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saveliy_v [14]
3 years ago
12

Please help me with this!

Mathematics
1 answer:
earnstyle [38]3 years ago
6 0

Answer:

There are many but one possible answer is a length of 4 and width of 6 for the smaller rectangle; and a length of 12 and width of 18 for the larger rectangle

Explanation:

So we know that two shapes on the same scale as each other also have the same ratio of values!

For example, a rectangle with a length of 3 and a width of 4 would have a ratio of 3:4. This means that a larger rectangle of the same ratio could have a length of 6 and a width of 8.

In this case though, our larger rectangle must have a length <em>and</em> width in the double digits. This would leave us with any number from 10-99!

We can choose any two numbers for the length and width of the smaller rectangle, but know that the size of the larger rectangle depends on the size of the smaller rectangle.

We can use a length of 4 and a width of 6 for the smaller rectangle, but remember that we can use any numbers from 1-10, I just chose this one.

<em>Additionally, just to be more realistic, your width should be larger than your length.</em>

Anyways though, if we use a length of 4 and a width of 6, then the ratio would be this: 3:6. Since ratios are similar to fractions, we can multiply 3/6 by any growth factor to get the larger rectangles values! I chose a growth factor of 3 (again, just to keep things realistic!).

4/6 * 3/3 = 12/18

These values are still proportional, and the outcomes are both double digits! Therefore, this could be one of your answers!

You might be interested in
Find X and QT. The shape is a Rhombus
kompoz [17]

Answer:

See below ~

Step-by-step explanation:

Sides of a rhombus are equal.

⇒ QT = TS

⇒ x² - 4x - 10 = 6x + 14

⇒ x² - 10x - 24 = 0

⇒ x² + 2x - 12x - 24 = 0

⇒ x (x + 2) - 12 (x + 2) = 0

⇒ (x + 2)(x - 12) = 0

⇒ x = -2 or x = 12

Substitute both values and see which gives a positive value for QT :

<u>When x = -2</u> :

  • QT = (-2)² - 4(-2) - 10
  • QT = 4 + 8 - 10
  • QT = 2

<u>When x = 12</u> :

  • QT = (12)² - 4(12) - 10
  • QT = 144 - 48 - 10
  • QT = 86

The 2 possible answers are :

  • x = -2, QT = 2
  • x = 12, QT = 86
8 0
2 years ago
7) Una epidemia mató los 3/7 de las vacas de un granero y de las que le quedaron vendió 1/2. Si todavía le quedaron 24 vacas, ¿C
4vir4ik [10]

Answer:

Habían inicialmente 84 vacas. Murieron 36 vacas. 24 vacas fueron vendidas.

Step-by-step explanation:

Sea x la cantidad inicial de vacas. De acuerdo con el enunciado, murieron tres séptimos de la cantidad inicial y la mitad de ese remanente fue vendida, quedando 24 vacas. Matemáticamente, tenemos las siguientes operaciones:

Cantidad inicial de vacas

x = \frac{24}{\left(1-\frac{3}{7} \right)\cdot \left(1-\frac{1}{2} \right)}

x = 84

Habían inicialmente 84 vacas.

Cantidad de vacas muertas

y = \frac{3}{7}\cdot x

y = 36

Murieron 36 vacas.

Cantidad de vacas vendidas

z = \left(1-\frac{3}{7} \right)\cdot \frac{1}{2}\cdot x

z = 24

24 vacas fueron vendidas.

8 0
3 years ago
If a gallon of milk costs $5.25 now and the price is
adelina 88 [10]

Answer: It will take approximately 21 years.

Step-by-step explanation:

6 percent of 5.25 is 0.315 (5.25 x 0.06 = 0.315)

Then you subtract 5.25 from 12 to calculate the number of years. (12 - 5.25 = 6.75)

Divide 0.315 from 6.75 (6.75 / 0.315 ≈ 21.4)

5 0
3 years ago
The perimeter of a playing field for a certain sport is 242 ft. the field is a​ rectangle, and the length is 47 ft longer than t
Mariulka [41]
242-94 = 148 (length is 47 more than the width, you double the length to get the perimeter, so you double 47 which equals 94)
148/4 = 37 (4 being the 4 sides of the rectangle)

width = 37
length = 84

4 0
3 years ago
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal?
marishachu [46]
The answer is C cause from






10

8 0
3 years ago
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