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Elena-2011 [213]
4 years ago
13

Choose the expression that is equivalent to both −x/y and x/−y.​

Mathematics
1 answer:
astraxan [27]4 years ago
3 0

Answer:

-x/-y

Step-by-step explanation:

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Which statements are true of all squares? Check all that apply.
Natali [406]
Squares are:
1. Equal on all 4 sides
2. All Have the same angle measure of 90 degrees
8 0
3 years ago
What is the perimeter of this figure <br><br> A. 20m<br><br> B. 21m<br><br> C. 26m<br><br> D. 27m
slega [8]

Answer:

23

Step-by-step explanation:

First subtract 7 and 4.

7-4=3

6-3=3

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7+3+6+3+4

7+3=10

10+6=16

16+3=19

19+4=23

(Ignore the 3 inside the shape)

7 0
3 years ago
Expand<br> (2x - 3)4 <br><br> Can you help me expand this by using the binomial theorem?
saw5 [17]

The value of expanding (2x -3)^4 is 16x^4  + 96x^3  +216x^2 -216x + 81

<h3>How to expand the expression?</h3>

The expression is given as:

(2x -3)^4

Using the binomial expansion, we have:

(2x -3)^4 = ^4C_0 * (2x)^4 * (-3)^0 +^4C_1 * (2x)^3 * (-3)^1 + ^4C_2 * (2x)^2 * (-3)^2 + ^4C_3 * (2x)^1 * (-3)^3 + ^4C_4 * (2x)^0 * (-3)^4

Evaluate the combination factors.

So, we have:

(2x -3)^4 = 1 * (2x)^4 * (-3)^0 + 4 * (2x)^3 * (-3)^1 + 6 * (2x)^2 * (-3)^2 + 4 * (2x)^1 * (-3)^3 + 1 * (2x)^0 * (-3)^4

Evaluate the exponents and the products

(2x -3)^4 = 16x^4  + 96x^3  +216x^2 -216x + 81

Hence, the value of expanding (2x -3)^4 is 16x^4  + 96x^3  +216x^2 -216x + 81

Read more about binomial expansions at:

brainly.com/question/13602562

#SPJ1

8 0
2 years ago
If g is the variable, which mathematical sentence expresses the information below? "The number of gallons of gas in the tank plu
Firdavs [7]
An equation for the sentence would be g + 7 = 12, where g is the unknown number of gallons.
5 0
3 years ago
Read 2 more answers
Please Helppppp☺️☺️☺️☺️☺️
pishuonlain [190]
Hi there!

Since one of the angles in this set of 2 lines is a right angle, we know that every other angle is a right angle because vertical angles are congruent and that because each line has a total of 180 degrees.

Thus, Angle NDA and RDY are both 90 degrees and add up to 180 degrees.

Since the two angles add up to 180, they are supplementary angles.

Also, we should notice that those two angles are across each other. Thus, they are also vertical angles.

Your answers are choices B and C.

Have an awesome day! :)
6 0
3 years ago
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