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kupik [55]
2 years ago
7

Please answer number 15 I’ll give brainliest thanks!

Mathematics
1 answer:
kumpel [21]2 years ago
6 0

Answer:

C

Step-by-step explanation:

i belive it is C because if you look at it your just multiplying by 4 hope this helps!!! :D

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Someone help<br> 50 points + brainlist+ like +thank you<br> line segment measurement
Vika [28.1K]

\\ \bull\leadsto CD=DE

\\ \bull\leadsto 3x-6=2(x+1)

\\ \bull\leadsto 3x-6=2x+2

\\ \bull\leadsto 3x-2x=2+6

\\ \bull\leadsto x=8

Now

  • CD=3(8)-6=24-6=18
5 0
2 years ago
The table below shows the total sales by a computer salesman during a three-year period. year 1. $5,000. year 2. $8,500 year 3.
Anastasy [175]

Answer:

3000

Step-by-step explanation:

1312.50+625+1062.5=3000

5 0
3 years ago
f(x)=x^2; vertical shrink by a factor of 1/2 and a reflection in the y-axis, followed by a translation 1 unit down​
NeX [460]

The image of the function f(x) after vertical shrink by a factor of 1/2

and a reflection in the y-axis, followed by a translation 1 unit down​

is g(x) = \frac{1}{2} x² - 1

Step-by-step explanation:

Lets revise:

1. The vertical shrink

A vertical shrinking is the squeezing of the graph toward the x-axis.

if 0 < k < 1 (a fraction), the graph of y = k•f(x) is the graph of f(x) vertically

shrunk by multiplying each of its y-coordinates by k

2. The reflection

If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x)

3. Vertical translation

If the function f(x) translated vertically up  by m units, then its image

is g(x) = f(x) + m

If the function f(x) translated vertically down  by m units, then its image

is g(x) = f(x) - m

Now let us solve the problem

∵ f(x) = x²

∵ f(x) shrunk by a factor of \frac{1}{2}

∴ The image of f(x) = \frac{1}{2} x²

∵ The image of f(x) reflected across y-axis

∴ The sign of x will change

∴ The new image of f(x) = \frac{1}{2} (-x)²

∵ The new image of f(x) translated 1 unit down

∴ We will subtract the new image of f(x) by 1

∴ The last image of f(x) is g(x) = \frac{1}{2} (-x)² - 1

<em>V.I.Note:</em>

(-x)² = x² because even exponents reject the negative sign

The image of the function f(x) after vertical shrink by a factor of 1/2

and a reflection in the y-axis, followed by a translation 1 unit down​

is g(x) = \frac{1}{2} x² - 1

The attached graph for more understand

Learn more:

you can learn more about transformation in brainly.com/question/2415963

#LearnwithBrainly

4 0
3 years ago
What is 1/4 - [-3/8] =
WINSTONCH [101]

\frac{1}{4}  -  \frac{ - 3}{8}  =  \frac{5}{8}
5/8 cross multiply on the top then multiply the denominator you get 20/32 reduce that it's 5/8
6 0
3 years ago
Read 2 more answers
Brainliest plz helpppppp<br> 4.5-3(x+2.7)=7(8.1-4x)
Fofino [41]
X=2.412 is the correct answer
8 0
3 years ago
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