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Olenka [21]
3 years ago
15

A parallelogram rotates about its center. At what angle of rotation will the image of the parallelogram coincide with its preima

ge?
a) 30 deg.
b) 90 deg.
c) 180 deg.
d) 270 deg.
e) 315 deg.
Mathematics
2 answers:
zmey [24]3 years ago
8 0
<span>The correct answer is option C. i.e. When a a parallelogram rotates about its center., then taking 180 degrees as the angle of rotation, the image of the parallelogram coincide with its preimage. Thus 180 degree rotation is the answer.</span>
sp2606 [1]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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What is the Compound Inequality that is true for the missing side length? 3cm, 4cm, Xcm
Brrunno [24]

Answer:

x< 3+4\: and\\\left | 3-4 \right |

Step-by-step explanation:

1. Well, when it comes to triangles. Mainly Pythagorean Triple, right triangles whose sides are 3,4,5 or  5,11,12

2. Keeping in mind this a Pythagorean Triple, then x=5

3. Then we can write it as Compound Inequality by combining the Statements for an Inequality of Triangle:

We can write it as

5

Or we can do:

4

and:

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4. Writing in terms of x:

x

3 0
4 years ago
School A has 480 students and 16 classrooms. School B has 192 students and 12 classrooms.
boyakko [2]

Answer:96

Step-by-step explanation:

A; 480/16 = 30 students per classroom

B: 192/12 =16 students per classroom

we need x such that \frac{480-x}{16} = \frac{192+x}{12}

which means

(480-x )* 12 should be equal to (192+x) * 16

5,760 - 12x = 3,072+16x

5,760 - 3,072 = 12x + 16x

2,688 = 28x

x = 96

3 0
3 years ago
Finding Ordered Pairs from an Equation
il63 [147K]

Answer:

In the y=3x-4 section it should be (3,5), (6,14), (5,11)

In the y= (1/2)x + 2 section it should be (4,4) , (2,3)

I hope this works!

Step-by-step explanation:

5 0
3 years ago
16. Solve the equation. ( point)<br> R/4 -1=4<br> O 1.3<br> O 0.8<br> O 12<br> O 20
WARRIOR [948]

Answer:

D. 20

Step-by-step explanation:

Since you are subtracting, you can add 4 and 1. The sum is 5. 20/4 is equal to 5 so R = 20.

3 0
3 years ago
How do you know the number of part to divide a number line from 0 to 1 into when comparing fractions
Katyanochek1 [597]
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3/4 = 6/8
2/8 stays as 2/8

Now you would go to the number line between 0 and 1 and divide it into 8 equal pieces.  3/4 would go over the 6th division and 2/8 would go over the second division. 

That would give you a good visual that 2/8 < 3/4

[        /        /        /        /        /        /        /        ]

0              2/8                               3/4               1
4 0
4 years ago
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