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3 years ago

You can make a fraction that is 1 ½ units long.

Mathematics

1 answer:

aleksandrvk [35]3 years ago

3 0

Answer:

3 pieces that are 1/2 units long,

6 pieces that are 1/4 units long,

or 12 pieces that are 1/8 units long.

Step-by-step explanation:

Multiplying these fractions respectively makes a fraction that is 1 ½ units long

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Vsevolod [243]

Answer:

g(x) = –3(x + 6)2 + 48.

Step-by-step explanation:

The graph of f(x) = x2 is shifted right 6 units. The graph of f(x) = x2 is shifted down 48 units. The graph of f(x) = x2 is reflected over the y-axis.

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3 years ago

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What is 5 ÷ 70 + 15 ?

Tema [17]

Follow PEMDAS.

First divide 5 with 70

5/70 = 0.071 (rounded)

Next, add the number gotten with 15

15 + 0.071 = 15.071

15.071 is your answer

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Answer:

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I've typed up my workings in MS Word and attached them (as it's very difficult to type this in the Brainly equation editor).

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3 years ago

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Paladinen [302]

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Step-by-step explanation:

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Assume that the heights of boys in a high school basketball tournament are normally distributed, with mean 70 inches and standar

Annette [7]

Answer: 20

Step-by-step explanation:

We assume that the heights of boys in a high school basketball tournament are normally distributed.

Given : Mean height of boys : $\mu=70$ inches.

Standard deviation: $\sigma=2.5$ inches.

Let x denotes the heights of boys in a high school basketball tournament .

Then the probability that a boy is taller than 70 inches will be :-

$P(x> 70)=1-P(x\leq70)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{70-70}{2.5})\\\\=1-P(z\leq0)=1-0.5=0.5\ \ \text{[by using z-value table]}$

Now, the expected number of boys in a group of 40 who are taller than 70 inches will be :-

$40\times0.5=20$

Hence, the expected number of boys in a group of 40 who are taller than 70 inches=20

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3 years ago