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stiv31 [10]
3 years ago
8

Help, please the question and thank you

Mathematics
1 answer:
Law Incorporation [45]3 years ago
3 0

Answer:

The scale factor is 1.5.

Step-by-step explanation:

Divide the length of the image, 12, by the length of the preimage, 8, which will give you 1.5

12 ÷ 8 = 1.5

Therefore, the scale factor of the image is 1.5.

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The table shows the length of time in hours ,some children spent watching tv last week
Oksana_A [137]

The histogram of the distribution plotted on the y - axis and the interval for the length of time on the x - axis is attached below.

<h3>How to denote the histogram?</h3>

The first bar denotes the length of time between 0 and 10 having a frequency of 8. The second bar denoted the interval between 10 and 15 with a frequency of 15

The third bar denoted the interval between 15 and 20 with a frequency of 10. The fourth bar denoted the interval between 20 and 30 with a frequency of 11

Therefore, the histogram of the distribution is attached below.

Learn more about histograms on:

brainly.com/question/14421716

#SPJ1

5 0
2 years ago
Solve the system of equations: y= 3x y= x^2 - 4
OLga [1]

Answer:

x=-1\\y=-3\\\\x=4\\y=12

Step-by-step explanation:

Make both equations equal to each other and solve for the variable x:

y=y\\3x=x^2-4\\x^2-3x-4=0\\

Find two numbers that when you add them you get -3 and the product of both numbers be -4. These numbers are 1 and -4. Then:

(x+1)(x-4)=0\\\\x+1=0\\x=-1\\\\x-4=0\\x=4

Substitute these values into one the original equations and solve for y:

y=3(-1)\\y=-3\\\\y=3(4)\\y=12

Therefore, you get that:

x=-1\\y=-3\\\\x=4\\y=12

5 0
3 years ago
Could you give me an example of a linear equation with a variable on both sides of the equal sign? Please don't look one up. You
lisov135 [29]

Answer:

4x + 6 = x

5x + 8 = x

6 0
3 years ago
Read 2 more answers
20 plus -14 explain how you know
Karo-lina-s [1.5K]

Answer:

6

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Three friends went to a book shop the first bought three bros and four pencils for $30.00. The second bought two Bros and five p
skad [1K]

Answer:

total 66$

Step-by-step explanation:

let price of bro s be x and pencil be y

according to Qn

at 1 cond

3x+4=30____(1)

2x+5y=27____(2)

solve botth and get value of each bros and pencil and then at last add,30$,27$,6$,3$

7 0
3 years ago
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