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3 years ago

Why isn’t ABCD a parallelogram even though it has a pair of parallel side and a pair of congruent sides?

Mathematics

1 answer:

Naya [18.7K]3 years ago

5 0

Answer:

It could be a trapezoid.

Step-by-step explanation:

Parallelograms require two sets of parallel sides that are congruent to each other. Congruency doesn't mean that it's parallel though, it just means the length is the same.

I hope this helped!

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There are 75 students in classes A and B altogether. There are 61 students in classes A and C altogether. The ratio of the numbe

Bezzdna [24]

Answer:

Step-by-step explanation:

A + B=75

A + C = 61

B = 5/3 *C

A+C * 5/3 = 75 then we got the answer

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2 years ago

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A circle has a center at -4,-5 and a radius of sqrt6. what is the equation of the circle

scoundrel [369]

Answer:

Step-by-step explanation:

if (h,k) is the center and r be radius of circle.

Then eq. of circle is (x-h)^2+(y-k)^2=r^2

reqd. eq. of circle is (x+4)²+(y+5)²=(√6)²

or (x+4)²+(y+5)²=6

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3 years ago

Evaluate7.2÷0.38.(Round to the hundredth place as needed.)

polet [3.4K]

Answer:

18.95

Step-by-step explanation:

18.94736842 rounded to its nearest hundredth will be 18.95

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3 years ago

I really need help please

andrew11 [14]

Answer:look at step by step

Step-by-step explanation:how do I post questions and I’ll help you

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3 years ago

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Para festeja su cumpleaños,Nancy compró 15 paquetes de pizzetas. Si cocinó 288 pizzetas, cuántos paquetes completos le quedaron?

Lorico [155]

Answer:

Nancy consumió 12 paquetes de pizzetas y le quedaron 3 paquetes completos.

Step-by-step explanation:

En primer lugar, debemos descomponer el número total de pizzas como una multiplicación de números primos. Al realizar la descomposición factorial tenemos que:

$288 = 2 \times 2 \times 2 \times 2 \times 2 \times 3 \times 3$

Entonces, los familia de divisores de 288 es el siguiente conjunto:

$D_{288} = \{2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144 \}$

Si tanto la cantidad de paquetes de pizzetas y la cantidad cocinada de pizzetas son números enteros y positivos, siendo la última mucho mayor. Entonces, la cantidad de pizzetas debe ser un número entero y la cantidad de paquetes gastados menor a la cantidad de paquetes comprados y el número entero más cercano a esa cantidad. Entonces, concluimos que Nancy se gastó 12 paquetes de pizzetas, quedándole 3 paquetes completos.

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3 years ago