

x = 48/6

x = 8m  (ancho)

2x

2(8)

16m (largo)

Step-by-step explanation:

4 0
3 years ago
Which is the set of all y-values or the outputs?<br> Range<br> Function<br> Relation<br> Domain
alina1380 [7]

Answer:

Step-by-step explanation:

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3 0
4 years ago
Find the surface area of a rectangular prism that has the following dimensions.length: 2 ft width: 14 in. height: 11 in.
Komok [63]
To find the surface area of the rectangular prism the area of all the sides must be found and added together.

The formula for the surface area of a rectangular prism can be expressed as: 2lw + 2lh + 2hw where 
l = length
h = height
w = width

Before plugging in the values in the equation the length of the prism must be converted to inches 
1 ft. = 12 in.
Therefore 2 ft. = 24 in.

By plugging in the values of length, width, and height into the equation 
2(24)(14) + 2(24)(11) + 2(14)(11) = 1508 in.²

8 0
3 years ago
Find the volume of a cylinder with a height of 8cm and a radius of 3cm
kolezko [41]

Answer:

V≈226.19cm³

Step-by-step explanation:

3 0
3 years ago
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