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kumpel [21]
4 years ago
11

What set of transformations could be applied to rectangle ABCD to create A'B'C'D'? Reflected over the x-axis and reflected over

the y-axis Reflected over the y-axis and rotated 180° Reflected over the x-axis and rotated 90° counterclockwise Reflected over the y-axis and rotated 90° counterclockwise

Mathematics
1 answer:
noname [10]4 years ago
4 0
<u>Answer</u>
<span>Reflected over the x-axis and reflected over the y-axis.

<u>Explanation.</u>
When the rectangle ABCD is reflected along the x-axis, the images of ABCD will be A''(-4,-2), B''(-4,-1), C''(-1,-1) and D''(-1,-2). 
When the rectangle A'', B'', C'' and D'' is reflected on the y-axis, it will exactly map on to A'B'C'D'. 

So, the correct answer from the choices is "</span><span>Reflected over the x-axis and reflected over the y-axis". </span><span> 
</span>
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The 6th grade science teacher gives a test every 12 days and the math teacher gives a test every 9 days. Today, both the science
Y_Kistochka [10]

In 36 days will the science and math teachers both give tests on the same day again.

<u>Step-by-step explanation:</u>

Here we have , The 6th grade science teacher gives a test every 12 days and the math teacher gives a test every 9 days. Today, both the science and math are giving tests. We need to find In how many days will the science and math teachers both give tests on the same day again . Let's find out:

It's given that  science teacher gives a test every 12 days and the math teacher gives a test every 9 days . In order to find the number of days after which they'll give test at same day  , we will find LCM of 12 & 9 . i.e.

⇒ 12(1)=12\\12(2)=24\\12(3)=36       and  ,

⇒ 9(1)=9\\9(2)=18\\9(3)=27\\9(4)=36

Hence , LCM of 12 and 9 is 36 . Therefore , In 36 days will the science and math teachers both give tests on the same day again.

4 0
4 years ago
Simplify V-16<br> a. -8i <br> b. -4i <br> c. 4i <br> d. 8i
Lena [83]

Answer:

C. 4i

Step-by-step explanation:

√-1 is imaginary number i

Step 1: Write expression

√-16

Step 2: Factor

√-1 · √16

Step 3: Simplify

i · 4

4i

6 0
3 years ago
Solve for me please 4x^2+6x=12
Anit [1.1K]
4x^2+6x=12
16x+6x=12
22x=12
x=12/22 or 0.55

The decimal is rounded to the nearest hundreth
4 0
3 years ago
(05.03) caculate the area of the rectangular pentagon below:
gregori [183]
<span>238.95 is the answer :)))</span>
3 0
3 years ago
SHOW YOUR WORK!!!! marking best answer with brainliest :))
Mila [183]

Answer:

x=11

Step-by-step explanation:

(x-3)/2=(x+1)/3

multiply (x-3)(3) and 2(x+1)

3(x-3)=2(x+1)

3x-9=2x+2

Get the variables on one side and numbers on another

3x-2x=3+9

x=11

3 0
3 years ago
Read 2 more answers
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