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2 years ago

12

Help??? It’s pretty complicated, well for me.

1 answer:

masha68 [24]2 years ago

8 0

Answer:

The first box is 10.2

The second box is 15.

The last box is 76.

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Which sequence of a transformation will result in an image that maps onto itself? A) rotate 180 degrees counterclockwise and the

Firdavs [7]

The <em>correct answer</em> is:

D) reflect over the y axis and then reflect again over the y axis.

Explanation:

Logically, if we reflect a figure across the y-axis and then reflect across the y-axis again, we have undone what we originally did, and the figure is back in its original position.

Algebraically, reflecting across the y-axis maps every point (x, y) to (-x, y). Reflecting this point across the y-axis maps (-x, y) to (x, y); this is our original point.

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3 years ago

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Quadrilateral $abcd$ is a trapezoid with $ab$ parallel to $cd$. we know $ab = 20$ and $cd = 12$. what is the ratio of the area o

alekssr [168]

Draw a diagram to illustrate the problem as shown below.

The area of triangle acb is
A₁ = (1/2)*20*h = 10h

The area of trapezoid abcd is
A₂ = (1/2)*(20+12)*h = 16h

The ratio A₁/A₂ is
A₁/A₂ = (10h)/(16) = 5/8

Answer:
The ratio of triangle acb to the area of trapezoid abcd is 5/8.

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3 years ago

a mountain decends a mountain for 5 hours. On average, she climbs down 500 feet each hour. what is her change in elevation after

pentagon [3]

I 5 hours she will be 2,500 feet down

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3 years ago

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A box is filled with 6 red cards, 8 green cards and 4 blue cards what is the probability that the card is not green that is chos

uysha [10]

Answer:

10/18

=5/9

pls mark as brainliest

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3 years ago

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Dominique needs to solve the system of equations by graphing. Which statement is true about the system? 2 x minus 3 y = 12. Y =

Nutka1998 [239]

Answer:

Option C) The first equation is y= 2/3x-4 when written in slope-intercept form .

Step-by-step explanation:

We have

$2x - 3y = 12 \: > \: first \: equation$

The first equation is in Standard form .

Convert to slope Intercept form .

Isolate the Variable y .

$3y = 2x - 12$

Divide by 3 both sides .

$y = \frac{2}{3} x - 4$

$y = - \frac{3}{5} x + 2 > second \: equation$

The second equation is in slope Intercept form .

Convert to standard form

Multiply by 5 both sides to remove the fraction .

$5y = - 3x + 10$

$3x + 5y = 10$

<h3><u>Verify each statement :- </u></h3>

<h3>• case A) Both equations are in slope-intercept form.</h3>

False

Because only the second equation is in slope -intercept form

<h3>• case B) Neither equation is in slope-intercept form .</h3>

False

Because, the second equation is in slope -intercept form

<h3>• case C) The first equation is y= 2/3x-4 when written in slope-intercept form</h3>

True (see the procedure)

<h3>• case D)The second equation is 3x+5y=10 when written in slope-intercept form.</h3>

False

Because, the second equation is 3x+5y=10 when written in standard form .

<h2>I hope this helps you !! </h2>

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2 years ago

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