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Sedaia [141]
3 years ago
12

Six times a number equals 3 times the number, increased by 12. Find the number

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0

Answer:

x=4

Step-by-step explanation:

"A number" can be rewritten as X:

6x=3x+12

1) subtract 3x on both sides:

3x=12

2) divide both sides by 3:

x=4

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a square poster of length 3x is going to have a square painting centered on it. The length of the painting is 2x. the area of th
eduard
One way to solve this is to look at the size of the poster, and then subtract the size of the picture so you have the area that needs to be painted left.

Area of square poster - 3x × 3x = 9x^2
Area of painting - 2x × 2x = 4x^2

9x^2 - 4x^2 = 5x^2

The area is 5x^2
3 0
3 years ago
Julie has a large red apple in her hand that is 4 ft off the ground. A blue bird sees the apple at an
Dafna1 [17]

Answer:

Step-by-step explanation:

so from the silly drawing,  you can see that the triangle is 4 feet off the ground, and that we want to find the Opp side from our angle of 15 °

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

use TOA to find the Opp side of the triangle .. which is labeled X

Tan(15) = X / 15

15* Tan(15) = X

4.019   =   X

so the bird is up 4 feet in the tree.. not very high up, plus the 4 feet that the apple is already off the ground, soo

the tree... to where the bird is, at least, is 8.019 feet..

did this make sense?  :/  

hope the drawing helped  :P

6 0
3 years ago
Use the box plot to explain what you know about the spread of this data set.
slamgirl [31]

Answer:

Below because there is a lot to explain

Step-by-step explanation:

The Minimum of the data set is 20 and the maximum is 75, the median of the data set is 50, and the interquartile range is 30. The data is most likey asymetrical due to the average being median and not mean. Hope this helps :)

8 0
2 years ago
Read 2 more answers
Consider this statement:For every 2 boys,there are 4 girls.Do you agree with the statement? Explain
OverLord2011 [107]
I don't quite understand what you mean but I'll give it a shot

I would say no, I do not agree, because the population of men and women in the world is almost completely equal, so in reality, there are not 2 boys for every 4 girls.
5 0
3 years ago
Find any three rational numbers between 1/4 and 1/2
cluponka [151]

Answer:

12/40, 15/40, 18/40

Step-by-step explanation:

1/4, 1/2 = 1/4, 2/4

Since, Three rational numbers cannot come in between 1/4 and 2/4, we multiply them with 10.

∴ 1/4 × 10 = 10/40

∴ 2/4 × 10 = 20/40

∴ Three rational numbers between 10/40 and 20/40 = 12/40, 15/40, 18/40

(You can add more numbers from between 10/40 and 20/40 if you need)

7 0
3 years ago
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