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3 years ago

EXPLAIN 33/50 as a decimal

2 answers:

8 0

The explanation for a decimal is that you are looking at a piece of a number. This "piece" can be shown in different ways including fractions, percents, and decimals. Each of these ways of showing the "piece" has the same value as the other ways, it's just presented differently. So when we give 33/50 as a decimal we just have to convert it from one form to the other and there are different ways to do that. The easiest way to explain it would be to take the fraction literally... the fraction 33/50 literally reads 33 divided by 50 (the line separating the numerator and denominator means divided by). So if we do the division problem, the quotient will equal the decimal form.

33 divided by 50 = 0.66

0.66 is the value of 33/50 as a decimal

jok3333 [9.3K]3 years ago

3 0

To convert a fraction to a decimal you have to divide the numerator by the denominator and the answer will be the decimal form.
33/50

33 ÷ 50 = 0.66

33/50 as a decimal is 0.66

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The weekly earnings of students in one age group are normally distributed with a standard deviation of 47 dollars. A researcher

ELEN [110]

Answer:

Option D) 340

Step-by-step explanation:

We are given the following in the question:

Alpha, α = 0.05

Population standard deviation, σ = $47

Margin of error = 5

95% Confidence Interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

$\text{Margin of error} = z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

$5 = 1.96(\dfrac{47}{\sqrt{n}} )\\\\\sqrt{n} = \dfrac{47\times 1.96}{5}\\\\n = 339.443776\\\Rightarrow n \approx 340$

Thus, the correct answer is

Option D) 340

7 0

2 years ago

Find the value of x and y 3х 20 25 18 бу -2 Х= ү=

sweet-ann [11.9K]

Answer: first one =109360044xy−36453348x−2, 2nd,=3037778998,last one,=1968480790

Step-by-step explanation:Evaluate for x=3x,y=6y−2

33x(2025186)(6y−2)−2

=109360044xy−36453348x−2

Evaluate for x=20,y=25

(3)(20)(2025186)(25)−2

=3037778998

because 18 is by itself i just did Evaluate for x=18,y=18

(3)(18)(2025186)(18)−2

=1968480790

7 0

2 years ago

Help me please..... please

Oksana_A [137]

Answer:

general rule Un=1.8n-21

U100=1.8(100)-21=159

Step-by-step explanation:

a5=a+4d, a5=-12

a10=a+9d, a10=-3

-12=a+4d

-3=a+9d subtract the system of equations

-9=-5d solve for d

d=1.8

substitute d into first equation to find a

-12=a+4(1.8)

a=-19.2

un. = a + (n − 1)d

Un=-19.2+(n-1)(1.8)

Un=1.8n-21

7 0

2 years ago

What is the surface area of a rectangular prism? length : 3 width : 3 height = 5

elixir [45]

Since it is a rectangular prism, the front and back are the same. the sides are the same and the top and bottom are the same. You would find the area of the front and back first. Since they both have the same measurements, you can find the area of one of the faces and multiply by 2.
A=BH
A= 3x5
A=15
15x2=30
So the front and back's area is 30. Now you find the area of both sides. They are both rectangle so the formula is A=BH.
A=BH
A=3x5
A=15
15x2=30
Now you find the area of the top and bottom. It is also a rectangle so you will use the same formula.
A=BH
A=3x3
A=9
9x2=18
Finally, you add all these measurements together adn that is the surface area.
This surface area of this rectangle prism is 78.

4 0

3 years ago

Midpoint is the center point on the line segment True or false?

Mariana [72]

Your Answer should be True

5 0

2 years ago