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dezoksy [38]
3 years ago
13

Is a number of television in a household a discrete quantitative or continuous quantitative

Mathematics
1 answer:
mezya [45]3 years ago
7 0

discrete, you cannot have 1.5 televisions

generally the number of X is a discrete variable.

continous = can contain decimal value  (float values)

discrete = no decimal  (integers)

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What is the surface area of the square pyramid represented by the net? Enter your answer in the box. m² An unfolded square base
OlgaM077 [116]

Answer:

The surface area of the square pyramid is 144\ m^{2}

Step-by-step explanation:

we know that

The surface area of the square pyramid is equal to

SA=B+Ph/2

where

B is the area of the base

P is the perimeter of the base

h is the height of the pyramid

<u>Find the area of the base B</u>

B=6^{2}=36\ m^{2}

<u>Find the perimeter of the base P</u>

P=4*6=24\ m

The height is h=9\ m

substitute the values

SA=36+24*9/2=144\ m^{2}

4 0
3 years ago
Solve the formula for the specified variable<br> A=p+prt solve for r
soldi70 [24.7K]

Answer:

Step-by-step explanation:

The first step is to take p on both sides:

A - p = p + p*r*t - p

On the right hand side, cancel p and -p, since p-p=0. The equation will be:

A - p = p*r*t

Then, divide both sides of the equation by p*t:

\frac{A-p}{p*t} = \frac{p*r*t}{p*t}

On the right hand side, p*t can be cancelled:

\frac{A-p}{p*t} = r

8 0
4 years ago
Read 2 more answers
So that you're coming purpose of each circle and find the radius and diameter below the circle
oksano4ka [1.4K]

Answer:

1.

The radius is given, so the radius is = 10

The radius is doubled to be a diameter, so (10 + 10) = 20 is your diameter

And to solve for circumference, your formula is;

C = 2πr

Where 'r' represents the radius, and 'π'(pi) is 22/7 or 3.14.

Plug in your values:-

C = 2πr

C = 2(3.14) x 10

C = 6.28 x 10

C = 62.8, so your circumference is 62.8.

2.

Your radius is half of your diameter, so,

D/2 = R

D = diameter

R = Radius

49/2 = 24.5 is your radius.

Your diameter is given, so the diameter is 49.

Use the formula we applied for circumference in our other problem;

C = 2πr

C = 2(3.14) x 24.5

C = 6.28 x 24.5

C = 153.86, so 153.86 is your circumference.

3 0
2 years ago
Please if ur good at pre calc stop to help with the first question please
vova2212 [387]

Answer:

Step-by-step explanation:

The first thing you ought to do is find out what you are trying to get. Desmos is an ideal program to do that if you don't have a graphing calculator. Just search for Desmos. It is pretty obvious once you get there.  I've enclosed the graph to show you what it looks like.

Notice what happens around 5.  The graph splits because effectively, you are dividing by 0 when you put 5 into the denominator. The question arises why doesn't the same thing happen at 0. It should: There is a discontinuity but it is very tiny. So the domain numbers that you should graph are

-1   0™  1   2   3   4   4.5    4.8   5.3    5.4  6 7

™I wouldn't make 0 a part of this domain.  But you can indicate with a dot where the graph goes.

I haven't filled in the range numbers. That's your job. All you have to do is fill in the table with points. Or you can put them on the graph that I have enclosed just to see where they points belong.

A graph is not to convey accuracy. It is to show the shape of function in question.

5 0
3 years ago
Solve the equation in the interval 0 to 2pi.
galben [10]

Answer:

You don't need to single out \cos \theta to solve this question.  

To solve:

\begin{aligned}3 \cos 4 \theta & = -2\\\\\cos 4 \theta & = -\dfrac{2}{3}\\\\4 \theta & = \cos^{-1}\left( -\dfrac{2}{3\right)}\\\\\implies 4 \theta & =2.30053... \pm 2 \pi n, -2.30053...\pm 2 \pi n\\\\\theta & =\dfrac{2.30053...}{4} \pm \dfrac{\pi n}{2}, -\dfrac{2.30053...}{4}\pm \dfrac{\pi n}{2}\end{aligned}

So for the given interval 0\leq \theta \leq 2 \pi

\implies \theta =0.575, 2.146, 3.717, 5.288, 0.996, 2.566, 4.137, 5.708\:\:(\sf 3 \: d.p.)

(As confirmed by the attached graph)

5 0
2 years ago
Read 2 more answers
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