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stepladder [879]
3 years ago
5

Ashley needs to buy some pencils. Brand A has 20 pencils for $6. Brand B has 40 pencils for $8.50. Based on the unit price, whic

h brand is the better deal
Mathematics
1 answer:
Kruka [31]3 years ago
3 0

Answer:

The answer to your question is Brand B

Step-by-step explanation:

Data

Brand A   amount of 20 pencils     cost $6

Brand B   amount of 40 pencils     cost $8.5

Process

1.- Calculate the unit price of each brand of pencils dividing the cost by the number of pencils

Brand A      6/20 = $0.3

Brand B      8.5/40 = $0.21

2.- Conclusion

Brand B is a better deal because you buy more pencils for a lower price.

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Imagine drawing a figure with the following conditions: A quadrilateral with at least two right angles. Is the figure described
Mrac [35]

Answer:

The figure is NOT unique.

 Imagine the following quadrilaterals:

 Rectangle

 Square

 We know that:

 Both quadrilaterals have at least two right angles.

 However, they are not unique because they depend on the lengths of their sides.

Step-by-step explanation:

To construct a quadrilateral uniquely, five measurements are required.  A quadrilateral can be constructed uniquely if the lengths of its four sides and a diagonal are given or  if the lengths of its three sides and two diagonals are given.

Just given two angles we cannot construct a unique quadrilateral.  There may be an infinite number of quadrilaterals having atleast two right angles

Examples:

All squares with varying sides

All trapezoids with two right angles

All rectangles with different dimensions

and so on.

Answer is

No.

6 0
3 years ago
Read 2 more answers
A student wants to report on the number of meals his friends buy each week. The collected data are below: 4 19 3 3 2 3 2 4 Which
Naddik [55]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
3) Margarita manejó 429 km: 42 en la ciudad y el resto, en la autopista.
12345 [234]

Answer:

Margarita gastó <u>$40.43.</u>

Step-by-step explanation:

Tenemos la siguiente información.

<u>km recorridos por Margarita</u>

42 km - ciudad

387 km - autopista

<u>Rendimiento del carro</u>

1 galon cada 28 km - ciudad

1 galon cada 36 km - autopista

Hacemos el siguiente factor de conversión

<u>Ciudad</u>

42 km \times \frac{1\: galon}{28\: km}=1.5\: galones

<u>Autopista</u>

387 km \times \frac{1\: galon}{36\: km}=10.75\: galones

Ahoa, se sabe que 1 galon cuesta $3.30. Por lo tanto, el costo de viaje será:

Total galones = 1.5 + 10.75 = 12.25 galones

Total costo = 3.30*12.25 = $40.43.

Espero te haya servido!

4 0
2 years ago
What rule will represent the function, (0,0), (1,1), (2,4), (3,9), (4,16)
VARVARA [1.3K]

Answer:

a(n) = (n-1)^2

Step-by-step explanation:

Notice that each of the y-values {0, 1, 4, 9, 16, ... } is a perfect square.  Thus,

the rule is a(n) = (n-1)^2.

Check:  if n = 0, is (n-1)^2 = 0?  yes

             if n = 3, is (3-1)^2 = 4?  yes

5 0
3 years ago
Read 2 more answers
Think about what you know about perimeter and area. Describe hoe to find the perimeter and area of your classroom.
makkiz [27]
You would have to measure the side lengths of the classroom then use the normal formulas to find area and perimeter of a rectangle or square
(A= l•w)
(P=l+l+w+w)
Only use those formulas if the room is a regular rectangle or square.
7 0
3 years ago
Read 2 more answers
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