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nekit [7.7K]
3 years ago
8

4.125 A rational ir irrational

Mathematics
2 answers:
WARRIOR [948]3 years ago
6 0
Irrational is the answer
mrs_skeptik [129]3 years ago
5 0
Most likely rational since it ends. Not sure hope it helps
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Answer number 4,6,7,8
Neko [114]

4. 0.15(with a bar on 15)

6. B,D

7. ...haha...refer to the attachment plzz..:P I don't wanna type too much...

12. 1331

13. 2.56

3 0
3 years ago
Suppose individuals with a certain gene have a 0.70 probability of eventually contracting a certain disease. If 100 individuals
Arturiano [62]

Answer:

B(0.7, 100)

Step-by-step explanation:

Probability of contracting a certain disease = 0.70

No of individual randomly selected = 100

Contracting the disease is a positive/success in this case, hence

p = 0.7 and since there are 100 selection, the binomial distribution B(0.7, 100)

Hence, the The random variable describing the number of individuals who will contract the disease is B(0.7, 100) distribution.

And Mean = 0.7 x 100 = 70

6 0
3 years ago
NEED ANSWER
andrew11 [14]

Answer: the height of the helicopter is 22.33 yards

Step-by-step explanation:

The diagram illustrating the scenario is shown in the attached photo. A triangle, ABC is formed.

H represents the height of the helicopter.

x + y = 52

x = 52 - y

We would apply trigonometric ratio.

tan # = opposite side/adjacent side.

Tan 48 = H/x

H = xtan48

H = tan48×(52 - y)

H = 1.1106(52-y)

Also,

Tan 35 = H/y

H = ytan35

H = 0.7002×y

H = 0.7002y

Since H = H, therefore

1.1106(52-y) = 0.7002y

57.7512 - 1.1106y = 0.7002y

0.7002y + 1.1106y = 57.7512

1.8108y = 57.7512

y = 57.7512/1.8108

y = 31.89

Recall,

H = 0.7002y

H = 0.7002 × 31.89 = 22.33 yards

3 0
3 years ago
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.

6 0
3 years ago
Draw a number line from –10 to 10. Put tick marks at each integer. Graph a point with the given coordinate. . . point F, coordin
Aleonysh [2.5K]

 -----(-7)-------(-6)-----(-5)-----(-4)-----(-3)------(-2)------(-1)------0-----(1)----------

C. point -7 is 1 unit to the left of -6

8 0
3 years ago
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