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3 years ago

Pls help me first get 10 you know

Mathematics

1 answer:

Luba_88 [7]3 years ago

7 0

Option D, 63 cm

Explanation:

The scale of model is of local park is

This means that each dimension of the model is 21 times smaller than the actual park (to be developed in future)

Given -

Depth of the pond centi meter

Depth of the real pond will be 21 times of the depth of the model.

Thus , real pond's depth is equal to

Hence, option D is correct

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mary ann is building a fence around the outer edge of a rectangular garden plot that measures 25 feet by 45 feet. She will set p

Shalnov [3]

Answer:

Step-by-step explanation:

find perimeter (25 + 25 + 45 + 45 = 140)

divide your perimeter by 5 (140 ÷ 5 = 28)

therefore you need 28 fence posts

4 0

3 years ago

Which is the mathematical symbol. HELP ASAP

Darya [45]

Answer:

I would think D

Step-by-step explanation:

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3 years ago

Derek walks along a road which can be modeled by the equation y =2x, where (0,0) represents his starting point. When he reaches

Lady_Fox [76]

Answer:

(35,0)

Step-by-step explanation:

Consider the diagram below, the starting point is given as A and the finish point given as C.

Using similar right-angle triangle, we have that:

$\frac{|AM|}{|BM|}= \frac{|BM|}{|MC|}\\\frac{7}{14}= \frac{14}{x}\\7x=14 X 14\\x=196/7=28$

Therefore to find the point where Derek stops at C, we first determine the distance |AC|

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8 0

3 years ago

Felipe dice que su calculadora no funciona. Para cambiar solo el 9 del 39.200 sumó 1.000 pero obtuvo 40.200. ¿Cómo le explicaría

maksim [4K]

Answer:

Felipe dio un paso incorrecto de acuerdo con el sistema de valor posicional al sumar la suma de 1,000 a 39,200. La manera correcta en que Felipe debe abordar esto se muestra en la explicación a continuación.

Step-by-step explanation:

En el sistema de valor posicional; cada número representa una entidad particular; ya sea unidad, decenas, cientos, mil, diez mil etc. En la pregunta dada, el número 39200 indica que 9 está en el valor posicional de mil, es decir, 9000.

Entonces, si Felipe desea cambiar de 8 a 9, entonces necesita restar 9000-8000 = 1000

Sin embargo; si quiere cambiar 9 a cero; entonces restará 9000 de 9000; pero ya que 9 no funciona; Primero debe restar 8000 y luego restar 1000.

6 0

3 years ago

Explain why a prime number cannot be a square number

KiRa [710]

All square numbers have an odd numberof factors. A prime number by definition has exactly 2 factors - 1 and itself.

5 0

3 years ago