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denis-greek [22]
3 years ago
11

What is the value of the expression (3a-b)/(6(b+a) when a = 4 and b = -2?

Mathematics
1 answer:
Radda [10]3 years ago
6 0

Answer:

5/8 or 0.625

I hope this helped!

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Describe the general properties of rotations. Include a discussion of the properties of rigid transformations ,and line segments
OverLord2011 [107]

Answer:

A rotation is a rigid transformation, sometimes called an isometric transformation, that moves every point of the pre-image through an angle of rotation about the center of rotation to create an image. Rotations preserve size, rotations of 360 map a figure to itself, and lines connecting the center of rotation to the pre-image and the corresponding point on the image have equal length.

Step-by-step explanation:

Here man this is right

3 0
3 years ago
Read 2 more answers
If i^2 = −1 and x = i + 9, which is the result of squaring x?
Anestetic [448]

Answer:

80 + 18i

Step-by-step explanation:

i² = -1

x = i + 9

x² = (i + 9)²

Applying; (a + b)² = a² + 2ab + b² concept,

x² = i² + 18i + 81

We know that i² = -1

So x² = -1 + 18i + 81

x² = 81 - 1 + 18i = 80 + 18i

8 0
2 years ago
Can someone pls help me with this
muminat

Answer:

C f=9

Step-by-step explanation:

isolate f on one side so you subtract 5 from both sides to get 3f=27 and then divide by 3 on each side to get f=9

5 0
2 years ago
Read 2 more answers
Variations problem Help please
Zolol [24]

Answer:

9

Step-by-step explanation:

12-5=7 so...

2+7 = 9

y = 9

6 0
3 years ago
If the sales tax in your city is 11.4%, and an item costs $160 before tax, how much tax would you pay on that item? Round to the
Oksana_A [137]
First we calculate the tax on the item:
11.4%($160) = 11.4(160)/100 = 18.24
hence the tax for the item is $18.24
The total price for the item would be:
160 + 18.24 = 178.24
hence the total price for the item including tax is:
$<span>178.24</span>

7 0
3 years ago
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